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Letteratura scientifica selezionata sul tema "Lotus corniculatus"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 gennaio 2023

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Articoli di riviste sul tema "Lotus corniculatus"

1

Jones, David A., e Roy Turkington. "Lotus Corniculatus L." Journal of Ecology 74, n. 4 (dicembre 1986): 1185. http://dx.doi.org/10.2307/2260243.

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2

Min, B. R., G. T. Attwood, K. Reilly, W. Sun, J. S. Peters, T. N. Barry e W. C. McNabb. "Lotus corniculatuscondensed tannins decrease in vivo populations of proteolytic bacteria and affect nitrogen metabolism in the rumen of sheep". Canadian Journal of Microbiology 48, n. 10 (1 ottobre 2002): 911–21. http://dx.doi.org/10.1139/w02-087.

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Condensed tannins in forage legumes improve the nutrition of sheep by reducing ruminal degradation of plant protein and increasing crude protein flow to the intestine. However, the effects of condensed tannins in forage legumes on rumen bacterial populations in vivo are poorly understood. The aim of this study was to investigate the specific effects of condensed tannins from Lotus corniculatus on four proteolytic rumen bacteria in sheep during and after transition from a ryegrass (Lolium perenne) white clover (Trifolium repens) diet (i.e., low condensed tannins) to a Lotus corniculatus diet (i.e., higher condensed tannins). The bacterial populations were quantified using a competitive polymerase chain reaction. Lotus corniculatus was fed with or without ruminal infusions of polyethylene glycol (PEG), which binds to and inactivates condensed tannins, enabling the effect of condensed tannins on bacterial populations to be examined. When sheep fed on ryegrass white clover, populations of Clostridium proteoclasticum B316T, Butyrivibrio fibrisolvens C211a, Eubacterium sp. C12b, and Streptococcus bovis B315 were 1.5 × 108, 1.1 × 106, 4.6 × 108, and 7.1 × 106mL1, respectively. When the diet was changed to Lotus corniculatus, the average populations (after 8120 h) of C. proteoclasticum, B. fibrisolvens, Eubacterium sp., and S. bovis decreased (P < 0.001) to 2.4 × 107, 1.1 × 105, 1.1 × 108, and 2.5 × 105mL1, respectively. When PEG was infused into the rumen of sheep fed Lotus corniculatus, the populations of C. proteoclasticum, B. fibrisolvens, Eubacterium sp., and S. bovis were higher (P < 0.010.001) than in sheep fed Lotus corniculatus without the PEG infusion, with average populations (after 8120 h) of 4.9 × 107, 3.8 × 105, 1.9 ×108, and 1.0 ×106, respectively. Sheep fed the Lotus corniculatus diet had lower rumen proteinase activity, ammonia, and soluble nitrogen (P < 0.050.001) than sheep that were fed Lotus corniculatus plus PEG. The Lotus corniculatus diet reduced rumen nitrogen digestibility (P < 0.05) and ammonia pool size and increased the flow of undegraded feed nitrogen to the abomasum. The nitrogen intake, rumen non-ammonia nitrogen pool size, rumen microbial non-ammonia nitrogen pool size, and abomasal microbial non-ammonia nitrogen fluxes were similar both in sheep fed only Lotus corniculatus and in sheep fed Lotus corniculatus plus PEG, but nonmicrobial non-ammonia nitrogen flux to the abomasum was higher (P < 0.01) for the sheep fed only Lotus corniculatus. Although condensed tannins in Lotus corniculatus reduced the populations of some proteolytic bacteria, total ruminal microbial protein and microbial protein outflow to the abomasum were unchanged, suggesting a species-specific effect of condensed tannins on bacteria in the rumen. Key words: condensed, tannin, rumen, bacteria, PCR.

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3

Foo, L. Y., R. Newman, G. Waghorn, W. C. McNabb e M. J. Ulyatt. "Proanthocyanidins from Lotus corniculatus". Phytochemistry 41, n. 2 (febbraio 1996): 617–24. http://dx.doi.org/10.1016/0031-9422(95)00602-8.

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4

Li, Xiao-qiang, Yi-yu Yang, Li-juan Chen, Yan Zhang e Ye-gao Chen. "Compounds from Lotus corniculatus". Chemistry of Natural Compounds 55, n. 4 (luglio 2019): 719–21. http://dx.doi.org/10.1007/s10600-019-02788-3.

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5

Grant, William F., e Ernest Small. "The origin of the Lotus corniculatus (Fabaceae) complex: a synthesis of diverse evidence". Canadian Journal of Botany 74, n. 7 (1 luglio 1996): 975–89. http://dx.doi.org/10.1139/b96-122.

