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Journal articles on the topic 'Xanthosoma spp'

Author: Grafiati

Published: 26 June 2021

Last updated: 10 February 2022

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1

Jiménez, Marilys D. Milián, Osmany Molina Concepción, and Yadelys Figueroa Aguila. "Integrated Characterization of Cuban Germplasm of Cocoyam (Xanthosoma Sagittifolium (L.) Schott)." Journal of Plant Genetics and Crop Research 1, no. 1 (June 18, 2018): 1–18. http://dx.doi.org/10.14302/issn.2641-9467.jgrc-18-2041.

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The present study aims at integrating the characterization studies conducted on the Cuban germplasm collection of Xanthosoma sagittifolium (Araceae) preserved in the Research Institute of Tropical Roots and Tubers Crops (INIVIT). Differentiation of accessions was done by combining qualitative and quantitative descriptors to clarify the relationships between six well-defined groups. The results may be used to establish a core collection for improved management of Xanthosoma spp. germplasm.

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2

CORONELL-TOVAR, Diana Carolina, Rosa Nilda CHÁVEZ-JÁUREGUI, Ángel BOSQUES-VEGA, and Martha Laura LÓPEZ-MORENO. "Characterization of cocoyam (Xanthosoma spp.) corm flour from the Nazareno cultivar." Food Science and Technology 39, no. 2 (June 2019): 349–57. http://dx.doi.org/10.1590/fst.30017.

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3

Anggarwulan, Endang, Widya Mudyantini, and Yuniar Nilawati. "PERTUMBUHAN TIGA JENIS KIMPUL (Xanthosoma spp.) P PADA KETINGGIAN TEMPAT BERBEDA." Agric 27, no. 1 (March 8, 2016): 44. http://dx.doi.org/10.24246/agric.2015.v27.i1.p44-49.

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<p>Indonesian society has a consumption pattern dominated staple grains group. To reduce dependence on other countries for imports of foodstuffs, need to diversification their meal using existing biodiversity. One of the crops that can be developed is the cocoyam (Xanthosoma spp.) potential as a source of carbohydrate. Cocoyam can be grown in the lowland to the mountains with a height of up to 1300 meters above sea level. Therefore it is necessary to find the most appropriate planting site so that plants can grow and develop optimally. This study aimed to determine the growth of three types of new cocoyam at a different altitude variation. This study was conducted in two different regions of altitude, is Tawangmangu (1200 m above sea level) and Klaten (98 m above sea level). Observations using three different types of cocoyam, the tuber white, purple and yellow. Each type grown in both altitude with 10 replications each. The observations were obtained include fresh weight, dry weight, number of leaves, chlorophyll and carotenoid levels were analyzed by unpaired t test and ANOVA test at 95% confidence level. The results of this study indicate that tuber white, purple and yellow tuber are planted in the lowlands (Klaten) and highlands (Tawangmangu) had significant results in the measurement of plant height, fresh weight, dry weight, and chlorophyll and carotenoid levels have significantly different results, but not the parameters of the number of leaves. Height and weight of the fresh plant<br />in Klaten higher than in Tawangmangu, while the white tuber dry weight in Tawangmangu higher than other treatments. The levels of chlorophyll and carotenoid yellow tuber is the highest in Klaten than others.</p>

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4

Safo-Kantanka, O., V. Boateng, and E. B. Chamba. "GROWTH AND DEVELOPMENT OF XANTHOSOMA AND COLOCASIA SPP. UNDER DIFFERENT SPACINGS." Acta Horticulturae, no. 380 (November 1994): 473–77. http://dx.doi.org/10.17660/actahortic.1994.380.73.

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5

Ibezimako Okolo, Bernard, Patrick Chukwudi Nnaji, Matthew Chukwudi Menkiti, Victor Ifeanyi Ugonabo, and Okechukwu Dominic Onukwuli. "Parametric Response Evaluation for Xanthosoma spp. Induced Coag-Flocculation of Brewery Effluent." Green and Sustainable Chemistry 04, no. 01 (2014): 7–14. http://dx.doi.org/10.4236/gsc.2014.41002.

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6

Thorpe, Daniel J., Thomas C. Harrington, and Janice Y. Uchida. "Pathogenicity, Internal Transcribed Spacer-rDNA Variation, and Human Dispersal of Ceratocystis fimbriata on the Family Araceae." Phytopathology® 95, no. 3 (March 2005): 316–23. http://dx.doi.org/10.1094/phyto-95-0316.

