The juvenile hormone effect of the insecticidal principle from psychic nut, Jatropha curcas Linn. on cottton bolloworm, helicoverpa armigera (Hubn.)
The insecticidal principle from psychic nut, Jatropha curcas, was extracted using two organic solvents (petroleum ether and chloroform). The crude oils derived were evaluated for their growth-regulating and chemosterilizing effect on Helicoverpa armigera. The crude chloroform-extracted leaf oil inc...
Published in: | Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) Vol. 75, no. 1 & 2 (Jan. 1992 - Jun. 1992), 17-27 |
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Format: | Article |
Language: | English |
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1992
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