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Lotus corniculatus, birdsfoot trefoil, is a Eurasian perennial legume, popular in temperate climates for pasture or hay and silage production. Its ancestry is controversial. While innumerable studies of L. corniculatus and allied species have been published, comprehensive morphological, geographical, and genetic studies are still needed. Nevertheless, there is sufficient information for a provisional analysis of the origin and relationships of this important economical species. Although sometimes defined to have diploid populations, L. corniculatus essentially appears to be tetraploid. Biochemical and genetic evidence indicates that this species is an allotetraploid. Although about a dozen diploid species have been proposed as ancestral to L. corniculatus, the evidence points strongly to four of these species. Lotus uliginosus uniquely shares a rhizomatous habit, an acyanogenic factor, and a tannin characteristic with L. corniculatus, clearly showing an especially close relationship, and reflecting the possibility that it is one of two direct parental species. Principal candidates for a second parent include Lotus alpinus, Lotus japonicus, and Lotus tenuis. A phenetic analysis presented here accords well with the hypothesis favoured in this paper that L. corniculatus arose as a hybrid of L. tenuis and L. uliginosus. Cytogenetic evidence indicates that L. japonicus is especially closely related to L. corniculatus. Flower colour in the hybrids between L. uliginosus and L. tenuis suggest maternal inheritance and that L. tenuis could have been the female parent. An evolutionary sequence is suggested in which L. uliginosus hybridized with L. tenuis followed by introgression from L. alpinus and L. japonicus. Alternatively, a prototype of L. alpinus, L. japonicus, and L. tenuis could have been the female parent of L. corniculatus, based on evidence from maternal inheritance of flower colour intensity and interactions of Rhizobium strains. Keywords: polyploidy, hybridization, evolution, Lotus species, Fabaceae, birdsfoot trefoil, Lotus corniculatus.

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6

ADU, E. K., T. N. BARRY, P. R. WILSON e P. D. KEMP. "Evaluation of Lotus corniculatus for increasing pre-weaning growth of red and hybrid deer". Journal of Agricultural Science 131, n. 2 (settembre 1998): 197–204. http://dx.doi.org/10.1017/s0021859698005668.

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Lactating red deer (Cervus elaphus) hinds and their calves were rotationally grazed on Lotus corniculatus or perennial ryegrass/white clover pasture at an allowance of 12 kg DM/hind/day during summer 1996 in Palmerston North, New Zealand. Half the hinds suckled pure red deer calves and half suckled hybrid (0·25 elk[ratio ]0·75 red deer) calves. Measurements were made of the diet selected, voluntary feed intake of the hinds and liveweight changes of the hinds and calves.Lotus corniculatus and perennial ryegrass constituted c. 90% of green material in the diet selected on the respective forages. Total nitrogen (N) content and organic matter digestibility (OMD) were higher for Lotus corniculatus than for perennial ryegrass/white clover pasture. Lotus corniculatus contained 21 g condensed tannin (CT)/kg dry matter (DM), whilst pasture contained only traces of CT (1·6 g/kg DM).Hinds grazing Lotus corniculatus tended to have higher voluntary feed intake, and calf liveweight gain (485 v. 399 g/day) and weaning weight (52·6 v. 48·1 kg) were greater than for deer grazing perennial ryegrass/white clover pasture. Hybrid calves grew faster than pure red deer calves (P<0·01), with hybrid calves grazing lotus having very high liveweight gain (c. 520 g/day). Liveweight gain of hinds grazing Lotus corniculatus also tended to be higher (91 v. 20 g/day) than for hinds grazing perennial ryegrass/white clover pasture. CT was bound more strongly during chewing by red deer than had been found in comparable studies with sheep and the nutritional significance of this is discussed. Nutritional reasons for the superior performance of deer grazing Lotus corniculatus are discussed.

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7

Ross, M. D., e W. T. Jones. "The origin of Lotus corniculatus". Theoretical and Applied Genetics 71, n. 2 (dicembre 1985): 284–88. http://dx.doi.org/10.1007/bf00252068.

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8

Змеева (Zmeeva), Ольга (Ol'ga) Николаевна (Nikolaevna), Наталья (Natal'ja) Эдуардовна (Eduardovna) Коломиец (Kolomiets), Наталья (Natal'ja) Юрьевна (Yur'evna) Абрамец (Abramets) e Руслан (Ruslan) Анатольевич (Anatol'evich) Бондарчук (Bondarchuk). "LOTUS CORNICULATUS L. IS A PERSPECTIVE SPECIES OF THE GENUS LOTUS L." chemistry of plant raw material, n. 4 (15 maggio 2017): 5–14. http://dx.doi.org/10.14258/jcprm.2017041779.

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These materials contain an overview of the most significant publications on the hare (Lotus corniculatus L.) – one of the species of the genus Lotus L., widespread in the territory of the Russian Federation, both in the wild and in culture. The prospect of Lotus corniculatus is confirmed by information about its extensive range of information about the use in the folk medicine of many countries, veterinary science, resistance to disease, the ability to grow and give high yields on different types of soils, high fodder value and melliferous value. Chemical composition of wild and cultivated of Lotus corniculatus was studied in detail. The horned lamb is a rich source of biologically active substances: proteins, polysaccharides, alkaloids, steroids, phytoalexins, saponins, tannins, flavonoids, isoflavones, phenolcarbonic acids, derivatives of anthracene, macro - and micronutrients. The diverse chemical composition of the lapwing explains the wide range of its pharmacological activity (antimicrobial, antifungal, anti-inflammatory, antiparasitic, wound-healing, antiproliferative), use in agriculture, folk medicine, veterinary medicine, cosmetology, and also substantiates the perspectivity of the species for further scientific and practical phytochemical and pharmacological research.

