Affiliation:
1. Department of Entomology and Plant Pathology, Auburn University, Auburn, AL , USA
Abstract
Abstract
The sugarcane aphid, Melanaphis sacchari (Zehntner), emerged as a severe pest of sorghum, Sorghum bicolor (L.), in Texas and Louisiana in 2013 and currently threatens nearly all sorghum production in the United States. Proper management of populations is critical as sugarcane aphid has a high reproductive potential and can rapidly damage plants, resulting in extensive yield losses. The overall objective of this work was to investigate sugarcane aphid population dynamics, and subsequent sorghum injury and grain yield on commercially available grain sorghum varieties in Alabama. This research includes three-site years of data that show variation in plant injury, physiological maturity, and yields among varieties tested. Although performance of each variety was variable among locations, potentially due to abiotic factors, four varieties including DKS 37-07, 1G588, 1G855, and 83P17 exhibited characteristics consistent with resistance and corroborates reports of resistance from other states.
Funder
United Sorghum Checkoff Program
Alabama Wheat and Feed Grain Producers
Alabama Farmers Federation
Alabama Agricultural Experiment Station
Publisher
Oxford University Press (OUP)
Subject
Insect Science,Ecology,General Medicine
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