Results 51 to 60 of about 685 (163)

First Report of Colletotrichum siamense and Description of Lasiodiplodia adeniicola sp. nov. Causing Leaf Spot on Desert Rose in Brazil

Journal of Phytopathology, Volume 173, Issue 6, November/December 2025.
ABSTRACT In July 2021, desert rose plants were consistently observed with symptoms of brown spots on the leaves, which coalesced and promoted leaf fall. The causal agent of the disease was unknown. This study aimed to identify the pathogen responsible for the symptoms through morphological and molecular characterisation, as well as pathogenicity tests.
Alan Izaías dos Santos Carvalho, Beatriz Meireles Barguil, Kedma Silva Matos, Enayra Silva Sousa, Elys Rejanne Marques Cruz Araújo, José Evando A. Beserra Jr.   +5 more
wiley   +1 more source

Selective Comparison of Native and Nanocrystals of White and Yellow Yam Starches

Walailak Journal of Science and Technology, 2015
Mild acid hydrolysis at 40 °C for 5 days was used to prepare nanocrystals of the native starches isolated from white yam (Dioscorea rotundata) and yellow yam (Dioscorea cayenensis).
Abraham Olasupo OLADEBEYE, Aladesanmi Augustine OSHODI, Isiaka Adekunle AMOO, Alias Abd KARIM   +3 more
doaj   +1 more source

Barrier, Mechanical and Antimicrobial Properties of Yam Starch Film With Cássia Cinnamon Essential Oil and Its Application in Strawberry Storage

Packaging Technology and Science, Volume 38, Issue 8, Page 681-697, August 2025.
Chitosan and cinnamon oil reduced film thickness and improved water vapor barrier properties. Cinnamon oil in yam starch films showed strong antibacterial activity against E. coli and S. aureus. Yam starch films with chitosan and cinnamon oil effectively inhibited fungal growth on strawberries.
Eliane de Sousa Costa, Inacia dos Santos Moreira, Josivanda Palmeira Gomes, Maria do Socorro Rocha Bastos, Adriano Lincoln Albuquerque Mattos, Newton Carlos Santos, Ana Paula Trindade Rocha, Kátia Nicolau Matsui   +7 more
wiley   +1 more source

Analysis of resistance to Yam mosaic virus, genus Potyvirus in white guinea yam (Dioscorea rotundata Poir.) genotypes [PDF]

Journal of Agricultural Sciences (Belgrade), 2011
Resistance to Yam mosaic virus (YMV), genus Potyvirus was studied in 10 populations of selected white Guinea yam (Dioscorea rotundata). Plants of resistant genotypes: TDr 35, TDr 1621, TDr 93-1, TDr 93-32, TDr 95-107, TDr 93-23, and susceptible ones ...
Babajide Odu O., Asiedu Robert, Shoyinka Stephen A., D’a Hughes Jacqueline   +3 more
doaj   +1 more source

Assessment of the Yam Landraces (Dioscorea spp.) of DR Congo for Reactions to Pathological Diseases, Yield Potential, and Tuber Quality Characteristics

Agriculture, 2022
Yams (Dioscorea spp.) possess the potential to contribute to food security and poverty alleviation in DR Congo; however, yam production is limited by several constraints, including the lack of yam improvement programs to address challenges relating to ...
Idris I. Adejumobi, Paterne A. Agre, Didy O. Onautshu, Joseph G. Adheka, Inacio M. Cipriano, Jean-Claude L. Monzenga, Joseph L. Komoy   +6 more
doaj   +1 more source

A Critical Overview of Common Foodborne Toxicants and Methods for Their Reliable Detection

Food Frontiers, Volume 6, Issue 4, Page 1658-1700, July 2025.
ABSTRACT Food is an essential commodity for human health. However, toxicants such as mycotoxins, heavy metals, acrylamide, and pesticides can be present in food either naturally or through processing, packaging, or some anthropogenic activities. A thorough review of carefully selected studies revealed that climate change and pandemics have led to an ...
Betty Bowe Acquah, John‐Lewis Zinia Zaukuu   +1 more
wiley   +1 more source

REACCIÓN DE GENOTIPOS DE ÑAME (Dioscorea spp) A LA ANTRACNOSIS (Colletotrichum gloeosporioides)

Temas Agrarios, 2013
El ñame (Dioscorea spp) es afectado por diferentes patógenos, entre los que se destaca Colletotrichum gloeosporioides, agente causal de la antracnosis. Esta enfermedad reduce la eficiencia fotosintética de la planta y ocasiona pérdidas en la producción ...
Yuli P. Mendez, Jorge L. Palencia, Karina P. Hernandez, Eduardo J. Hernandez, Javier D. Beltrán   +4 more
doaj  

Micropropagation of White Yam (Dioscorea rotundata Poir.)

, 1992
White yam (Dioscorea rotundata Poir.) belongs to the family Dioscoreaceae, genus Dioscorea. It is also known as white Guinea yam, Guinea yam, and 8-months’ yam. The center of origin of white yam is in West Africa. D. rotundata, a cultigen, is so close to D. cayenensis that it has been regarded as a subspecies.
openaire   +2 more sources

Experimental Verification of Yam (Dioscorea rotundata) Drying with Solar Adsorption Drying [PDF]

Applied Sciences, 2019
This work evaluates the yam (Dioscorea rotundata) drying performance of solar adsorption drying (SAD) compared to solar drying (SD) and open sun drying (OSD). The evaluation concerns the drying cycle for batches of yam, the effect on vitamin C, color and composition. As SAD can be applied during the night, by using air dehumidified by passing through a
Amankwah, Emmanuel, Kyere, Gloria, Kyeremateng, Herbert, Van Boxtel, Anton   +3 more
openaire   +3 more sources

Yield stability of water yam (Dioscorea alata L) landraces compared to improved varieties across multiple environments and their culinary qualities in the Republic of Benin

JSFA reports, Volume 5, Issue 7, Page 315-325, July 2025.
Abstract Background In the Republic of Benin, the fresh yam market has two key periods: a time of high availability from August to February, followed by a scarcity from March to July. Fortunately, when Dioscorea rotundata fresh tubers become scarce and expensive, Dioscorea alata (commonly known as Agaabidjan/ Florido) pervades the market and provides a
Myriame Dansi, Yêyinou Laura Estelle Loko, Espérance Codjia, Jeannette Gbémissola Fakorede, Paterne A. Agre, Abel Amegan, Aristide Cossi Adomou, Gbèwonmèdéa Hospice Dassou, Alexandre A. Dansi   +8 more
wiley   +1 more source