Studies on the efficiency of some insecticides in controlling of tobacco whitefly (Bemisia tabaci Gennadius)
1995
Prapaipan Ongprasert
Efficacy of eight insecticides against the tobacco whitefly, Bemisia tabaci Gennadius, the vector of tobacco leaf curl disease were investigated at Mae Jo Tobacco Experiment Station, Chiang Mai, from June to August 1993 (28.87+-1.01 deg C, 72.10+-3.31 percent RH and periodic rainfall of 114.8 mm). The trial was laid out in randomized complete block design with four replications. The evaluation at 30 days after transplanting showed that aldicarb at 222.20 g a.i./Rai and carbofuran at 199.98 g a.i./Rai were the only two insecticides which provided the significant reduction of the disease. At 60 days after transplanting, all the insecticides gave the significant reduction of the diseased plants compared with the check. Acephate (at 62.93 g a.i./Rai) gave the best control following by profenofos (at 69.72 g a.i/Rai), triazophos (at 46.67 g a.i./Rai), imidacloprid (at 23.78 g a.i./Rai), phosalone (at 88.24 g a.i./Rai), aldicarb, azadirachtin (at 0.87 g a.i./Rai) and carbofuran, respectively.
Show more [+] Less [-]AGROVOC Keywords
Bibliographic information
This bibliographic record has been provided by Kasetsart University