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Esporulação de Botryotinia ricini em diferentes meios de cultura

2009; UNIVERSIDADE FEDERAL DE UBERLÂNDIA; Linguagem: Inglês

1981-3163

Haroldo Antunes Chagas, Daniel Dias Rosa, Marco Antonio Basseto, Maurício Dutra Zanotto, Edson Luiz Furtado,

Plant Pathogens and Fungal Diseases

The castor bean plant is a tropical species and is subject to various diseases, which cause great losses. Among these diseases, the gray mold (Botryotinia ricini) is one of the most important. The fungus spore production was evaluated in the media of cultures BDA; Oats-Agar; Mazeina-Agar; Rice-Agar; castor-bean crushed leaves-agar (FM), FM-CaCO3; V8 juice to 5% (V8-5%); V8-10%; V8-20% and tomato juice at 5% (TJ-5%); TJ-10% and TJ-20%. The production of spore in different media of cultures was evaluated at 8(th) days of incubation. The data were analyzed using the comparison of means, through the test Tukey a 5% probability, and the data processed for (X + 1) (0.5). All means of crops tested were able to produce conidia, but the best results was obtained with the culture medium V8-20% (5.7 x 10(6) conidia/mL) and BDA (3.5 x 10(6) conidia/mL).