Project Summaries

04-500OK  Project Manager: P. F. O'Leary

COTTON INSECT MONITORING, MANAGEMENT AND YIELD ASSESSMENT PROJECTS

Tom Royer and Jerry Goodson Oklahoma State University

According to USDA-FSA, about 300, 000 acres were planted with only about 175,000 acres harvested. This was due to extreme drought conditions. The crop emerged as one of the best starts in recent years, but lack of moisture and high temperatures in July and August resulted in a large number of abandoned acres.

Early thrips pressure did not develop, but cotton fleahopper populations were present and control spays were used in some fields. Stink bugs and Leaf-footed bugs appeared late but were confined only to areas with adequate irrigation. Population trends, insect updates, and control tips were published in the Cotton Comments Newsletter and distributed to the state's cotton producers and consultants to help formulate management strategies to enhance profitability.

Field surveys were conducted in 10 counties with a total of 24 fields. Insect pressure and plant development were recorded and reported in the newsletter. Field surveys were performed weekly.

Thirteen newsletters were published and directly sent to 237 email recipients. A total of 53 recipients responded to an end-of-season survey. It was evident based on this survey and respondents, that an additional 99 people were forwarded the newsletter. Therefore, the best estimate we have for direct distribution of the newsletters would total 336. These newsletters were also published to the web sites http://cotton.okstate.edu and www.ntokcotton.org. The yearly number of unique visitors was 4,621. A survey was conducted on the value and content. The recipients were asked to rate on a scale of 1 to 5 (1 being not very useful) and 5 (being extremely useful). The result for the newsletter's usefulness was 4.45. With respect to the question of "topics being timely and discussed" the result was 4.43. When asked whether the newsletter was to be continued the result was 100% of respondents.

Research Accomplishments

Trapping activities in 2012 covered cotton growing regions of Southwest Oklahoma. These activities were centered on beet armyworm and the bollworm/budworm complex. Moth trap counts indicated ratios were corn earworm at 78.3% and tobacco budworm at 21.7%.

Four insecticide product evaluation trials were attempted but due to poor soil moisture at all sites no yield data was collected. No conclusions can be drawn from these projects due to lack of insect pressure and dry conditions

 

Project Year: 2012
 

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CORE PROGRAM
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