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9

Barry, T. N., P. D. Kemp, C. A. Ramirez-Restrepo e N. Lopezvillalobos. "Sheep production and agronomic performance of Lotus corniculatus under dryland farming". NZGA: Research and Practice Series 11 (1 gennaio 2003): 109–15. http://dx.doi.org/10.33584/rps.11.2003.3003.

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Lotus corniculatus (lotus) contains condensed tannins (CT; 25-35 g/kg DM), which reduce the microbial degradation of forage protein in the rumen and increase amino acid absorption from the small intestine. In grazing experiments at Palmerston North during the 1990s, sheep grazing L. corniculatus had superior wool production, body growth and ovulation rates (OR) relative to sheep grazing lucerne (Medicago sativa) or perennial ryegrass (Lolium perenne)/white clover (Tritolium repens) pasture. Polyethylene glycol (PEG) drenching studies showed that action of CT was responsible for a component of the increases in wool growth and OR, but not body growth, and increased milk yield in lactating ewes. The 'Massey lotus' programme moved in 2000 to Riverside farm in the Wairarapa, where L. corniculatus is more agronomically suited, and its integration into dryland farming systems is being studied. We aim to develop systems that increase animal productivity whilst also reducing chemical input, notably of anthelmintic drenches. In two experiments conducted over 12 weeks in spring, ewes and lambs grazing L. corniculatus without pre-lamb drenching had lower faecal egg counts (FEC) and lower dag scores than ewes and lambs grazing pasture. Also, liveweight gain (+44%), weaning weight (+26%) and wool production (+32%) were greater for lambs grazing lotus. Weaned lambs grazing L. corniculatus over 14 weeks in summer grew faster than those grazing pasture (298 cf. 201 g/day) when regularly drenched. Reduction of anthelmintic drenching reduced the growth rates of lambs grazing L. corniculatus, but at 228 g/day this was still much faster than those grazing pasture (187 g/day). Lambs grazing L. corniculatus with restricted anthelmintic grew slightly faster than regularly drenched lambs grazing pasture. In addition, ewes mated on L. corniculatus had greater ovulation rates, lambing % and weaning % (approximately 25%) than ewes mated on pasture. Lamb weaning weight was unaffected by the ewes grazing L. corniculatus during mating, but mortality rate during the period from birth to weaning was lower for lambs that were conceived when their dams were grazing lotus. Annual (dry matter) production under grazing averaged over two years (2000-2001), was 9.5 t/ha for L. corniculatus and 8.6 t/ha for pasture. The percentages of annual production that occurred in spring, summer, autumn and winter were 49, 40, 8 and 4%, respectively, for L. corniculatus and 55, 30, 9 and 6%, respectively, for pasture. L. corniculatus has potential as a specialist feed in dryland farming systems for use during mating to increase subsequent lambing percentage and to increase lamb growth while reducing anthelmintic use. The result is more lambs being drafted at an earlier age. Key words: agronomy, body growth, condensed tannins, dry matter yield, Lotus corniculatus, reproduction, sheep, withdrawing anthelmintic, wool growth

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10

Řepková, J., e J. Hofbauer. "Seed pod shattering in the genus Lotus and its overcoming". Czech Journal of Genetics and Plant Breeding 45, No. 2 (1 luglio 2009): 39–44. http://dx.doi.org/10.17221/26/2009-cjgpb.

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Birdsfoot trefoil (Lotus corniculatus L.) is a perennial species that is known for its outstanding characters as a crucial component of meadow and pasture vegetation and a highly successful fodder crop. However, its cultivation has been limited by the inability to control pod shattering. The anatomic and physiological bases of pod shattering are known and are considered to be controlled by more than one gene. This paper reviews the known causes of pod shattering and potential ways of overcoming pod indehiscence in L. corniculatus. Genetic transformation is possible in the genus Lotus; however, the useful genes determining the seed pod indehiscent character have not been identified yet. The only way of introducing pod indehiscence characters into L. corniculatus is by interspecific hybridization within the genus Lotus; embryo rescue and protoplast cultures are promising. To determine useful genotypes for crosses, investigations of pre- and post-fertilization barriers are necessary. To that end, we present here a convenient procedure for a whole-mount clearing treatment of immature seeds that leaves the cell walls of tissues intact. This is a useful technique for the study of post-fertilization barriers in Lotus.

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Più fonti

Tesi sul tema "Lotus corniculatus"

1

Benedict, Heather. "Chitinase in Lotus corniculatus /". free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418004.