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Ceratocystis fimbriata is a complex of many cryptic, host-specialized species that causes wilt and canker of woody species and rot diseases of storage roots and corms of many economically important plants worldwide. With the exception of the family Araceae, all confirmed hosts of C. fimbriata are dicotyledonous plants. We hypothesized that the isolates from members of the family Araceae would form a monophyletic lineage specialized to infect these unique hosts. Analyses of sequences of the internal transcribed spacer (ITS) region of nuclear rDNA indicate that isolates and herbarium specimens of C. fimbriata from the family Araceae represent three different groups: an Xanthosoma/Syngonium group on corms of Xanthosoma spp. from the Caribbean region and on ornamental S. podophyllum from greenhouses in Florida, Hawaii, Australia, and Brazil; an inhame group on corms of Colocasia esculenta in Brazil; and a distantly related taro group on Colocasia esculenta in Hawaii and China and on X. sagittifolium in Fiji. Inoculations of three species of Araceae (Caladium bicolor, S. podophyllum, and Colocasia esculenta) showed that isolates from all three groups are pathogenic to these three hosts. Brazilian isolates from Mangifera indica and Ficus carica were only weakly pathogenic to Caladium and Syngonium sp. and were not pathogenic to Colocasia sp. Syngonium plants appeared to be most susceptible to isolates of the Xanthosoma/Syngonium group, and Colocasia plants were least susceptible to isolates from Syngonium spp. Thus, it appears that adaptations to the family Araceae have evolved more than once in the C. fimbriata complex. It is hypothesized that the three groups of C. fimbriata on the family Araceae are native to the Caribbean, Brazil, and Asia, respectively, but they have been spread elsewhere by humans.

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7

Goenaga, R. "Partitioning of Dry Matter in Tanier (Xanthosoma spp.) Irrigated with Fractions of Evapotranspiration." Annals of Botany 73, no. 3 (March 1994): 257–61. http://dx.doi.org/10.1006/anbo.1994.1030.

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8

Gomes, Vanessa Alves, Fabíola de Jesus Silva, Eunice Maria Baquião, Luana Viana Faria, Júlio César Antunes Ferreira, Marcio Pozzobon Pedroso, Fernando Broetto, and Silvia Renata Siciliano Wilcken. "Xanthosoma sagittifolium is resistant to Meloidogyne spp. and controls Meloidogyne enterolobii by soil biofumigation." Journal of Nematology 52 (2020): 1–12. http://dx.doi.org/10.21307/jofnem-2020-107.

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9

Bertan, Gabriela Aparecida Pereira, Alessandro Henrique Carlotto, Vanessa Gomes Da Silva, Jeislane Camila Sampietro Klack De Brito, Alexandre Giesel, and Amanda Keller Siqueira. "Effect of extracts of luffa cylindrica, xanthosoma sagittifolium and momordica charantia on saprolegnia spp. Mycelial growth." Veterinária e Zootecnia 26 (November 19, 2019): 1–7. http://dx.doi.org/10.35172/rvz.2019.v26.364.

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Among the major infectious diseases in fish, those caused by zoosporic organisms are important, especially saprolegniasis. These diseases can affect few animals or even the entire population of the production environment. The use of alternative treatments for infectious diseases in aquatic animals has proven to be effective. It prevents the mortality of part of the crop, as well as the contamination of water by chemical components. Within this scenario, the use of plants stands out, mainly unconventional food plants (UFPs). The objective of this work was to evaluate the effect of the aqueous extracts of Luffa cylindrica, Xanthosoma sagittifolium and Momordica charantia on the mycelial growth of Saprolegnia spp. The extracts obtained from the maceration of dry and ground leaves were incorporated into the potato agar dextrose (PDA), at concentrations of 0, 5, 15, 25 and 50%. Later, filter paper disks containing the mycelium of Saprolegnia spp. were applied on the agar and incubated at 25°C. Evaluations were performed every 24 hours, for 10 days. In the study, all concentrations of M. charantia extract had an inhibitory action on the mycelial growth in the order of 75% of Saprolegnia spp. and can be considered a promising alternative for controlling this pathogen.

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10

Bikomo, M. R. "INFLUENCE OF VARIETY, MATURITY AT HARVEST, CHLORINATION, AND PACKAGING ON COCOYAM (XANTHOSOMA SPP.) IN STORAGE." Acta Horticulturae, no. 380 (November 1994): 478–82. http://dx.doi.org/10.17660/actahortic.1994.380.74.

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11

Andrade, Ivanilza Moreira de, Simon Joseph Mayo, Maria Francilene Souza Silva, Danilo José Lima de Sousa, Lígia Queiroz Matias, and Thales Alves Ribeiro. "The Araceae in Ceará, Brazil: humid forest plants in a semi-arid region." Rodriguésia 64, no. 3 (September 2013): 445–77. http://dx.doi.org/10.1590/s2175-78602013000300002.

