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Academic literature on the topic 'Brassica juncea'

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Published: 4 June 2021
Last updated: 10 March 2023

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Journal articles on the topic "Brassica juncea"

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Tasleem, Mohd, Mamta Baunthiyal, and Gohar Taj. "Induction of MPK3, MPK6 and MPK4 Mediated Defense Signaling in Response to Alternaria Blight in Transgenic Brassica juncea." Biosciences, Biotechnology Research Asia 14, no. 4 (December 25, 2017): 1469–74. http://dx.doi.org/10.13005/bbra/2593.

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ABSTRACT: Alternaria brassicae causes a highly destructive disease in Brassica juncea (Rapeseed mustard) resulting in significant yield losses. Studies of MAPK machinery components in Arabidopsis thaliana have indicated that MPK3, MPK4, & MPK6 are involved in defense response and provide resistance against various bacterial and fungal pathogens. In this study, we analyzed the expression level of MPK3, MPK4 & MPK6 in overexpressed MPK3 transgenic (BjV5) Brassica juncea at different stages of Alternaria brassicae inoculation.Expression study revealed that MPK3/MPK6 was involved in early defense response and MPK4 in late defense response. These results suggested that BjMPK3 positively regulate SA mediated defense response, which might play an important role in resistance to Alternaria brassicae in Brassica juncea.
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Ashiq, Samina, Simon Edwards, Andrew Watson, Emma Blundell, and Matthew Back. "Antifungal Effect of Brassica Tissues on the Mycotoxigenic Cereal Pathogen Fusarium graminearum." Antibiotics 11, no. 9 (September 15, 2022): 1249. http://dx.doi.org/10.3390/antibiotics11091249.

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Fusarium graminearum is a globally important cereal pathogen, causing head blight in wheat, resulting in yield losses and mycotoxin contamination. Currently, triazole fungicides are used to suppress Fusarium graminearum, however, the declining effectiveness of triazoles and concerns over the safety of pesticides have led to the pursuit of safe alternative crop protection strategies such as biofumigation. In the present study, species belonging to Brassicaceae (Brassica juncea, Raphanus sativus, Eruca sativa) were assessed for their biofumigation potential against F. graminearum and the glucosinolate profile of the brassicas was determined. In Petri dishes, mycelial plugs of Fusarium graminearum were exposed to frozen/defrosted leaf discs of brassicas collected at early-leaf, stem-extension, and early-bud stages. Additionally, F. graminearum inoculum was incubated in soil amended with chopped tissues of brassicas in a closed jar experiment. Glucosinolate analysis of the leaf tissue of brassicas revealed that the total glucosinolate concentration of B. juncea ‘Brons’ increased with advancing growth stage (24.5–51.9 µmol g−1). Brassica juncea leaf discs were effective against mycelial growth, while the sinigrin content in the leaf tissue corresponded to the level of suppression. At the stem-extension and early-bud stages, B. juncea ‘Brons’ showed 87–90% suppression with four leaf discs, and 100% suppression with eight leaf discs. Brassica juncea ‘Caliente Rojo’ leaf discs collected at the stem-extension stage showed 94% inhibition with eight discs. In the closed jar experiment, each brassica species significantly suppressed F. graminearum inoculum by 41–55%. The findings suggest that the brassica species investigated in the present study could be effective in reducing the inoculum of F. graminearum in soil prior to cereal production.
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BANSAL, V. K., G. SÉGUIN-SWARTZ, G. F. W. RAKOW, and G. A. PETRIE. "REACTION OF Brassica SPECIES TO INFECTION BY Alternaria brassicae." Canadian Journal of Plant Science 70, no. 4 (October 1, 1990): 1159–62. http://dx.doi.org/10.4141/cjps90-139.

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Thirty-five cultivars/strains belonging to six Brassica species were evaluated for their reaction to Alternaria brassicae under laboratory conditions. Detached leaves were wounded and inoculated with a spore suspension, and incubated at room temperature for 4 d. Lesion diameter was used as an indicator of resistance. The smallest lesions were observed in B. carinata, followed by, in order of increasing lesion size, B. oleracea, B. napus, B. campestris, B. juncea, and B. nigra. Intraspecific differences for lesion size occurred in B. napus, B. campestris, B. juncea, and B. oleracea.Key words: Brassica, Alternaria brassicae, summer rape, summer turnip rape, mustard
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Gan, Y., S. S. Malhi, S. A. Brandt, and C. L. McDonald. "Assessment of seed shattering resistance and yield loss in five oilseed crops." Canadian Journal of Plant Science 88, no. 1 (January 1, 2008): 267–70. http://dx.doi.org/10.4141/cjps07028.

