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Title: CATCHES OF SILVERLEAF WHITEFLIES, THRIPS AND LEAFHOPPERS WITH DIFFERENT TRAP BASE COLORED CC TRAPS

Author
item Chu, Chang Chi
item Pinter Jr, Paul
item Henneberry, Thomas
item UMEDA, K. - U OF A MARICOPA CO OP,AZ
item NATWICK, E. - UNIV CA, EXTENSION CENTER
item WEI, Y - GUANGXI UNIV CHINA
item REDDY, V. - INTERNAT CROP RES. INDIA
item SHREPATIS, M. - INTER CROPS RES INDIA

Submitted to: Sweetpotato Whitefly Progress Review Proceedings
Publication Type: Abstract Only
Publication Acceptance Date: 6/1/1999
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: Seven field studies in 1996 and 1997 were conducted in cotton, sugar beets, alfalfa, yardlong bean and peanut to compare insect catches in CC traps equipped with different trap base colors. The nine colors, white, rum, red, yellow, lime green, spring green, woodland green (dark green), true blue, and black, varied in spectral reflectance in the visible (400 to 700 nm) and near-infrared (700-1050 nm) portions of spectrum. Lime green, yellow and spring green were the three most attractive trap base colors for silverleaf whitefly, Bemisia argentifolii Bellows and Perring, and leafhopper, Empoasca spp. adults. The three trap base colors were moderately high in the green, yellow and orange spectral regions (490 to 600 nm), resembling the spectral reflectance curves of the underleaf of a green cotton leaf surface. True blue and white were the most attractive trap base colors for western flower thrips, Frankliniella occidentalis Pergande adults. Both of these trap base colors were moderate to high in the blue spectral region (400 to 480 nm).