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2

Dalmarco, Juliana Bastos. "Lotus corniculatus L. cv. São Gabriel". Florianópolis, SC, 2009. http://repositorio.ufsc.br/xmlui/handle/123456789/92307.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química.
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Um estudo fitoquímico de L. corniculatus foi realizado e biomonitorado através de bioensaios de atividade antioxidante, antibacteriana e anti-inflamatória. O estudo fitoquimico foi efetivado através de sucessivas cromatografias em coluna de sílica gel e monitoradas por cromatografia em camada delgada, sendo as estruturas elucidadas através de técnicas de IV, RMN de 1H e 13C e COSY. A atividade antioxidante in vitro foi avaliada nos modelos como a capacidade sequestrante DPPH, potencial redutor e peroxidação lipídica. O efeito antibacteriano foi avaliado através do método de microdiluição o qual produz a Concentração Inibitória Mínima e a Concentração Bactericida Mínima. Finalmente, o efeito anti-inflamatório de Lotus corniculatus foi analisado no modelo in vivo da pleurisia induzida pela carragenina em camundongos, que é um modelo de inflamação aguda. Foram isolados três compostos: dois terpenos, o ?-sitosterol e o ácido oleanólico e um flavonóide glicosilado canferitrina. Após realizados os ensaios de atividades biológicas, nossos resultados demonstraram que Lotus corniculatus cv. São Gabriel possui importante propriedade antibacteriana e anti-inflamatória. Estes efeitos podem ser atribuídos aos compostos isolados como o ácido oleanolico, ?-sitosterol e principalmente ao canferitrina o qual demonstrou o melhor efeito farmacológico.

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3

Nualsri, Charassri. "Inheritance of rhizome expression in birdsfoot trefoil (Lotus corniculatus l.) /". free to MU campus, to others for purchase, 1996. http://wwwlib.umi.com/cr/mo/fullcit?p9717176.

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4

Emery, Keith Martin. "Population dynamics of Birdsfoot trefoil in relation to disease and microclimate /". free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9842525.

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5

Janke, Aline. "Seleção de Lotus corniculatus L. tolerante ao alumínio". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/17086.

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A utilização de pastagens capazes de tolerar o alumínio em níveis elevados apresenta-se como uma alternativa viável para contornar um dos principais problemas existentes em áreas de cultivo com solos ácidos. Entre as leguminosas forrageiras, o cornichão (Lotus corniculatus L.) destaca-se pela sua qualidade nutricional e versatilidade de adaptação. Em função disso, esse trabalho foi desenvolvido com o objetivo de selecionar plantas de L. corniculatus tolerantes ao alumínio, bem como analisar a diversidade genética existente entre estes materiais com o auxílio de marcadores moleculares do tipo microssatélites. Foram utilizados três genótipos de cornichão (Draco, São Gabriel e UFRGS) em solução nutritiva, contendo 200µmol/L de cálcio (CaCl2.2H2O), 100 µmol/L de alumínio (AlCl3) e pH controlado em uma faixa de 4,1 - 4,3. Realizaram-se dois ciclos de seleção, sendo as plântulas selecionadas pelo comprimento final das radículas. Posteriormente, testou-se o progresso alcançado pelos ciclos de seleção através de um experimento em solução nutritiva, semelhante ao utilizado nas seleções, com as populações originais e melhoradas, em quatro concentrações de alumínio (0, 50, 100 e 150 µmol/L) (AlCl3). Foram avaliados o comprimento inicial, final e o crescimento das radículas. Após o término do segundo ciclo de seleção, realizou-se a análise da diversidade genética existente entre os genótipos de cornichão estudados. Foram utilizados 18 pares de primers desenvolvidos para Lotus japonicus (Regel) Larsen e Trifolium repens L. As similaridades genéticas, com base no coeficiente de Jaccard, foram utilizadas para fazer o agrupamento dos genótipos pelo método UPGMA, através do programa NTSYS pc 2.1. O número de alelos e o conteúdo de informação de polimorfismo (PIC) também foram calculados para cada loco. A seleção em solução nutritiva mostra-se eficiente na seleção de plântulas de cornichão tolerantes ao alumínio. Os materiais analisados apresentam diferenças em relação a esta característica, destacando-se como o genótipo mais tolerante UFRGS F2, proveniente de dois ciclos de seleção. Os marcadores microssatélites revelam-se adequados para acessar a variabilidade genética entre os genótipos de L. corniculatus.
The use of grasslands capable to tolerate high levels of aluminum is a viable alternative to bypass one of the main problems existing in cultivated areas with acid soils. Among the forage legumes, the birdsfoot trefoil (Lotus corniculatus L.) stands out for its nutritional quality and versatility of adaptation. Given the importance, this work was carried out to select plants of L. corniculatus tolerant to aluminum, and analyze the genetic diversity between these materials with the aid of microsatellite molecular markers. Three genotypes of birdsfoot trefoil were used (Draco, São Gabriel and UFRGS) in nutrient solution containing 200 µmol/L of calcium (CaCl2.2H2O), 100 µmol/L of aluminum (AlCl3) and controlled in a pH range of 4.1 - 4.3. Two selection cycles were made, where the seedlings were selected by the root length. Subsequently, the progress achieved by cycles of selection was tested in an experiment in nutrient solution, similar to that used in the selections, with the original and improved populations, in four concentrations of aluminum (0, 50, 100 and 150 µmol/L) (AlCl3). The initial, final and the growth of the radicle were evaluated. After the end of the second cycle of selection it was carried out the analysis of genetic diversity among genotypes of birdsfoot trefoil studied. Eighteen pairs of primers developed for Lotus japonicus (Regel) Larsen and Trifolium repens L. were used. The genetic similarities based on Jaccard coefficient was used to make the grouping of genotypes by the UPGMA method, using the program NTSYS pc 2.1. The number of alleles and the polymorphism information content (PIC) were calculated for each locus. The selection in nutrient solution was efficient in the selection of seedlings of birdsfoot trefoil tolerant to aluminum. The materials analyzed differ for this characteristic, with the genotype UFRGS F2, being the most tolerant. The microsatellite markers are suitable for accessing the genetic variability among genotypes of L. corniculatus.