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Use of appropriate harvest management can minimize the yield loss of crucifer crops due to seed and pod shattering. This study determined the difference among five canola/mustard species in the degree of resistance to seed shattering and yield losses. Sinapis alba yellow mustard AC Base, Brassica juncea canola Amulet, Brassica juncea mustard Cutlass, Brassica rapa canola Hysyn, and Brassica napus canola InVigor 2663 were grown at Star City, Scott and Swift Current, SK, from 2004 to 2006. Seed yield was highest for napus canola (2146 kg ha-1), followed by juncea mustard (1971 kg ha-1) and juncea and rapa canola, while alba mustard (1547 kg ha-1) was the lowest. Straight combining compared with swathing resulted in 13% greater seed yield for juncea canola and juncea mustard, and 7% greater for rapa canola, while napus canola did not show yield difference between the two operation regimes. Under high shattering conditions, juncea mustard shed about 400 pods m-2, significantly greater than the four other species. Rapa canola had the lowest number of shed pods. Juncea mustard and napus canola had largest yield loss (about 7% of the total seed yield) during straight combining, followed by alba mustard (5%), and rapa and juncea canola (< 4%). Selection of shattering resistant species and use of straight combining can minimize seed yield losses in the production of crucifer oilseed crops. Key words: Brassica napus, Brassica rapa, Brassica juncea, Sinapis alba, swathing, straight–combine
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Serdyuk, O. A., V. S. Trubina, and L. A. Gorlova. "Analysis of diseases affecting winter and spring forms of Brassica napus L. and Brassica juncea L. in the central zone of the Krasnodar region." IOP Conference Series: Earth and Environmental Science 937, no. 3 (December 1, 2021): 032114. http://dx.doi.org/10.1088/1755-1315/937/3/032114.

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Abstract The purpose of the research was a comparative evaluation of the disease affection of spring and winter forms of Brassica napus and Brassica juncea on the central zone of the Krasnodar region. Phytosanitary monitoring of diseases was carried out from the seedling stage. In 2011-2020, there were identified the diseases affecting winter and spring crops Brassica napus and Brassica juncea to the same extent: the occurrence frequency of downy mildew and powdery mildew was high, of Alternaria blight – from medium to high, of phytoplasma and bacterial blight – low. Differences are established for Sclerotinia disease, Phoma rot, Fusarium blight, white rust, gray rot. The occurrence frequency of Sclerotinia disease on winter form of Brassica napus and Brassica juncea varied in research years from low to medium, of Phoma rot – from medium to high; on spring forms, these diseases were noted in certain years with the low frequency. Fusarium blight affected only sowings of spring forms of Brassica napus and Brassica juncea with medium and high frequency, except for 2018-2019, when it was low. White rust affected only spring from of Brassica napus, gray rot – only winter forms of Brassica napus and Brassica juncea in certain years with the low frequency.
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Bhatiya, B. S., K. S. Bisht, Pankaj Rautela, and R. P. Awasthi. "Morphological, cultural and pathogenic variability in Alternaria brassicae, the causing agent of black spot of rapeseed and mustard." Journal of Applied and Natural Science 8, no. 2 (June 1, 2016): 840–45. http://dx.doi.org/10.31018/jans.v8i2.882.

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The study on pathogenic diversity of twenty isolates of Alternaria brassicae collected from different locations of Uttarakhand and Central Uttar Pradesh infecting Brassica species (Brassica rapa, Brassica juncea and Eruca sativa) revealed that there was a distinct difference among isolates in terms of mycelial growth, spore length, width, spore beak length and width. The average spore length varied from 21.23μm to 38.13μm with minimum of isolate AUA-19, AUA-43 i.e 21.23μm and maximum of AUA-47 i.e. 38.13μm . The isolates tested on Brassica juncea var.Varuna in green house conditions revealed that all the twenty isolates behaved differently. Among all the isolates, Brassica juncea isolates i.e. AUA-25, AUA-39, AUA-41, AUA-47, AUA-19, AUA-24, AUA-22, AUA-21, AUA-31, AUA-43 and AUA-45 from Uttarakhand, and AUP-29 from Central Uttar Pradesh can be grouped into highly pathogenic with range of Alternaria spot size i.e. 5.03-8.30mm in diameter, while isolate of Eruca sativa i.e. AUA-38 was found least pathogenic with 1.63mm in dia. and eight isolates AUA-18, AUA-20, AUA-23, AUP-28, AUA-32, AUA-33 and AUA-36 were found moderately pathogenic. This study will be useful in developing integrated management strategies of Alternaria leaf spot and breeding programs of oilseed crops (Brassica sp.).
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Tan, Piaopiao, Chaozhen Zeng, Chang Wan, Zhe Liu, Xujie Dong, Jiqing Peng, Haiyan Lin, Mei Li, Zhixiang Liu, and Mingli Yan. "Metabolic Profiles of Brassica juncea Roots in Response to Cadmium Stress." Metabolites 11, no. 6 (June 13, 2021): 383. http://dx.doi.org/10.3390/metabo11060383.