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The study consists of a taxonomic treatment of the Araceae of Ceará, a state lying within Brazil's semi-arid region. The aroid flora shows greater similarity to those of central Brazil and Amazonia than to the Atlantic forest. Most species occur in humid forest fragments - the "florestas serranas". Geophytes are also found in caatinga and dry forest (Taccarum ulei) and lithophytes on rock outcrops in dry forest (Philodendron acutatum). Floating aquatics occur in ponds and lakes throughout the state (Pistia stratiotes, Lemna aequinoctialis, Lemna minuta, Spirodela intermedia, Wolffia columbiana, Wolffiella welwitschii), and freshwater helophytes (Montrichardia linifera) along river margins. 28 taxa (species and varieties) in 19 genera are described and most are illustrated:Anthurium (three spp.), Caladium (one sp.), Dieffenbachia (one sp.), Dracontium (one sp.), Lemna (two spp.), Monstera (two spp., one with two varieties), Montrichardia (one sp.), Philodendron (four spp.), Pistia (one sp.), Scaphispatha (one sp.), Spathicarpa (one sp.), Spathiphyllum (one sp.), Spirodela (one sp.), Syngonium (one sp.), Taccarum (one sp.), Wolffia (one sp.), Wolffiella (one sp.), Xanthosoma (two spp.), Zomicarpa (one sp.). New records for Ceará are Dieffenbachia aglaonematifolia, Dracontium nivosum, Monstera adansonii var. laniata, Philodendron sp. aff. ruthianum and the naturalized exotic Typhonium roxburghii. An identification key and data on geographic distribution and conservation status are provided.

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12

Lutwama, J. J., and L. G. Mukwaya. "Estimates of mortalities of larvae and pupae of the Aedes simpsoni (Theobald)(Diptera: Culicidae) complex in Uganda." Bulletin of Entomological Research 85, no. 1 (March 1995): 93–99. http://dx.doi.org/10.1017/s0007485300052056.

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AbstractStudies were carried out to estimate and compare mortalities of larvae and pupae of Aedes (Stegomyia) simpsoni sensu lato breeding in axils of Colocasia esculenta, Xanthosoma sagittifolium (Araceae) and Musa spp. (Musaceae) in different locations in Uganda and also to ascertain whether there are any differences in their dynamics that could be used to separate the species. The probability of larvae surviving from one day to the next (40·5 – 99·8%), and the proportions dying in each instar (0·97 – 77·3%) and dying daily in all the four instars (3·9 – 46·3%) varied between seasons at each site and between sites and species of plants. Estimates of larval and pupal mortality were generally highest for fourth instar [52·4 ± 6·0% (mean ± SE)] and lowest for the second instar larvae (16·0 ± 2·6%). There was higher larval instar mortality in axils of X. sagittifolium (96·9%) and Musa spp. (82·2 – 96·5%) than in C. esculenta (47·1 – 88·4%).

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13

Wahidah, Fita Fitriatul, and Rosmanida Rosmanida. "Analysis of Phytotelmata As Breeding Site Aedes spp. in Sidoarjo East Java." Risenologi 6, no. 1 (April 30, 2021): 107–11. http://dx.doi.org/10.47028/j.risenologi.2021.61.157.

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Dengue hemorrhagic fever (DHF) is a disease that is a problem in Indonesia, especially East Java. Sidoarjo is one of the city with high DHF cases in East Java with a total cases until 1,708 in 2016. One of the factors that support the increase in DHF cases is the availability of breeding site of Aedes. Research about breeding sites of Aedes in plants is limited. Vector control is often carried out only to ponds, air containers, and other artificial breeding sites, while in nature there are many plants that can to used breeding site such as phytotelmata. Phytotelmata are plants that can hold water in one of their bodies. This study aimed to determine the diversity of types and types of phytothelium, the physical condition of the water collected in the phytothelium and the Aedes species found in the phytotelmata. This research used descriptive observational. Determination of the sampling point using purposive sampling method. The results showed that there were eight species of phytotelmata which were used as breeding site for Aedes spp. in Sidoarjo, namely Musa paradisiaca, Pandanus amaryllifolius, Cocos nucifera, Neoregelia spectabilis, Bambusa sp. Neoregelia charm, Aechmea fasciata, and Xanthosoma sagittifolium. The Aedes species found were mostly Ae. albopictus. The average of air volume of the phytotelmata is 95.84 ml with water temperatures is 25-26oC and water pH is 6-7.