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6

Wen, Lian. "Evaluation of the forage quality of interseeding birdsfoot trefoil with tall fescue and grazing steers performance on the pastures /". free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3013043.

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7

Ollerton, J. "Ecology of flowering and fruiting in Lotus corniculatus L". Thesis, Oxford Brookes University, 1993. http://radar.brookes.ac.uk/radar/items/0a08eb77-6970-5ea7-9fe7-372ef1e96b25/1.

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Lotus corniculatus L. (Legtuninosae), is a perennial herb common throughout Britain. Its main pollinators are bumblebees (Bombus spp., Apidae: Hymenoptera). This is a study of the ecological factors which are important to flowering and fruiting in the species, and some of their evolutionary implications. The work was carried out at Wytham Estate, Oxfordshire, U.K., mainly in an ex-arable field (Upper Seeds) and a more established grassland (Lower Seeds Reserve). The literature on self-incompatibility in L. corniculatus is reviewed; there are conflicting reports, but wild material is fundamentally self-incompatible. Plants in Upper Seeds are larger than in Lower Seeds Reserve. Comparative data on soil nutrients in the two sites suggests that the cause is the persistence of phosphorus from inorganic fertiliser. There is a positive, linear relationship between plant size, flower production and fruit production. The species regulates investment in flowers mainly at the level of the whole inflorescence, rather than altering number of flowers per inflorescence. Within individuals, there are no consistent trade-offs between number of fruit per infructescence, numbers of seeds per fruit and seed weight. Weather patterns only partially explain the flowering phenology of L. corniculatus. Timing of first flowering and peak flowering are correlated but are variable between individuals, and between years for the same individuals. They are not correlated with flowering synchrony. An individual's flowering pattern does not consistently affect fruit-set; the overriding determinant of fruit production is plant size. Selection is therefore unlikely to be acting on flowering time in this species. The production of large numbers of self-incompatible flowers does not seem to reduce fruit-set; pollinators do not visit enough flowers per foraging trip (perhaps because nectar production is low) for geitonogamy to become a problem. Seed predation by larvae of a chalcid wasp, a weevil and a moth differs between individual plants, but not consistently so between years. Seed predation is not consistently correlated with plant size, mean flowers per inflorescence, number of seeds per fruit or seed size. There is no evidence for selection acting on these traits through seed predation. Partially predated seeds are often viable, which may have implications for seedling demography. Seed predation and flowering phenology are not defmitively linked, strengthening the argument that flowering time is not adaptive in this species.

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8

Jones, Andrew Thomas. "Alien varieties of Lotus corniculatus L. on new roadside verges". Thesis, University of Hull, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314435.

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9

Pofelis, Shoshana. "The development of sulfonylurea herbicide resistant birdsfoot trefoil (Lotus corniculatus) plants from in vitro selection /". Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60086.

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Abstract (sommario):

Birdsfoot Trefoil (Lotus corniculatus L. cv. Leo), is a perennial forage legume that has difficulty in establishing stands due to slow seedling growth, weed competition and herbicide sensitivity. The development of herbicide resistant cultivars would be of economic importance. Resistant lines were isolated after sequential selection at the callus, shoot and whole plant levels to the sulfonylurea (SU) herbicides Harmony (DPX-M6316, code name for methyl 3- ( ( ((4-methoxy-6-methyl-1,3,5,triazine-2-yl)amino) carbonyl) amino) sulfonyl-2-thiophenecarboxylate), or Classic (DPX-F6025, code name for 2(( (4-chloro-6-methoxypyrimidine-yl)amino carbonyl) aminosulfonyl)benzoic acid ethyl ester. In field and growth chamber tests the Harmony regenerant lines displayed an increased tolerance as compared to control plants from tissue culture, and from seed. Results of the evaluation of callus cultures of regenerated mutant lines signify stability of the resistance. Outcrossed seeds collected from field trials, and tested in vitro for herbicide resistance, indicate that the trait is heritable and that resistance may be due to reduced sensitivity of acetolactate synthase to SU inhibition. It is concluded that herbicide resistant birdsfoot trefoil cultivars can be isolated using in vitro selection.