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Brassica juncea has great application potential in phytoremediation of cadmium (Cd)-contaminated soil because of its excellent Cd accumulating and high biomass. In this study, we compared the effects of Cd under 48 h and 7 d stress in roots of Brassica juncea using metabolite profiling. The results showed that many metabolic pathways and metabolites in Brassica juncea roots were altered significantly in response to Cd stress. We found that significant differences in levels of amino acids, organic acids, carbohydrates, lipids, flavonoids, alkaloids, and indoles were induced by Cd stress at different times, which played a pivotal role in the adaptation of Brassica juncea roots to Cd stress. Meanwhile, Brassica juncea roots could resist 48 h Cd stress by regulating the biosynthesis of amino acids, linoleic acid metabolism, aminoacyl-tRNA biosynthesis, glycerophospholipid metabolism, ABC transporters, arginine biosynthesis, valine, leucine and isoleucine biosynthesis, and alpha-linolenic acid metabolism; however, they regulated alpha-linolenic acid metabolism, glycerophospholipid metabolism, ABC transporters, and linoleic acid metabolism to resist 7 d Cd stress. A metabolomic expedition to the response of Brassica juncea to Cd stress will help to comprehend its tolerance and accumulation mechanisms of Cd.
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Kjellström, C. "Comparative growth analysis of Brassica napus and Brassica juncea under Swedish conditions." Canadian Journal of Plant Science 73, no. 3 (July 1, 1993): 795–801. http://dx.doi.org/10.4141/cjps93-102.

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Indian cultivars of Brassica juncea were tested in field experiments at the research farm of the Swedish University of Agricultural Sciences, Uppsala, to determine their agronomic performance under Swedish climatic conditions. In this study, production and development of a B. juncea cultivar of Indian origin and a Swedish B. napus cultivar were compared in a growth analysis during 1987–1990. Plants were harvested at approximately weekly intervals from emergence to maturity, and separated into leaves, stems, pods and seeds. Area indices of leaves, stems and pods were calculated, and dry weight of each plant component was determined. On an average of 4 yr, the total growing period was similar for both cultivars, 107 d or ca. 1030 growing degree days (GDD), with an earlier onset and a shorter duration of flowering for B. juncea. Dry weights of all vegetative plant components, especially stems, reached higher maximum levels in the highly branched B. juncea cultivar than in the B. napus cultivar. By the end of the flowering stage, B. napus had accumulated a significantly higher percentage of final total dry matter than B. juncea. After flowering, the crop growth rate was significantly higher in B. juncea, 0.54 g m−2 GDD−1, than in B. napus. Seed yield level was similar in both species, and in year 1990 ca. 2.2 t ha−1 was harvested. Key words: Brassica juncea, Brassica napus, growth analysis, area index
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Muhammad, Aslam P., Rawal Pinkey, C. Ramesh, and G. Chaitra. "Evaluation of Antidiarrheal properties of ethanol extract of Brassica juncea in experimental animals." Journal of Drug Delivery and Therapeutics 11, no. 2-S (April 15, 2021): 19–23. http://dx.doi.org/10.22270/jddt.v11i2-s.4615.

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Objective: The present study was designed to evaluate the anti-diarrheal potentials of ethanol extract of Brassica juncea in albino rats. Materials and methods: The defatted powder of whole plant of Brassica juncea subjected to extraction using ethanol in soxhlet apparatus. The acute oral toxicity was studied for ethanol extract according to OECD guidelines 425. The antidiarrheal properties of ethanol extracts was assessed against castor oil induced diarrhea, magnesium sulfate induced diarrhea and charcoal passage test in albino wistar rats. Results: The ethanol extract of Brassica juncea has effectively reversed diarrhea. The extract at higher dose 400mg/kg shows significant reduction the number of feces against castor oil induced and MgSO4 induced diarrhea. In charcoal passage test, higher dose of ethanol extract also shown significant reduction in the distance travelled. Conclusion: The result obtained establish the efficiency of ethanol extract of Brassica juncea as antidiarrheal agent Keywords: Brassica juncea, castor oil, magnesium sulphate, charcoal passage test.
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Li, Shi, Sixiu Le, Xin Wang, Jiuyuan Bai, Rui Wang, and Yun Zhao. "Functional Analysis of Organic Acids on Different Oilseed Rape Species in Phytoremediation of Cadmium Pollution." Plants 9, no. 7 (July 13, 2020): 884. http://dx.doi.org/10.3390/plants9070884.

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Cadmium (Cd) pollution in soil is becoming increasingly serious due to anthropogenic activities, which not only poses a threat to the ecological environment, but also causes serious damage to human health via the biological chain. Consequently, special concerns should be paid to develop and combine multiple remediation strategies. In this study, different subspecies of oilseed rape, Brassica campestris, Brassica napus and Brassica juncea were applied, combined with three organic acids, acetic acid, oxalic acid and citric acid, in a simulated Cd-contaminated soil. Various physiological and biochemical indexes were monitored in both plant seedling, growth period and mature stage. The results showed that organic acids significantly promoted the growth of Brassica campestris and Brassica juncea under Cd stress. The photosynthesis and antioxidant enzyme activities in Brassica campestris and Brassica juncea were induced at seedling stage, while that in Brassica napus were suppressed and disturbed. The enrichment of Cd in oilseed rape was also obviously increased. Brassica juncea contained relatively high resistance and Cd content in plant but little Cd in seed. Among the three acids, oxalic acids exhibited the most efficient promoting effect on the accumulation of Cd by oilseed rape. Here, a comprehensive study on the combined effects of oilseed rape and organic acids on Cd contaminated soil showed that Brassica juncea and oxalic acid possessed the best effect on phytoremediation of Cd contaminated soil. Our study provides an optimal way of co-utilizing oilseed rape and organic acid in phytoremediation of Cd contaminated soil.
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Dissertations / Theses on the topic "Brassica juncea"

