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Stink Bugs in Cotton: Feeding and Injury Observations

G. R. Lee, P. Roberts and M. A. Abney


 
ABSTRACT

A preliminary study was conducted to observe the stink bug feeding preferences and injury to cotton. There were three aspects to this study. The feeding preference and damage studies used cone shaped Fibe Air breathable plant sleeves to either cage or exclude stink bugs on cotton branches with three fruiting positions. In one aspect, sample branches were collected and bolls observed for visible damage symptoms, and spots and warts inside boll walls. In the other aspect, cages were left for yield at harvest. Damaged locks, retention, and lint weight per position were recorded. In the third aspect of this study, bolls were pulled at random from both treated and untreated fields and examined for damage symptoms. It was concluded that in the random samples data tend to show that bolls had received the most stink bug damage by day 15. The data from the cage studies reinforced this tendency showing that stink bugs prefer bolls less than 12 days old.



Reprinted from Proceedings of the 1999 Beltwide Cotton Conferences pp. 1036 - 1038
©National Cotton Council, Memphis TN

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Document last modified Monday, Jun 21 1999