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10

Raikar, Sanjeev Vencu. "Protoplast fusion of Lolium perenne and Lotus corniculatus for gene introgression". Phd thesis, Lincoln University. Bio-Protection and Ecology Division, 2007. http://theses.lincoln.ac.nz/public/adt-NZLIU20080214.105406/.

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Protoplast fusion of Lolium perenne and Lotus corniculatus for gene introgression by Sanjeev V. Raikar Lolium perenne is one of the most important forage crops globally and in New Zealand. Lotus corniculatus is a dicotyledonous forage that contains valuable traits such as high levels of condensed tannins, increased digestibility, and high nitrogen fixing abilities. However, conventional breeding between these two forage crops is impossible due to their markedly different taxonomic origin. Protoplast fusion (somatic hybridisation) provides an opportunity for gene introgression between these two species. This thesis describes the somatic hybridisation, the regeneration and the molecular analysis of the putative somatic hybrid plants obtained between L. perenne and L. corniculatus. Callus and cell suspensions of different cultivars of L. perenne were established from immature embryos and plants were regenerated from the callus. Of the 10 cultivars screened, cultivars Bronsyn and Canon had the highest percentage of callus induction at 36% each on 5 mg/L 2,4-D. Removal of the palea and lemma which form the seed coat was found to increase callus induction ability of the embryos. Plant regeneration from the callus was achieved when the callus was plated on LS medium supplemented with plant growth regulators at different concentrations. Variable responses to shoot regeneration was observed between the different cultivars with the cv Kingston having the lowest frequency of shoot formation (12%). Different factors affecting the protoplast isolation of L. perenne were investigated. The highest protoplast yield of 10×106 g-1FW was obtained when cell suspensions were used as the tissue source, with enzyme combination A (Cellulase Onozuka RS 2%, Macerozyme R-10 1%, Driselase 0.5%, Pectolyase 0.2%), for 6 h incubation period in 0.6 M mannitol. Development of microcolonies was only achieved when protoplasts were plated on nitrocellulose membrane with a L. perenne feeder layer on PEL medium. All the shoots regenerated from the protoplast-derived calli were albino shoots. The highest protoplast yield (7×106 g-1FW) of L. corniculatus was achieved from cotyledons also with enzyme combination A (Cellulase Onozuka RS 2%, Macerozyme R-10 1%, Driselase 0.5%, Pectolyase 0.2%), for 6 h incubation period in 0.6 M mannitol. The highest plating efficiency for L. corniculatus of 1.57 % was achieved when protoplasts were plated on nitrocellulose membrane with a L. perenne feeder layer on PEL medium. The highest frequency of shoot regeneration (46%) was achieved when calli were plated on LS medium with NAA (0.1 mg/L) and BA (0.1 mg/L). Protoplast fusion between L. perenne and L. corniculatus was performed using the asymmetric somatic hybridisation technique using PEG as the fusogen. L. perenne protoplasts were treated with 0.1 mM IOA for 15 min and L. corniculatus protoplasts were treated with UV at 0.15 J/cm2 for 10 min. Various parameters affecting the fusion percentage were investigated. Successful fusions were obtained when the fusions were conducted on a plastic surface with 35% PEG (3350 MW) for 25 min duration, followed by 100 mM calcium chloride treatment for 25 min. A total of 14 putative fusion colonies were recovered. Shoots were regenerated from 8 fusion colonies. Unexpectedly, the regenerated putative hybrid plants resembled L. corniculatus plants. The flow cytometric profile of the putative somatic hybrids resembled that of L. corniculatus. Molecular analysis using SD-AFLP, SCARs and Lolium specific chloroplast microsatellite markers suggest that the putative somatic hybrids could be L. corniculatus escapes from the asymmetric protoplast fusion process. This thesis details a novel Whole Genome Amplification technique for plants using Strand Displacement Amplification technique.

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Più fonti

Libri sul tema "Lotus corniculatus"

1

Jones, David A. Lotus corniculatus L. Oxford: Blackwell Scientific Publications, 1986.

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2

Sheardown, Jennifer Jayne. The effects of soil nitrogen content on the nodulation of trifolium hybridum and lotus corniculatus when grown on tailings. Sudbury, Ont: Laurentian University, Department of Biology, 2000.

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3

Kehr, Virginia. Die "Ambrosiagalle" als tripartites Interaktionssytem: Macrophomopsis coronillae (Dsem.), Petrak in Gallen von Aspondylia melanpous Kffr., an Lotus corniculatus L. Berlin: J. Cramer, 1999.

