Using some medicinal plant and bacteria to control cabbage webworm (Hillula undalis Fab.)
1993
Aroon Sottikul (Lampang Agricultural Research and Training Centre, Lampang (Thailand))
Number of Hullula undalis was 0.4, 0.9, 2.5 and 12.9 body/plant after spray 4 time with neem, neemix derris and control respectively. At harvesting period ten days after the last spraying neem, neemix, derris and control number of Hullula undalis was 0.27, 1.89, 2.04 and 7.87 body/plant respectively. Number of Plutella xylostella were 3.4, 4.6 and 4.9 body/plant on neem derris and tobacco treatment respectively. Number of flea beetle was 2.8, 2.9 and 3 body plant in Cassia sp. ocimum and derris treatment respectively. This experiment study in summer the broccoli not well growth has average weight at 190 gram/plant
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