Assessment of anthracnose resistance (Colletotrichum graminicola) in sorghum (Sorghum bicolor) germplasm under field conditions in Nigeria
o. ajayi | p. s. marley
P. S. MARLEY, O. AJAYI, 'Assessment of anthracnose resistance (Colletotrichum graminicola) in sorghum (Sorghum bicolor) germplasm under field conditions in Nigeria', The Journal of Agricultural Science, vol. 138(02), pp.201-208, Cambridge University Press (CUP), 2002
Показать больше [+] Меньше [-]Twenty-one elite sorghum lines were assessed for resistance to foliar, peduncle, rachis, grain and overall panicle anthracnose (caused by Colletotrichum graminicola) under natural infection at Samaru and Bagauda, Nigeria in 1996 and 1997. Three genotypes (R 6078, IS 14384 and CCGM 1/19-1-1) were completely resistant to all forms of the disease, while cv. Nagawhite was completely resistant to foliar, peduncle and rachis but moderately resistant to panicle anthracnose. The data indicate vertical disease progression from leaves onto peduncle and the rachis. More genotypes were susceptible to grain than rachis anthracnose thus indicating that grain infection could be direct or through vertical progression and direct pathways
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