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- Title
Comparison of Two Species of Aphids (Hemiptera: Aphididae) on Nine Host Plants Using Age Specific Fecundity and Survival.
- Authors
Bancroft, J. S.
- Abstract
This study characterized nine host plants for age-specific fecundity and survival by two aphid species. The ability of host-plants to provide refugia for cotton aphid, Aphis gossypii Glover, and green peach aphid, Myzus persicae (Sulzer), is important for the colonization of summer infestations on commercial crops. Fecundity was measured on detached leaves in petri dishes held in an incubator under controlled light, temperature, and humidity. The cotton aphid had greatest intrinsic rate of increase on bean, kenaf, and shepherd's purse. The green peach aphid had greatest intrinsic rate of increase on shepherd's purse, fiddleneck, pepper, and malva. Pepper was a poor host for cotton aphid, while cotton was a poor host for green peach aphid, and Powell's amaranth was a poor host for both aphid species. Variations in the ranking patterns of host plants among fecundity, survival, and intrinsic rate of increase are compared with other aphid life-table studies.
- Subjects
FERTILITY; COTTON aphid; GREEN peach aphid; COTTON diseases &; pests; APHIDIIDAE; AGRICULTURAL pests; INSECT-plant relationships; PLANT ecophysiology
- Publication
Southwestern Entomologist, 2006, Vol 31, Issue 3, p233
- ISSN
0147-1724
- Publication type
Article