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Wang, Tongtong. "Resistance to Turnip mosaic virus (TuMV) in Brassica juncea and introgression of resistance from Brassica rapa, Brassica napus and Brassica nigra into Brassica juncea." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/89272/.

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Turnip mosaic virus (TuMV, family Potyviridae, genus Potyvirus) has the widest host range amongst potyviruses. Globally it was said to be the second most important virus infecting field vegetables. Brassica juncea (Oriental mustard, family Brassicaceae), is an amphidiploid plant species with the genome AABB, comprising the genomes of the two diploid species, Brassica rapa (AA) and Brassica nigra (BB). It is widely grown and has various uses including as a leaf, stem, or root vegetable, oilseed crop, forage crop, condiment and biofumigant. Most B. juncea cultivars are very susceptible to TuMV, resulting in severe losses. Research on TuMV resistance and the mapping and identification of natural resistance genes would be very useful in order to speed up breeding resistant crops through marker-assisted selection. Sources of resistance to TuMV have been identified in B. juncea. The specificity of the resistances has been determined. A B. juncea DH line for which there is genomic information has been challenged with TuMV and found to be susceptible. This line has been used as a susceptible parent in crosses with resistant plants derived from different sources to develop segregating populations for mapping the resistance gene(s). Two BC1 populations (222 plants and 205 plants) and one F2 population (159 plants) have been phenotyped and segregation ratios were not significantly different from a Mendelian model based on the action of two recessive genes. Parental lines and selected plants in the two BC1 populations have been analysed by SNPs genotyping using the Illumina Infinium Chip. Genetic linkage maps have been constructed and QTLs have been mapped. Additionally, attempts are being made to identify a dominant TuMV resistance gene present in both Brassica napus and B. rapa. Inter-specific crosses have been made in order to introgress this gene into B. juncea. Resynthesised B. juncea plants possessing this dominant resistance have been produced through embryo rescue and polyploidy induction of F1 plants from crosses between resistant B. rapa and susceptible B. nigra plants. BC2 plants have also been developed by crossing B. rapa and B. napus plants possessing the dominant TuMV resistance with a susceptible B. juncea plant line.
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Deepa, Alex. "Molecular characterization of Brassica juncea 3-Hydroxy-3-methylglutaryl-coenzyme A synthase." Thesis, Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21687547.

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馮景良 and King-leung Fung. "Purification of Brassica juncea chitinase BJCHI1 from transgenic tobacco." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31224374.

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Sproule, Anne Carleton University Dissertation Biology. "Plant regeneration from stem cortex protoplasts of Brassica juncea." Ottawa, 1987.

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Fung, King-leung. "Purification of Brassica juncea chitinase BJCHI1 from transgenic tobacco." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22956347.

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Tousignant, Denise. "Selection response to global change of Brassica juncea (L.) czern." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69693.

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The potential for an adaptive response to global climatic change was evaluated for an annual C$ sb3$ weed, Brassica juncea, by performing a selection on fecundity for eight generations. During the selection, atmospheric carbon dioxide and temperature were gradually increased from current levels (370 $ rm mu L cdot L sp{-1}$ CO$ sb2$, 20$ sp circ$C) to conditions predicted during the next century by climate models (650 $ rm mu L cdot L sp{-1}$ CO$ sb2$, 23.6$ sp circ$C) including heat stress events at 32$ sp circ$C/26$ sp circ$C day/night), At the end of the selection, a reciprocal transplant experiment was conducted to identify genetic differences between control selection lines of plants and those selected under increasing CO$ sb2$ and temperature. I observed a genetic adaptation of early vegetative growth elevated CO$ sb2$ and temperature, which resulted in to 63% more biomass and 11% higher photosynthetic rates. Reproductive biomass, however, was decreased during the selection, mainly due to temperature stress, which disrupted flower development and induced strong maternal effects, counteracting the selection on fecundity.
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Bassegio, Doglas [UNESP]. "Potencial produtivo de acessos de espécies brássicas sob condições tropicais." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/150299.

