Within-plant distribution of soybean aphid (Hemiptera: Aphididae) and development of node-based sample units for estimating whole-plant densities in soybean.

@article{McCornack2008WithinplantDO,
  title={Within-plant distribution of soybean aphid (Hemiptera: Aphididae) and development of node-based sample units for estimating whole-plant densities in soybean.},
  author={Brian P. McCornack and Alejandro C. Costamagna and David W. Ragsdale},
  journal={Journal of economic entomology},
  year={2008},
  volume={101 4},
  pages={1488-500}
}
The soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae), is capable of reducing soybean, Glycine max (L.) Merr., yield up to 40% during severe outbreaks. Frequent sampling, which can be costly and time-consuming, is essential to making informed management decisions. However, one way to decrease sampling effort is to use a reduced sample unit when possible. The objectives of this study were to describe the vertical distribution of soybean aphid within soybean over time and to define… CONTINUE READING
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