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4

Johnson, Dallas William. Determination of the presence of rhizobia residing in Sudbury barren soil capable of effectively nodulating Trifolium hybridum and Lotus corniculatus. Sudbury, Ont: Laurentian University, Department of Biology, 1994.

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5

Gabino García de los Santos. Crossing behavior, RAPD analysis and chlorophyll flourescence in relationship to the geographic adaption of birdsfoot trefoil (Lotus corniculatus L.). 1997.

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6

García-Díaz, Carlos Alberto. Water management effects on birdsfoot trefoil seed production. 1997.

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Capitoli di libri sul tema "Lotus corniculatus"

1

Bährle-Rapp, Marina. "Lotus Corniculatus Extract". In Springer Lexikon Kosmetik und Körperpflege, 330. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_6129.

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2

Swanson, E. B., D. A. Somers e D. T. Tomes. "Birdsfoot Trefoil (Lotus corniculatus L.)". In Biotechnology in Agriculture and Forestry, 323–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74448-8_14.

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3

Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott e R. W. Briddon. "Lotus corniculatus (Bird’s-foot trefoil)". In Encyclopedia of Plant Viruses and Viroids, 1406. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_540.

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4

Tabaeizadeh, Z. "Transformation of Birds-Foot Trefoil (Lotus corniculatus)". In Biotechnology in Agriculture and Forestry, 248–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78037-0_20.

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5

Niizeki, M. "Somaclonal Variation in Lotus corniculatus L. (Birdsfoot Trefoil)". In Biotechnology in Agriculture and Forestry, 146–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61081-3_10.

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6

Belesky, D. P., J. M. Fedders e R. J. Wright. "Short-term bioassay of Lotus corniculatus soil acidity tolerance". In Plant-Soil Interactions at Low pH, 931–38. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3438-5_104.

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7

Niizeki, M., M. Kihara e K. N. Cai. "Somatic Hybridization Between Birdsfoot Trefoil (Lotus corniculatus L.) and Soybean (Glycine max L.)". In Somatic Hybridization in Crop Improvement I, 132–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-57945-5_9.

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8

Niizeki, M. "Somatic Hybridization Between Medicago sativa L. (Alfalfa) and Lotus corniculatus L. (Birdsfoot Trefoil)". In Biotechnology in Agriculture and Forestry, 341–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56758-2_23.

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9

Arcioni, S., D. Mariotti, F. Damiani e M. Pezzotti. "Birdsfoot Trefoil (Lotus corniculatus L.), Crownvetch (Coronilla varia L.) and Sainfoin (Onobrychis viciifolia Scop.)". In Crops II, 548–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73520-2_31.

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10

Robbins, Mark P., Tom R. Carron e Phillip Morris. "Transgenic Lotus Corniculatus: A Model System for Modification and Genetic Manipulation of Condensed Tannin Biosynthesis". In Plant Polyphenols, 111–31. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3476-1_7.

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Atti di convegni sul tema "Lotus corniculatus"

1

Breica Borozan, Aurica, Despina-Maria Bordean, Gabriel Bujanca, Delia Dumbrava e Sorina Popescu. "CONTROL OF PLANTS OF LOTUS CORNICULATUS L. ON AEROBIC AND ANAEROBIC FREE NITROGEN-FIXING BACTERIA". In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/07.

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The free nitrogen fixing bacteria are able to mobilize important soil nutrients, transforming through biological processes the unusable molecular nitrogen into an active form and to improve soil fertility, influence many aspects of plant health and ensure their growth, showing interest for the scientific world and farmers. But, on the other hand, this bacterial segment may be influenced by the edaphic factors and the interconnection with the plants, the growth phase, the physiological state and the root system of the plant, by the root exudates, which demonstrates the importance of the bacterial community monitoring from the area of plants influence throughout the growing periods The aim of this study was to evaluate the influence of the age of the plants used as biofertilizer and soil moisture on the free nitrogen fixing bacterial communities (the genera Azotobacter and Clostridium) associated with the roots of the perennial plants of Lotus corniculatus L. There were two zones of interest, namely the area of influence of the roots of the plants (rhizosphere) but also the more distant area (edaphosphere). For the study of aerobic and anaerobic free nitrogen fixing bacteria soil samples were taken together with adjacent plants of Lotus corniculatus L. The experimental variants were located in the western part of Romania, the plants being cultivated on the same soil type, but on different plots, that were in the I-IV years of culture. The influence of Lotus corniculatus L. plants on the free nitrogen fixing bacteria has been reported in control experimental variants. Isolation and study of this bacterial group from the 8 experimental variants was performed on a specific mineral medium, favorable for the growth of the two bacterial genera. The results were evaluated after 5 and 10 days of incubation. Between the two assesments there were no noticeable differences in the nitrogen fixing bacterial community, except for the stimulatory effect observed in the control vatiant and rhizosphere of the first year culture. The plants influence on aerobic and anaerobic free nitrogen fixing bacteria was obvious in the II and IV years of the Lotus corniculatus L. culture, compared to the 76 control variants and varies substantially depending on the age of the plant. In most analyzed soil samples, both bacterial genera, Azotobacter and Clostridium were present, confirming the known ecological relation of unilateral advantage or passive stimulation of the aerobic bacteria compared to the anaerobic clostridia. Exceptions were the samples from the cultures of the first year (rhizosphere and control), but also the rhizosphere from the culture of the year II, where only anaerobic nitrogen fixing bacteria were detected. Our results suggested that plant-soil interactions exert control over the bacteria being studied.