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O gênero Brassica é a terceira maior fonte de óleo vegetal do mundo, com oleaginosas cultivadas no Hemisfério Norte. No Brasil, apesar do aumento nos últimos anos, a espécie Brassica napus L., não é um cultivo tradicional, devido as limitações de fotoperíodo e altas temperaturas. Outras espécies do gênero, como é o caso da Brassica juncea L. e Brassica rapa L., amplamente cultivadas em zonas de baixa precipitação e fertilidade, podem ser opções de cultivo em áreas marginais de sequeiro em condições tropicais, visto que possuem alto teor de óleo com características propicias para o biodiesel, além de menor sensibilidade ao ambiente. Os objetivos deste trabalho foram caracterizar germoplasma de Brassica juncea L. e Brassica rapa L., avaliar o potencial produtivo e a divergência genética de acessos em Botucatu – SP, Brasil. Os experimentos tiveram início em outono-inverno de 2012, com a avaliação de 424 acessos de Brassica juncea L. e 209 de Brassica rapa L. quanto ao florescimento e produção de sementes. Em outono-inverno de 2015 e 2016 acessos de brássicas e um híbrido comercial da espécie Brassica napus L. foram avaliados, em experimentos em blocos ao acaso com três repetições, em relação aos componentes da produção, à produção grãos e óleo e a divergência genética. Do total de acessos introduzidos e avaliados, apenas 51 (12%) de Brassica juncea L. e 59 (28%) de Brassica rapa L. produziram sementes, devido ao efeito de fotoperiodo. Os componentes da produção variaram entre acessos e espécies, com destaque para precocidade e teor de óleo de acessos da espécie Brassica rapa L.; e o número de síliquas e a produtividade de grãos e óleo de acessos da espécie Brassica juncea L.. A produtividade de grãos e óleo foi em média 15% superior nos acessos de Brassica juncea L. em relação a espécie Brassica rapa L., com destaque para o acesso PI 180266 com 2056 kg ha–1 de grãos e 805 kg ha–1 de óleo. A variabilidade genética entre os acessos de brássicas possibilitou a formação de grupos de acessos para futuros ganhos em melhoramento genético. Conclui-se que os acessos selecionados confirmam a hipótese do potencial produtivo sem efeito de fotoperíodo em condições tropicais, o que demonstra que podem ser opções para cultivo em áreas onde a Brassica napus L. não está bem adaptada.
Brassica is the third largest source of vegetable oil in the world, with oilseeds grown in the Northern Hemisphere. In Brazil, despite the increase in recent years, Brassica napus L., is not a traditional crop due to limitations of photoperiod and high temperatures. Other species of the genus, such as Brassica juncea L. and Brassica rapa L., widely cultivated in low rainfall zones and fertility, may be cultivation options in marginal rainfed areas under tropical conditions, since they have high oil content with characteristics conducive to biodiesel, in addition to lower sensitivity to environment. The objectives of this work were to characterize the germplasm of Brassica juncea L. and Brassica rapa L. and to evaluate the productive potential, as well as the genetic divergence of accesses in Botucatu – SP, Brazil. The experiments started in autumn-winter of 2012, with the evaluation of 424 accessions of Brassica juncea L. and 209 of Brassica rapa L. regarding flowering and seed production. In the autumn-winter of 2015 and 2016, Brassica napus L. and commercial Brassica napus L. were evaluated in randomized blocks with three replicates, in relation to the production components, grain and oil production, and divergence genetic. Of the total number of accesses introduced and evaluated, only 51 (12%) of Brassica juncea L. and 59 (28%) of Brassica rapa L. produced seeds, due to the effect of photoperiod. The components of the production varied between accesses and species, with emphasis on precocity and oil content of Brassica rapa L.; and the growth and number of siliques of the specie Brassica juncea L. The yield of grains and oil was on average 15% higher in the accessions of Brassica juncea L. in relation to the species Brassica rapa L., with emphasis on access PI 180266 with 2056 kg ha–1 of grains and 805 kg ha–1 of oil yield. The genetic variability among the accessions of brassicas allowed the formation of groups of accessions for future gains in genetic improvement. It is concluded that the selected accessions confirm the hypothesis of the productive potential without photoperiod effect in tropical conditions, which demonstrates that they can be options for cultivation in areas where Brassica napus L. is not well adapted.
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Araujo, Sabrina Helena da Cruz. "Tolerância de Brassica juncea ao arsênio e seu potencial para a fitoestabilização de solos contaminados." Universidade Federal de Viçosa, 2011. http://locus.ufv.br/handle/123456789/4327.

