Managing maize diseases through breeding under Malawi field conditions.
TL;DRAbstract
A study was initiated during the 1988/00-cropping season to develop maize varieties with multiple disease resistance characteristics. A total of three hundred twenty-two (322) S4 inbred and advanced lines, and 66 varieties from various sources were screened and evaluated against three major diseases: Gray Leaf Spot (GLS) (caused by Cercospora zeae-maydis), Turcicum Leaf Blight (TLB) (caused by Excerohilum (Helminthosporium) turcicum), and Maize Streak Virus (MSV) (caused by maize streak mastrevirus). A total of 71 lines have been identified as having multiple diseases resistant genes. In addition, several hybrid varieties have been selected for their tolerance to the three diseases. Out of these varieties, the Agricultural Technology Clearing Committee (ATCC) has earmarked five 3-way and 2-way crosses for further testing before they can be released.
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A study was initiated during the 1988/00-cropping season to develop maize varieties with multiple disease resistance characteristics. A total of three hundred twenty-two (322) S4 inbred and advanced lines, and 66 varieties from various sources were screened and evaluated against three major diseases: Gray Leaf Spot (GLS) (caused by Cercospora zeae-maydis), Turcicum Leaf Blight (TLB) (caused by Excerohilum (Helminthosporium) turcicum), and Maize Streak Virus (MSV) (caused by maize streak mastrevirus). A total of 71 lines have been identified as having multiple diseases resistant genes. In addition, several hybrid varieties have been selected for their tolerance to the three diseases. Out of these varieties, the Agricultural Technology Clearing Committee (ATCC) has earmarked five 3-way and 2-way crosses for further testing before they can be released.
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