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14

REYES, G., A. C. RÖNNBERG-WÄSTLJUNG, and M. NYMAN. "COMPARISON OF FIELD PERFORMANCE BETWEEN DASHEEN MOSAIC VIRUS-FREE AND VIRUS-INFECTED IN VITRO PLANTS OF COCOYAM (XANTHOSOMA SPP.) IN NICARAGUA." Experimental Agriculture 42, no. 3 (July 2006): 301–10. http://dx.doi.org/10.1017/s0014479706003590.

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Cocoyam (Xanthosoma spp.) is the most important export crop of all the root and tuber crops grown in Nicaragua. Despite its importance, the total planted area and yield have significantly decreased during the past few years, a decrease that is mainly due to diseases that are disseminated through the planting material. In this study virus-free (NI) and virus-infected (I) in vitro plants from three genotypes were established in a non-traditional production area. The aim was to evaluate their agronomic performance, and to study the re-infection of dasheen mosaic virus (DsMV) and its effect on yield. Repeated measurements of morphological traits were made during the experimental period. The height of the plants, the diameter of the pseudo-stem and the leaf area increased continuously up to 217 days after planting after which the growth curves declined. The genotypes differed in all yield components, except in yield per plant. Regardless of genotype, the NI plants produced a larger number of cormels that were heavier and longer than the cormels produced by I plants. This resulted in a higher yield from NI plants (18.2 t ha−1) compared with I plants (13.6 t ha−1). Seven months after planting between 60 and 90 % of the NI plants, depending on genotype, were infected with DsMV. Aphis gossypii was the only aphid observed in the field trial and is therefore most probably the vector responsible for the transmission of the virus.

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15

Ukom, Anthony N., Philippa C. Ojimelukwe, and John M. Emetole. "Physicochemical and functional properties of starch from under-utilized yam (Dioscorea spp) and cocoyam (Xanthosoma maffa(Scoth)) tubers of Southeast Nigeria." Starch - Stärke 68, no. 5-6 (October 21, 2015): 410–15. http://dx.doi.org/10.1002/star.201500114.

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16

Kouomou, Peguy Flora Djuidje, Cécile Annie Ewane, Sylvain Lerat, Denis Omokolo Ndoumou, Carole Beaulieu, and Thaddée Boudjeko. "Evaluation of antagonistic activities against Pythium myriotylum and plant growth promoting traits of Streptomyces isolated from Cocoyam (Xanthosoma sagittifolium (L.) Schott) rhizosphere." June 2019, no. 13(06) 2019 (June 20, 2019): 920–33. http://dx.doi.org/10.21475/ajcs.19.13.06.p1670.

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The focus of this study was to isolate, evaluate and characterize cocoyam rhizospheric actinobacteria collected from Mount Cameroon for their potential antagonistic activities against Pythium myriotylum, the causative agent of cocoyam root rot disease, and/or their ability to promote plant growth. Actinobacteria were isolated from soil samples by using serial dilution method. Dual culture assay was used to screen the isolates against fungal phytopathogens including P. myriotylum. The selected isolates were characterized morphologically, physiologically, biochemically and genetically. Furthermore, these isolates were subjected to in vitro production of various plant growth promoting (PGP) traits. Among the 287 isolates distributed into 12 distinct groups, PFK4, PFBOT7 and PFEL2 had high antagonistic effects against P. myriotylum and they were regarded as promising candidates for further study of their biocontrol ability. The identification of actinobacterial isolates was done using universal PCR of partial 16S rRNA sequences combined with bioinformatics and phylogenetic procedures. The results revealed that all these isolates belong to the genus Streptomyces spp. The isolate PFK4 showed 99% similarity with Streptomyces albulus while PFBOT7 showed 99% similarity with Streptomyces albus and PFEL2 showed 98% similarity with Streptomyces gandoceansis based on their 16S rRNA gene sequences. In this study for the first time, we report S. gandocaensis strain for the biological control of Pythium myriotylum. The role of these isolates in Plant Growth Promotion (PGP) by in vitro production of PGP traits such as phosphate solubilisation, siderophore, indole-3-acetic acid (IAA), ACC deaminase and cell wall degrading enzymes production were also evaluated and showed as potential PGP agents. Concurrent production of PGP substances coupled with broad spectrum of antifungal and antibacterial activities of these three strains suggest their potential use as promising biocontrol and PGP tools for the development of an alternative control method for cocoyam cultivation.

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17

Da Silva Borba, Jonathan, Alexsander Novais Leste, Elitânia Gomes Xavier, Fânia Bailona Silva, and Anielly Monteiro de Melo. "Tratamento de efluentes industriais através da utilização de plantas na despoluição da água, associado à decantação e filtração lenta." Científic@ - Multidisciplinary Journal 5, no. 2 (May 14, 2018): 132–37. http://dx.doi.org/10.29247/2358-260x.2018v5i2.p132-137.

