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- Title
EFFICACY OF ESSENTIAL OILS OF SOME MEDICINAL PLANTS AGAINST DIAMOND BACK MOTH (PLUTELLA XYLOSTELLA L.) ON CABBAGE.
- Authors
Singh, Rashmirekha; Singh, N. N.; Mishra, V. K.; Priyanka
- Abstract
An experiment was carried out under field conditions at the Vegetable Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi during rabi seasons of 2016-17, to evaluate the bio-efficacy of eight essential oils along with one insecticide against Diamond back moth (DBM), Plutella xylostella (L.) and their impact on cabbage yield. Among the different treatments Pogostemon cablin oil was most effective against Diamond back moth which was followed by Curcuma longa oil, Ocimum basilicum var. surabhi oil, Cymbopogon citrates oil, O. basilicum x O. tenuiflorum oil, Cymbopogon martini oil, Ocimum basilicum var. Saumya, Acephate 75 SP and Mentha sp. oil, respectively. The difference in their effectiveness was statistically significant. Whereas, Mentha sp. oil recorded the lowest efficacy compared with rest of treatments it was also significantly superior over control. The effect of Cymbopogon citrates i.e. Citronella oil on cabbage yield was found superior over rest of the treatments. This may be due to effectiveness of C. citrates against other important insect pests of cabbage, whereas the performances of C. martinii oil, P. cablin oil and O. basilicum var. saumya oil were also very good like the performance of C. citrates oil. The economics (B:C ratio) of various treatments applied for management of DBM were also calculated in which maximum B: C ratio was found with C. martinii oil(31.27:1) followed by C. citrates oil (28.86:1) and P. cablin oil (27.69:1) and the least B:C ratio was found in Mentha sp. oil (17.70:1).
- Subjects
DIAMONDBACK moth; CABBAGE diseases &; pests; ESSENTIAL oils; MEDICINAL plants; CROP yields
- Publication
Journal of Experimental Zoology India, 2018, Vol 21, Issue 1, p273
- ISSN
0972-0030
- Publication type
Article