Factors Affecting Resistance of Selected Alfalfa Clones to the Potato Leafhopper1
- 31 May 1965
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 58 (3) , 435-439
- https://doi.org/10.1093/jee/58.3.435
Abstract
Time of development, survival, and plant preference of potato leafhopper nymphs, Empoasca fabae (Harris), were investigated for 15 selected alfalfa clones in the greenhouse, laboratory, and environmental control chamber. Results indicated significant differences among clones for length of nymphal development and nymphal feeding preference. A significant correlation was observed between long nymphal development and reduced nymphal survival. Additional studies indicated differences within the same clones for adult oviposition preference, plant yellowing resulting from both nymphal and adult feeding, and nymphal populations occurring under natural field infestations. Significant correlations were shown between plant color changes and nymphal populations, plant color changes and oviposition preference, as well as between nymphal populations and oviposition preference. The authors describe a new technique involving exposure of potted plants for a short time in the field to determine antibiosis of alfalfa clones to the potato leafhopper.This publication has 3 references indexed in Scilit:
- Resistance to the Potato Leafhopper in Lima Bean Lines, Interspecific Phaseolus Crosses, Phaseolus spp., the Cowpea, and the Bonavist BeanJournal of Economic Entomology, 1961
- Resistance in Common Bean Lines to the Potato LeafhopperJournal of Economic Entomology, 1961
- Leafhopper Resistance Among the Bean Varieties1Journal of Economic Entomology, 1943