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Arsenic is the more dangerous element to human health. Phytoremediation is an important technology to reduce the antropogenic effect in the environmental contamination, but it is necessary a detailed knowledge of tolerance mechanism, which is the goal of this work. We choose Brassica juncea, tolerant plant to several heavy metals, such as cadmium, and a plant of rapid growth. The arsenate was added to nutritive solution at final concentrations of 10, 50, 200 and 500 μM, and data was collected after 6, 10, 13, 14, 15 and 16 days of exposition. Higher the arsenic in the treatment, higher the level found in leaves, stalk and in roots reach the highest level (5457 mg Kg-1). This amount was 26 and 34 times higher than that found in stalk and leaves, respectively. No alteration in phosphorus level was found at any treatment . This absence of phosphate uptake inhibition seems to have a contribution to the tolerance found in this genotype. In contrast, arsenic concentrations equal or higher than 50 μM were associated with increase in sulphur content in roots in parallel with an increase in total phenol content in these organs, while it reduced sulfur levels in leaves. The two highest doses of arsenate led to the appearance of toxicity symptoms in leaves, characterized by marginal chlorosis and purple coloring in the abaxial faces of old leaves. Despite the highest levels of arsenic in roots, no change in root length and dry weight was detected. In shoot however, we observed reduction in leaf area, leng th and fresh weight in plants treated with 200 and 500 mM arsenate. Additionally, only the highest dose has produced a reduction in net photosynthesis (A) and stomatal conductance (gS) by the 13th day. On the 14th day it was possible to observe the reduction of these parameters in plants treated with 200 mM arsenate. Longer periods in the presence of hight doses allowed us to observe that, besides the reduction in stomatal opening, arsenic could also produce biochemical limitation to photosynthesis, which was associated to reduction in electron transport rate (ETR) and in the quantic efficiency of photosystem II [Y(II)], concomitantly with increase in the level of energy loss as heat [Y(NPQ)]. The second higher dose (200 μM) has not altered the A and other fluorescence parameters, by the 13th day and only negligible effects in leaf area and dry mass in parallel to no effect in roots was observed. Altogether these data support that the genotype of Brassica juncea under study is tolerant to arsenic. Despite of accumulation of high levels of arsenic in roots, no oxidative damage was observed, and no effects in root growth was noted. The fact that high levels of arsenic has occurred in roots, with minor effects in growth indicate the great potential of this plant to be used in phytoremediation as a phytostabilizer.
O arsênio é considerado o elemento mais perigoso para a saúde humana. Fitorremediação é uma importante tecnologia para amenizar o efeito antropogênico na contaminação ambiental, mas para o seu sucesso é necessário a compreensão detalhada dos mecanismos de tolerância de metais pesados, objetivo deste trabalho. A espécie escolhida foi a Brassica juncea, tolerante a vários metais, como cádmio e zinco, e que possui um crescimento rápido. O arsênio foi fornecido a solução nutritiva na forma de arsenato de sódio nas concentrações de 10, 50, 200 e 500 μM, sendo coletados dados aos 6, 10, 13, 14, 15 e 16 dias após a exposição. Quanto maiores os níveis de arsênio presentes no tratamento, maiores os níveis encontrados na planta, havendo um acúmulo de até 5457 mg Kg-1 de As nas raízes expostas a 500 μM de arsenato. Esta quantidade foi 26 e 34 vezes superior aquela observada em caules e folhas, respectivamente. Em nenhum dos tratamentos foram observadas alterações na concentração de fósforo. Esta ausência de inibição de acúmulo de fósforo pode significar a presença de um mecanismo de tolerância à toxidez do arsênio neste genótipo. Em contraste, doses de arsênio iguais ou superiores a 50 μM aumentaram os níveis enxofre nas raízes, em paralelo com um aumento no teor de fenóis, ao passo que reduziu os níveis de enxofre na folha. As duas maiores doses de arsenato levaram ao aparecimento de sintomas de toxidez nas folhas, caracterizados por clorose marginal e coloração arroxeada nas faces abaxiais de folhas velhas. Apesar dos altos níveis de arsênio em raízes, não houve redução no comprimento e na massa seca deste órgão. Na parte aérea por outro lado, foi observada a redução na área foliar, comprimento e massa fresca em plantas tratadas com 200 e 500 μM de arsenato. Adicionalmente observou-se que somente a maior dose reduziu a fotossíntese líquida (A) e condutância estomática (gS) até o 13º dia. A partir do 14º dia já foi possível observar a queda destes parâmetros em plantas tratadas com 200 μM de arsenato. Maiores períodos na presença altas doses de arsenato permitiram observar que alem da redução da abertura estomática, há uma limitação bioquímica contribuindo para a redução da fotossíntese. A diminuição em A esteve associada a limitações na etapa fotoquímica onde ocorreu uma redução na taxa linear de transporte de elétrons (ETR) e na eficiência quântica do fotossistema II [Y(II)], concomitante com o aumento da perda da energia luminosa na forma de calor [Y(NPQ)]. A segunda maior dose (200 μM) não provocou redução em A e nos parâmetros fotoquímicos até o 13º dia, com reduções negligíveis na área e massa foliar, com nenhum efeito no crescimento das raízes. Em conjunto, estes resultados permitem evidenciar que o genótipo de Brassica juncea em estudo possui tolerância aos níveis de arsênio. Apesar de acumular níveis altíssimos de arsênio nas raízes, estas plantas não apresentaram dano oxidativo, nem redução na acumulação de massa seca nas raízes. O fato de que altos níveis de As seja acumulado nas raízes, com efeitos reduzidos no seu crescimento, indica o grande potencial desta espécie para o seu uso na fitorremediação como uma espécie fitoestabilizadora.
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Nagegowda, Dinesh A. "Characterization of Brassica juncea HMG-COA synthase 1, an enzyme of mevalonate biosynthesis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B2996202X.

