The Journal of Research ANGRAU
Contents of 36(1) - acharya ng ranga agricultural university
Contents of 36(1) - acharya ng ranga agricultural university
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MAHALINGAPPA et. al<br />
Table 2 Bio-efficacy <strong>of</strong> insecticides against mite on chillies<br />
Treatment Concentration Reduction in thrips population (%)*<br />
(%)<br />
1 DAS 3 DAS 5 DAS 10 DAS Overall<br />
efficacy<br />
Fipronil 0.01 64.41 53.19 42.75 31.33 47.92<br />
(53.44) (46.85) (40.79) (33.85) (43.56)<br />
Pr<strong>of</strong>en<strong>of</strong>os 0.10 84.76 76.89 69.20 48.38 69.80<br />
(67.34) (61.47) (56.42) (44.05) (56.70)<br />
Triazophos 0.08 77.47 70.90 65.88 51.17 64.22<br />
(61.89) (57.44) (54.28) (45.67) (53.28)<br />
Chlorpyriphos 0.05 62.75 57.17 48.17 36.17 51.06<br />
(52.46) (49.14) (43.94) (36.94) (45.85)<br />
Ethion 0.10 72.50 63.58 57.36 47.48 62.36<br />
(58.43) (52.93) (49.24) (43.55) (52.16)<br />
Cypermethrin 0.0012 36.88 31.01 21.56 10.88 25.08<br />
(37.37) (33.83) (27.62) (19.14) (30.05)<br />
SE + ….. 3.62 3.41 2.87 3.45 2.00<br />
CD (5%) ….. 7.89 7.43 6.26 7.53 4.36<br />
* Per cent reduction over control<br />
DAS= Days after spraying<br />
Figures in parentheses are Arc sin values<br />
REFERENCES<br />
AHMED, K, MOHAMMED, M G and MURTHY, N S R 1987. Yield losses due to various<br />
pests in hot pepper. Capsicum Newsletter: 83-84.<br />
Chakraborti S 2004. Sustainable management <strong>of</strong> apical leaf curling in chilli. <strong>Journal</strong> <strong>of</strong><br />
Applied Zoological <strong>Research</strong>ers 15 (1): 34-36.<br />
FLEMING, R and RETNAKARAN, A 1985. Evaluating single treatment data using Abbott’s<br />
Formula with reference to insecticides. <strong>Journal</strong> <strong>of</strong> Economic Entomology 78 (5):<br />
1179-1186.<br />
IMURA, T and NISHIKAWA, M 2004. Control <strong>of</strong> white swelling spot <strong>of</strong> tomato by the<br />
flower application <strong>of</strong> hormone added insecticide. Annual Report <strong>of</strong> the Kansai Plant<br />
Protection Society 46: 1-6.<br />
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