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A água é o elemento fundamental da vida. Seus múltiplos usos são indispensáveis a uma longa abrangência das atividades humanas, onde se destacam, entre outros, o abastecimento público e industrial, a irrigação agrícola, a produção de energia elétrica e as atividades de lazer e recreação. A água potável após a utilização humana apresenta suas características físicas, químicas e biológicas alteradas se transformando em efluentes. O uso de plantas na despoluição dos mesmostem conquistado significativo interesse científico. Portanto este estudo teve como objetivo avaliar o desempenho vegetal juntamente com a decantação e filtração no tratamento de efluentes, aproveitando suas características de retenção e eliminação de nutrientes. Foi utilizada no sistema a planta aquática (Eichhornia crassipes (mart.) solms) popularmente conhecida como aguapé além de bananeiras (Musa spp) e taiobas (Xanthosoma sagittifolium (L.) Schott) por meio de hidroponia, o meio de tratamento foi mantido em repouso proporcionando a decantação das partículas mais pesadas. Após a etapa de decantação e ação vegetal o efluente foi filtrado através de camadas de areia e brita. Avaliadas as propriedades físico-químicas do efluente bruto como: Turbidez, pH, condutividade elétrica, cloretos, sólidos totais, temperatura e análises microbiológicas sendo comparadas com os resultados de cada etapa do sistema e com a legislação atual CONAMA Nº 430/2011 para lançamento de efluentes. Constatou-se a eficiência do meio com relação aos parâmetros analisados como redução de turbidez (82,7%), sólidos totais (97%), condutividade elétrica (98%) e cloretos (92%). Os índices de PH e temperatura apresentaram pouca variação e houve diminuição no número de bactérias patogênicas. Ao utilizar plantas, princípios de decantação e filtros de areia e brita foi possível obter resultados satisfatórios quanto ao tratamento de efluentes de laticínios.

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18

Dan Ramdath, D., Renée L. C. Isaacs, Surujpal Teelucksingh, and Thomas M. S. Wolever. "Glycaemic index of selected staples commonly eaten in the Caribbean and the effects of boiling v. crushing." British Journal of Nutrition 91, no. 6 (June 2004): 971–77. http://dx.doi.org/10.1079/bjn20041125.

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Integrating information about the glycaemic index (GI) of foods into the Caribbean diet is limited by the lack of data. Therefore, we determined the GI of eight staple foods eaten in the Caribbean and the effect on GI of crushing selected tubers. Groups of eight to ten healthy volunteers participated in three studies at two sites. GI was determined using a standard method with white bread and adjusted relative to glucose. The mean area under the glucose response curve elicited by white bread was similar for the different groups of subjects. In study 1, the GI of cassava (Manihot esculenta; 94 (SEM 11)) was significantly higher than those of breadfruit (Artocarpus altilis; 60 (SEM 9)), cooking ‘green’ banana (Musa spp.; 65 (SEM 11)) and sadha roti (65 (SEM 9)) (P=0·018). There was no significant difference in the GI of the foods in study 2: dasheen (Colocasia esculenta var. esculenta; 77 (SEM 10)), eddoes (Colocasia esculenta var. antiquorum; 61 (SEM 10)), Irish potato (Solanum tuberosum; 71 (SEM 8)), tannia (Xanthosoma sagittifolium; 60 (SEM 5)) and white yam (Dioscorea alata; 62 (SEM 6)), and, in study 3, crushing did not significantly affect the GI of dasheen, tannia or Irish potato. However, when the results from studies 2 and 3 were pooled, the GI of dasheen (76 (SEM 7)) was significantly greater than that of tannia (55 (SEM 5); P=0·015) with potato being intermediate (69 (SEM 6)). We conclude that dasheen and cassava are high-GI foods, whereas the other tubers studied and sadha roti are intermediate-GI foods. Given the regular usage of cassava and dasheen in Caribbean diets we speculate that these diets would tend to be high GI, although this could be reduced by foods such as sadha roti and white yam. The range of GI between the staples is sufficiently large that health benefits may be accrued by replacing high-GI staples with intermediate-GI staples in the Caribbean diet.

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19

Okwunodulu, Innocent N., Daniel M. Uluocha, and Felicia U. Okwunodulu. "Influence of Plantain and Sprouted Soybean Pastes on the Nutrient and Proximate Composition of Two Species of Cocoyam Puddings as a Complementary Food." Sustainable Food Production 5 (February 2019): 24–37. http://dx.doi.org/10.18052/www.scipress.com/sfp.5.24.