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Campbell, Craig Thomas. "Production of synthetic genotypes of Brassica juncea via somatic and sexual hybridization." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1993. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq23920.pdf.

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Books on the topic "Brassica juncea"

1

Kole, Chittaranjan, and Trilochan Mohapatra, eds. The Brassica juncea Genome. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0.

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Weerakoon, Shyama Ranjani. Mustard (Brassica juncea [L.] Czern & Cross) germplasm in Sri Lanka and its potential uses. [Nugegoda]: The Open University of Sri Lanka, 2010.

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Kole, Chittaranjan, and Trilochan Mohapatra. Brassica Juncea Genome. Springer International Publishing AG, 2022.

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Kapoor, Dhriti. Brassica Juncea: Production, Cultivation and Uses. Nova Science Publishers, Incorporated, 2021.

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Kapoor, Dhriti. Brassica Juncea: Production, Cultivation and Uses. Nova Science Publishers, Incorporated, 2021.

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Thirunavukarasu, Kirithika. Phytoremediation: The Bioremediation Potential of Brassica juncea against Tannery disposal. LAP Lambert Academic Publishing, 2011.

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Zhao, Lei. Transfer of genes conferring resistance to the pathogen Phoma lingam from Brassica juncea to Brassica oleracea by asymmetric somatic hybridization. 1992.

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Nachtrieb, Erik S. RAPD marker identification for confirmation of asymmetric somatic hybrids between Brassica oleracea and B. juncea. 1996.

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Bartos, Suzanne L. C. The effect of sulphate on the establishment of two members of Brassicaceae: Brassica juncea and Arabidopis thaliana. 2000.

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Book chapters on the topic "Brassica juncea"

1

Bährle-Rapp, Marina. "Brassica Juncea Extract." In Springer Lexikon Kosmetik und Körperpflege, 74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_1298.

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Kaur, Rimaljeet, and Anju Sharma. "Metabolomics of Brassica juncea." In The Brassica juncea Genome, 323–35. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_18.

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Pradhan, Akshay K., and Deepak Pental. "Genetics of Brassica juncea." In Genetics and Genomics of the Brassicaceae, 323–45. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7118-0_11.

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Azimova, Shakhnoza S., and Anna I. Glushenkova. "Brassica juncea (L.) Czern." In Lipids, Lipophilic Components and Essential Oils from Plant Sources, 188–90. London: Springer London, 2012. http://dx.doi.org/10.1007/978-0-85729-323-7_630.

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Behn, Helen, and Annaliese S. Mason. "Introgression Breeding in Brassica juncea." In The Brassica juncea Genome, 147–58. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_8.

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Prabhudas, Sudheesh K., Raju Balaji, and Purushothaman Natarajan. "Brassica juncea L.: Chloroplast Genome." In The Brassica juncea Genome, 283–93. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_16.

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Sharma, Hariom Kumar, V. V. Singh, Arun Kumar, H. S. Meena, Pankaj Sharma, and P. K. Rai. "Genepools of Brassica." In The Brassica juncea Genome, 57–72. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_4.

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Paritosh, Kumar, and Deepak Pental. "Brassica juncea Genome Assemblies—Characteristics and Utilization." In The Brassica juncea Genome, 241–55. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_13.

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Gupta, Mehak, and Surinder S. Banga. "Heteroploidy in Brassica juncea: Basics and Applications." In The Brassica juncea Genome, 115–45. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_7.

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Ramkumar, Thakku R., Sagar S. Arya, Divyani D. Kumari, and Sangram K. Lenka. "Brassica juncea Genome Sequencing: Structural and Functional Insights." In The Brassica juncea Genome, 221–40. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91507-0_12.

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Conference papers on the topic "Brassica juncea"

1

Sun, Bo, Xue Xia, Yuxiao Tian, Fen Zhang, and Haoru Tang. "Karyotype analysis of Brassica juncea cv. Hong Kong Bamboo mustard." In INTERNATIONAL CONFERENCE ON FRONTIERS OF BIOLOGICAL SCIENCES AND ENGINEERING (FBSE 2018). Author(s), 2019. http://dx.doi.org/10.1063/1.5085531.

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Sun, Bo, Xue Xia, Yuxiao Tian, Fen Zhang, and Haoru Tang. "Karyotype analysis of Brassica juncea cv. Hong Kong Hakka Mustard." In INTERNATIONAL CONFERENCE ON FRONTIERS OF BIOLOGICAL SCIENCES AND ENGINEERING (FBSE 2018). Author(s), 2019. http://dx.doi.org/10.1063/1.5085538.

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Xie, Fangjie, Shanshan Tan, Jie Li, and Mengyao Li. "Cloning and sequence analysis of BjuCYP1 gene in Brassica juncea." In 2ND INTERNATIONAL CONFERENCE ON FRONTIERS OF BIOLOGICAL SCIENCES AND ENGINEERING (FSBE 2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0000361.