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2

ECHEVARRIA, ELIZANDRA RODRIGUES, BÁRBARA DE ZORZI, GISELE WESTPHALEN, FABÍOLA DALA NORA, JOÃO CARLOS PINTO OLIVEIRA e GABRIELA SILVEIRA DA ROSA. "CARACTERIZAÇÃO DE SEMENTES DE CORNICHÃO (LOTUS CORNICULATUS L.) E DESENVOLVIMENTO DE SUSPENSÕES PARA RECOBRIMENTO". In XXXVII Congresso Brasileiro de Sistemas Particulados. São Paulo: Editora Edgard Blücher, 2015. http://dx.doi.org/10.5151/enemp2015-tc-636.

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3

Ivanova, Svetlana, e O. Kurdakova. "Results of evaluating the perspective variety of lotus corniculatus in the competitive variety test". In Multifunctional adaptive fodder production23 (71). ru: Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-60-63.

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4

KANAAN, A. F., C. G. FLORES, J. C. P. OLIVEIRA e A. R. F. ALMEIDA. "SECAGEM DE CORNICHÃO (Lotus corniculatus L.) EM LEITO FIXO COM ESCOAMENTO DE AR PARALELO". In XX Congresso Brasileiro de Engenharia Química. São Paulo: Editora Edgard Blücher, 2015. http://dx.doi.org/10.5151/chemeng-cobeq2014-1679-18092-141692.

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5

Zolotarev, Vladimir. "PRIMING AS THE FACTOR OF INCREASE OF EFFICIENCY SEED PRODUCTION OF BIRDSFOOT TREFOIL". In Multifunctional adaptive fodder production. ru: Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-24-72-94-105.

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A characteristic property of legumes is the formation of hard-stone seeds. To use such seeds for sowing, it is necessary to carry out measures to increase their seeding indicators. The article provides an overview of methods of pre-sowing preparation of seeds, priming (Seed Priming). The harvest of Birdsfoot trefoil (Lotus corniculatus L.) can contain up to 90% or more hard-stone seeds. Mechanical priming of hard-stone seeds of Birdsfoot trefoil increases their germination energy and field germination.

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6

KRAMINA, T. E., G. V. DEGTJAREVA, T. H. SAMIGULLIN, M. V. KUTUROVA e D. D. SOKOLOFF. "ON THE EVOLUTION OF THE NORTH LINEAGE OF THE GENUS LOTUS S.L. (LEGUMINOSAE), RELATIONSHIPS BETWEEN LOTUS AND DORYCNIUM, AND THE CLOSEST RELATIVES OF THE LOTUS CORNICULATUS COMPLEX". In 5TH MOSCOW INTERNATIONAL CONFERENCE "MOLECULAR PHYLOGENETICSAND BIODIVERSITY BIOBANKING". TORUS PRESS, 2018. http://dx.doi.org/10.30826/molphy2018-50.

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7

Zolotarev, Vladimir. "Efficiency of fertilizer application on seed stands of birdsfoot trefoil". In Multifunctional adaptive fodder production. ru: Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-25-73-50-58.

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On sod-podzolic medium-loamy soils of the Central Non-Chernozem region of Russia with an average availability of mobile forms of phosphorus and an average close to low potassium content, high efficiency of using potash fertilizer together with phosphorus on birdsfoot trefoil seed crops was established. Effective doses of phosphorus-potassium fertilizers, providing an increase in seed yield in the first year by 42–47% and, according to the aftereffect, in the second year by 17–33%, are the application of P30–60K90–120. Keywords: Birdsfoot trefoil (Lotus corniculatus L.), seed herbage, phosphoric and potash mineral fertilizers, yield, seeds, sowing qualities.

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8

Sujkowska-Rybkowska, Marzena, e Arleta Kochańska-Jeziorska. "Comparative analysis of remodelling of the apoplast in Lotus corniculatus L. symbiotic nodules under trace metal contamination". In The 1st International Electronic Conference on Plant Science. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/iecps2020-08840.

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9

Konushkina, Е. А., e Т. V. Kornievskaya. "Biomorphological and reproductive features of Lotus corniculatus L. and assessment of prospects for its use in seed and feed production". In Botanical Gardens as Centers for Study and Conservation of Phyto-Diversity. TSU Press, 2020. http://dx.doi.org/10.17223/978-5-94621-956-3-2020-35.

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