Control of Polyphagotarsonemus latus (Banks) in various chilli hybrid
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Studies on the screening of fourteen chilli hybrids against P. latus revealed wide difference in population of P. latus (2.53 to 6.28 mites per leaf). Among the hybrids, maximum population developed on hybrid 10/CHIhyb-7 (6.28 mites/leaf) followed by 5.70 mites/leaf on 10/CHIhyb-6; both were statistically comparable with each other but significantly higher than population recorded on other hybrids. A peak in mite population was recorded in second fortnight of October (9.54 mites/ leaf), which afterwards showed a gradual decline in number. Hybrids 9/CHIhyb-4, 9/CHIhyb-10 and 9/CHIhyb-8 were mar...
Studies on the screening of fourteen chilli hybrids against P. latus revealed wide difference in population of P. latus (2.53 to 6.28 mites per leaf). Among the hybrids, maximum population developed on hybrid 10/CHIhyb-7 (6.28 mites/leaf) followed by 5.70 mites/leaf on 10/CHIhyb-6; both were statistically comparable with each other but significantly higher than population recorded on other hybrids. A peak in mite population was recorded in second fortnight of October (9.54 mites/ leaf), which afterwards showed a gradual decline in number. Hybrids 9/CHIhyb-4, 9/CHIhyb-10 and 9/CHIhyb-8 were marked the least susceptible; Kashi Anmol, 10/CHIhyb-3, 10/CHIhyb-5 and 10/CHIhyb-16 as slightly susceptible; 10/CHIhyb-2, 10/CHIhyb-9, 10/CHIhyb-10, 10/CHIhyb-11 and 10/CHIhyb-12 as moderately susceptible and 10/CHIhyb-6, 10/CHIhyb-7 as highly susceptible hybrids. A comparison of fertilizer treatments showed that FYM @ 20t/ha was most effective, followed by vermicompost (5t/ha), poultry manureand neem cake (2t/ha) treatment as compared to NPK and control.
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