Changes in the biochemical composition of cotton leaves as related to cotton aphid population dynamics

C. T. Speck, D. R. Krieg, J. F. Leser, M. D. Ethridge, E. Hequet, R. L. Nichols

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations

Abstract

Cotton aphids (Aphis gossypii, Glover) have become a major pest on the High Plains of Texas. The cotton producer is affected by increasing control cost as well as yield reductions. Another problem, lint contamination or 'sticky cotton' is associated with aphid honeydew. Research was conducted to determine if the changes in the sugar and amino acid composition of cotton leaves during boll development were related to developing aphid numbers. Leaves developing under different water treatments and associated with fruit of various ages from flower to open bolls were analyzed for both chemical constituents and aphid densities. The results did not indicate a strong relationship between the biochemical composition and aphid densities on individual leaves.

Original languageEnglish
Pages636-637
Number of pages2
StatePublished - 2000
EventBeltwide Cotton Conferences - Texas, United States
Duration: Jan 4 2000Jan 8 2000

Conference

ConferenceBeltwide Cotton Conferences
CountryUnited States
CityTexas
Period01/4/0001/8/00

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