CHEMICAL CONTROL OF Tetranychus urticae (KOCH, 1836) BORDEAUX & DOSSE 1963 IN TOMATO
Keywords:
Lycopersicon esculentum, acaricide.Abstract
An experiment to test chemical control of the mite Tetranychus urticae (Koch 1836) Bordeaux & Dosse 1963, was carried out tomato plants, at the college of Agronomy and Veterinary Medicine of the University of Goiás. The following insecticides were tested: Diazinon E-60 (Thiophosphate-0-0-diethyl- -2-isopropyl-4-methyl-pirimidyl) at 0.06%; Folidol 60 (Thiophosphate-0-0-dimethyl-0-p-nitrophenil) at 0.06%; Kurnulus (80% coloidal sulfur) at 0.03%; Metasystox-i (Thiophosphate-0-0-dimethyl-0-3-methylmercapto-ethyl) at 0.025%; Lebaycid-50 (Thiophosphate-0-0-dimethyl-S-ethyl- ercaptoethyl) at 0.065% and granulated Disyston at 2.5% (Dithiophosphate-0-0-Diethyl-S-2 (Thioethyl) - ethyl) at 2.5 g/plant. Disyston, Metasystox-i, Lebaycid and Folidol-60, were statistically superior to the others in controlling the mite. The highest percentage of control was reachead by Disyston. Next in order came Metasystox-i, Lebaycid-50, and Folidol-60. Diazinon-E-60 and sulfur cannot be recommended for controlling Tetranychus urticae.
KEY-WORDS: Lycopersicon esculentum; acaricide.
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