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Spotted stem borer, Chilo partellus (Swinhoe), is the most important pest of sorghum in Asia and South and Eastern Africa, and host plant resistance is an important component for controlling this pest under subsistence farming conditions. Therefore, we studied the antibiosis mechanism of resistance in a diverse array of 20 sorghum genotypes at the seedling stage by incorporating the freeze-dried leaf...
A database created from insecticide control experiments conducted under the All-India Coordinated Rice Improvement Project from 1965 to 1992 was used to derive empirical estimates of yield losses caused by stem borers. Each unit percent damage due to white earhead damage had a much greater impact on rice yield in the irrigated ecosystem than did damage due to dead heart. White earhead damage occurs...
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