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The authors evaluated the nutrients and proximate composition of the puddings prepared from ede-ocha (Xanthosoma sagittifolium) and ede-cocoindia (Colocasia esculenta) pastes. Each paste was separately blended with firm ripe plantain, sprouted soybean pastes in the ratio of 100% cocoyam, 90% cocoyam:10% soybean, 25% cocoyam:65% plantain:10%soybean, and 45% cocoyam: 45% plantain 10% soybean and mixed with equal quantities of seasonings. The formulated blends were wrapped in plantain leaves and boiled for 30 minutes. Samples from ede-ocha were marked 101 to 104 and ede-cocoindia from 105 to 108. Values obained showed that pudding from ede-ocha had a higher moisture content (56.25%), protein (4.47%), fat (1.84%), ash (2.57%), crude fiber (2.46%), iron (0.58mg), and calcium (5.12mg) than ede-cocoondia. which had 5.52%, 4.29%, 1.49%, 2.45%, 2.11%, 0.36% and 5.01% respectively. Also, ede-cocoindia had higher carbohydrate {39.28%}, vitamin A precursor {62.90μg}, vitamin C (33.05mg) and zinc (0.35mg) than ede-ocha which had 35.46%, 60.80 μg, 20.50 mg, and 0.32mg respectively. The ede-ocha therefore made a better nutritious pudding than ede-cocoindia.

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20

Lamberts, Mary, Teresa Olczyk, Stephen K. O'Hair, Juan Carranza, Herbert H. Bryan, George Hochmuth, and Edward Hanlon. "Extending Crop Nutrient Information: Involving the Whole Industry." HortScience 31, no. 4 (August 1996): 594e—594. http://dx.doi.org/10.21273/hortsci.31.4.594e.

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Replicated fertility trials with four vegetable crops on the limestone soils of Dade County, Fla., have been conducted for 3 years (1993–94 through 1995–96). The purpose was 1) to determine crop nutrient requirements, 2) to calibrate a soil testing model, and 3) to develop additional information for plant sap quick tests. The crops included snap beans, Irish potatoes, sweet corn, and malanga (a.k.a. yautia or tannia, Xanthosoma sagittifolium Schott). Another two field demonstrations using reduced rates of phosphorus on tomatoes were conducted in 1995–96. The involvement of the local fertilizer industry in these trials and grower outreach efforts will be discussed.

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Ukom, Anthony N., and C. F. L. Okerue. "Determination of the Nutrients, Anti-Nutrients and Functional Properties of Processed Cocoyam (Xanthosoma sagittifolium) Cultivars Grown in Southeast, Nigeria." Sustainable Food Production 1 (March 2018): 11–21. http://dx.doi.org/10.18052/www.scipress.com/sfp.1.11.

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This project determined the nutrients, anti-nutrients and functional properties of two cultivars of processed (boiled and fermented)Xanthosoma sagittifolium(edeochaandede uhie) flours grown in Southern, Nigeria. The proximate, minerals, chemical, anti-nutrients and functional properties of the cocoyam flours varied significantly (P<0.05). The results showed that the moisture content varied from 6.17% to 7.88%, withede uhieexhibiting higher values. The same trend was observed in crude protein (4.33- 5.92%), crude fiber (1.04-1.94%), crude fat (1.16-3.22%), ash (2.17-2.93%), withede uhieexhibiting higher values thanede ocha.However, the carbohydrate and energy values were higher inede ocha. For the mineral contents, the range values were: Ca (10.23-41.17mg/100g), Na (15.22-17.66mg/100g), Mg (5.82-8.38mg/100g), P (12.31-16.19mg/100g), K (2.78-3.62mg/100g), withede uhieshowing higher values. On pH, TTA, starch and total sugar, it was observed that fermentedede ochahad higher pH value (6.82), TTA was higher in fermentedede ocha(0.92%), starch (24.66) and total sugar (3.29) values were higher in rawede ochathan others. Anti-nutrient factors were generously reduced by processing methods especially boiling by between 50-100%, and fermentation by between 5-77% in most of the parameters analyzed. Functional properties ranged from BD (0.60-0.81g/mL), WAC (2.19-2.71g/mL), OAC (1.45-2.92g/mL), FC (16.38-19.52g/mL), FS (1.96-2.48 min/sec) and GT (60.85-81.05 °C). While BD, WAC, OAC, FC were higher in theede ochaflour, FS and GT were higher inede uhieflour. Relating the physicochemical and functional properties,ede ochahas a potential for a quality food thickener. Overall, the results obtained in this study can be used to develop cocoyam food based products for enhanced nutrition with a potential to promote cocoyam commercial agriculture and composite utilization for confectionary industries in Nigeria.