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Sun, Bo, Zhen Jin, Xue Xia, Zejing Liu, Ping Zhou, Chunyan Chen, and Fen Zhang. "Karyotype analysis of Brassica juncea cv. bianhachi big flesh sweet mustard." In INTERNATIONAL CONFERENCE ON FRONTIERS OF BIOLOGICAL SCIENCES AND ENGINEERING (FBSE 2018). Author(s), 2019. http://dx.doi.org/10.1063/1.5085564.

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Sundowo, Andini, Yulia Anita, Faiza Maryani, Sofna D. S. Banjarnahor, and Galuh Widiyarti. "Synthesis of aniline catalyzed by Brassica juncea peroxidase and its antidiabetic activities." In SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems. Author(s), 2018. http://dx.doi.org/10.1063/1.5064324.

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Zhuo Yang and Bowen Li. "Effects of Cd contamination and physiological and biochemical characteristics on Brassica juncea." In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5964483.

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Serdyuk О.А., О. А., V. S. Trubina V.S., and L. A. Gorlova L.A. "Comparative assessment of biometric parameters of seedlings of winter and spring forms of rapeseed and brown mustard." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-34.

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Abstract:
The aim of the study is to carry out a comparative assessment of biometric parameters and a preliminary analysis of the size and rate of initial growth of roots and stems of seedlings of the most common varieties of winter and spring forms of rape (Brassica napus L.) and brown mustard (Brassica juncea L.). The research was carried out at VNIIMK in 2019-2020. in the laboratory. The objects of the study were rape varieties Sarmat (winter) and Tavrion (spring), brown mustard Juna (winter) and Nika (spring). It was found that the length of the stem and root of seedlings of the spring form of rapeseed and brown mustard is 2 times higher than the parameters of seedlings of the winter form due to the physiological characteristics of their seeds.
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Lebedev, V. N., and G. A. Uraev. "ESTIMATION OF EFFECT INOCULATION OF BROWN MUSTARD BACTERIAL PREPARATIONS." In Agrobiotechnology-2021. Publishing house of RGAU - MSHA, 2021. http://dx.doi.org/10.26897/978-5-9675-1855-3-2021-30.

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The article presents the results of field studies to assess the growth and productivity of brown mustard (Brassica juncea (L.) Czern.) variety Nika during inoculation of seeds with associative rhizobacterial preparations on sod-podzolic soil. It has been established that biological products stimulate the growth, development and productivity of plants.
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Zanozina О.А., Zanozina О. А., and A. S. Bushnev A.S. "The effectiveness of mineral fertilizers on the yield of mustard." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-39.

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Excellent honey plant, phytomeliorant, and the owner of a number of other advantages is mustard (Brassica juncea). However, it should be noted that obtaining low yields of its production crops is due to a number of negative factors that need to be studied and further developed improved agricultural techniques that reduce their negative effect. One of the main factors influencing the increase
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Suganthi, R., and S. Avudainayagam. "Biochemical and Physiological response of Brassica juncea and Nephrolepis exaltata in Mercury spiked soil." In 7th GoGreen Summit 2021. Technoarete, 2021. http://dx.doi.org/10.36647/978-93-92106-02-6.8.

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The current study sought to investigate the variations in the physiological functions such as Photosynthetic rate, Stomata conductance, Transpiration rate, Total Chlorophyll and the significant role of enzymatic and non-enzymatic antioxidants in eliminating the Reactive Oxygen Species (ROS) generated in response to varying concentration of mercury viz., 0 , 2.5, 5, 10 and 20 mg kg-1 in Indian mustard (Brassica juncea) and fern (Nephrolepis exaltata). Results revealed a 17.3 and 10.4 per cent reduction in chlorophyll content of Indian Mustard and Boston Fern between the 20 mg kg-1 treated plants and the control suggesting reduction in photosynthetic rate of the plant Albeit these parameters were affected, plants tolerated 20 mg kg-1 without any visual phytotoxicity symptoms. Gaseous parameters were inversely proportional to the mercury concentration whereas oxidative stress indicators and antioxidant enzymes exhibited a positive correlation. An average increase of 38 per cent Proline was observed in both plants. In B.juncea and N.exaltata, Average catalase activity and peroxidase activity ascended from 2.35 to 5.12 min-1 g-1 and 3.26 to 6.80 min-1 g-1, and 0.23 to 1.17 min-1 g-1 and 0.30 to 1.27 min-1 g-1, respectively which assures the phytoremediation potential of these plants in mercury contaminated soils.
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Reports on the topic "Brassica juncea"

1

Amari, Taoufik, Manel Taamalli, and Chedly Abdelly. The Effect of Nickel on Membrane Integrity and Lipid Composition in Mesembryanthemum crystallinum (halophyte) and Brassica juncea. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, September 2020. http://dx.doi.org/10.7546/crabs.2020.09.17.

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