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22

"Kimpul (Xanthosoma spp.) characterization based on morphological characteristic and isozymic analysis." Nusantara Bioscience 1, no. 3 (November 1, 2009). http://dx.doi.org/10.13057/nusbiosci/n010306.

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23

"Corrosion Inhibition of Copper in Seawater by Xanthosoma Spp Leaf Extract (XLE)." International Journal of Advanced Research in Chemical Science 3, no. 12 (2016). http://dx.doi.org/10.20431/2349-0403.0312005.

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24

"Xanthomonas axonopodis pv. dieffenbachiae. [Distribution map]." Distribution Maps of Plant Diseases, no. 2) (August 1, 1998). http://dx.doi.org/10.1079/dmpd/20066500698.

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Abstract A new distribution map is provided for Xanthomonas axonopodis pv. dieffenbachiae (McCulloch & Pirone) Vauterin et al. Bacteria Hosts: Ornamental foliage plants in the family Araceae and Xanthosoma spp. Information is given on the geographical distribution in EUROPE, Netherlands, ASIA, Philippines, AFRICA, South Africa, NORTH AMERICA, Canada, British Columbia, Ontario, USA, California, Florida, Hawaii, New Jersey, CENTRAL AMERICA & CARIBBEAN, Barbados, Bermuda, Costa Rica, Dominica, Guadeloupe, Jamaica, Martinique, Puerto Rico, St Vincent and Grenadines, Trinidad and Tobago, SOUTH AMERICA, Brazil, Goias, Venezuela, OCEANIA, Australia, Queensland, French Polynesia.

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25

"Dasheen mosaic potyvirus. [Distribution map]." Distribution Maps of Plant Diseases, no. 1) (August 1, 1998). http://dx.doi.org/10.1079/dmpd/20066500751.

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Abstract A new distribution map is provided for Dasheen mosaic potyvirus Viruses: Potyviridae: Potyvirus Hosts: Colocasia esculenta, Xanthosoma spp. and other Araceae. Information is given on the geographical distribution in EUROPE, Belgium, Denmark, Italy, Mainland Italy, Netherlands, UK, ASIA, China, Guangdong, India, Japan, Honshu, Taiwan, AFRICA, Cameroon, Egypt, Nigeria, South Africa, NORTH AMERICA, USA, California, Florida, Hawaii, Kansas, Louisiana, Nebraska, South Carolina, CENTRAL AMERICA & CARIBBEAN, Costa Rica, Cuba, Jamaica, Martinique, Puerto Rico, Trinidad and Tobago, SOUTH AMERICA, Brazil, Sao Paulo, Venezuela, OCEANIA, Australia, Queensland, Cook Islands, Fiji, French Polynesia, Kiribati, New Zealand, Niue, Papua New Guinea, Samoa, Solomon Islands, Tonga.

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26

Crous, P. W. "Cylindrocladiella parva. [Descriptions of Fungi and Bacteria]." IMI Descriptions of Fungi and Bacteria, no. 116 (August 1, 1993). http://dx.doi.org/10.1079/dfb/20056401160.

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Abstract A description is provided for Cylindrocladiella parva. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Annona cherimola, Camellia japonica, Eucalyptus spp. (66, 2526), Macadamia integrifolia, Pelargonium sp., Persea americana, Phaseolus vulgaris, Pinus contorta, P. radiata, Psidium guajava, Rheum rhaponticum, Rosa sp., Spondias mangifera, Telopea speciosisima, Vitis vinifera, Xanthosoma sagittifolium. DISEASE: Seedling blight, damping off, root rots. GEOGRAPHICAL DISTRIBUTION: Australia, Brazil, Costa Rica, Great Britain, Hong Kong, India, Japan, Java, Malawi, Mauritius, New Zealand, South Africa, U.S.A. (Florida, Hawaii, Massachusetts), West Indies. TRANSMISSION: Probably wind and spash dispersed.

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27

Llangarí-Arizo, Luz M., and Violeta Rafael. "Cuatro especies nuevas del género Drosophila (Diptera, Drosophilidae) en las provincias de Pichincha, Napo y Santo Domingo de los Tsáchilas, Ecuador." Iheringia. Série Zoologia 108 (November 29, 2018). http://dx.doi.org/10.1590/1678-4766e2018040.

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RESUMEN Se describen cuatro especies nuevas del género Drosophila. Drosophila valenteae sp. nov., recolectada en un remanente de bosque andino de la provincia de Pichincha, pertenece al grupo D. guarani. Drosophila cumanda sp. nov., recolectada en los andes orientales de la provincia de Napo, pertenece al grupo D. annulimana. Las especies D. cruzloma sp. nov., recolectada en el páramo de la provincia de Pichincha, y D. tinalandia sp. nov., recolectadas en los andes occidentales de la provincia de Santo Domingo de los Tsáchilas, aunque pertenecen al subgénero Drosophila, no fueron asignadas a ningún grupo de especies. Sin embargo D. tinalandia sp. nov. fue capturada en inflorescencias de especies del género Xanthosoma spp. (Araceae), por lo tanto podría estar relacionada a un grupo antofílico.

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28

Jiménez, Marilys Milián. "Association of Variables as Markers for the Classification of Accessions of the Cuban Cocoyam Collection Xanthosoma spp. (Araceae)." Biomedical Journal of Scientific & Technical Research 19, no. 1 (June 24, 2019). http://dx.doi.org/10.26717/bjstr.2019.19.003253.

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29

"Phytophthora colocasiae. [Distribution map]." Distribution Maps of Plant Diseases, no. 3) (August 1, 1997). http://dx.doi.org/10.1079/dmpd/20066500466.

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Abstract A new distribution map is provided for Phytophthora colocasiae Racib. Fungi: Oomycota: Peronosporales Hosts: Mainly Colocasia and Xanthosoma spp., also rubber (Hevea brasiliensis), Piper betle, Vinca rosea. Information is given on the geographical distribution in ASIA, Bangladesh, Brunei Darussalam, China, Fujian, Guangdong, Guangxi, Hainan, Hebei, Hubei Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan, Hong Kong, India, Andaman and Nicobar Islands, Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Punjab, Tamil Nadu, Uttar Pradesh, West Bengal, Indonesia, Irian Jaya, Java, Japan, Honshu, Ryukyu Archipelago, Malaysia, Peninsular Malaysia, Sabah, Sarawak, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Taiwan, Thailand, AFRICA, Equatorial Guinea, Ethiopia, Seychelles, NORTH AMERICA, USA, Hawaii, North Carolina, CENTRAL AMERICA & CARIBBEAN, Dominican Republic, SOUTH AMERICA, Argentina, OCEANIA, American Samoa, Fed. States of Micronesia, Fiji, Guam, Northern Mariana Islands, Palau, Papua New Guinea, Samoa, Solomon Islands.

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30

Asumugha, VU, and BC Uwalaka. "Chemical and organoleptic evaluation of snacks developed from cocoyam (Colocasis esculenta. xanthosoma mafafa) and wheat (triticum spp.) composite flours." Nigeria Agricultural Journal 31, no. 1 (January 12, 2010). http://dx.doi.org/10.4314/naj.v31i1.49346.

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31

Kra, Daniel Kouamé, Yapi Richmond Baka, David Coulibaly N’golo, and Ipou Joseph Ipou. "Identification of Susceptible Weed Hosts of Phytophthora spp. in Cocoa Trees in the Nawa Region, South-West of Côte d'Ivoire." Annual Research & Review in Biology, March 12, 2021, 53–65. http://dx.doi.org/10.9734/arrb/2021/v36i130333.

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The cocoa tree, the mainexport crop in Côte d'Ivoire is frequently attacked by a disease: brown pod rot, caused by Phytophthora spp. which causes a considerable drop in production. This soil-borne pathogen attacks on so-called weeds when environmental conditions are favourable. The presence of these susceptible weed hosts can amplify this scourge of brown rot by transmitting the pathogen to the crop plant. In order to improve the yield of this crop, a study was conducted in the Nawa region to identify the weed hosts through the characterization of the pathogen. This study consisted first in the inventory of susceptible host weeds of Phytophthora spp. and second in the morphological characterization of the pathogen. Concerning the host weeds inventory we procceeded determining all symptomatic weeds located within 3 m of the cocoa plants affected by brown rot. We identified 48 susceptible host species, divided into 41 genera and 22 families and we observed brown spots on the leaves of Oplismenus burmannii and Laportea aestuans; on the leaves of Clerodendrum splendens and Xanthosoma mafaffa, brown necroses surrounded by a yellow halo were noticed. Oily brown spots were examined on the leaves of Ageratum conyzoides. On the proximal, lateral and distal parts of the pods symptoms of brown spots covered with whitish mycelia were observed. Phytophthora strains obtained from the pods and weeds on PDA culture medium were characterized by matted, white mycelial colonies with a cottony appearance. Microscopic features revealed the presence of sporocysts, oospores and chlamydospores of different shapes.

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Bikomo, RM, and A. Akoa. "Impact de la variété et de la maturité à la récolte sur l’effet de la chloration et de l’emballage du macabo (Xanthosoma spp.) en entreposage." International Journal of Biological and Chemical Sciences 3, no. 3 (August 25, 2009). http://dx.doi.org/10.4314/ijbcs.v3i3.45324.

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