Journal of FARM SCIENCES, Vol 33, No 4 (2020)

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Seasonal incidence of major pests of jasmine (Jasminum sambac L.)

P. D. VINAYKUMAR, K. P. GUNDANNAVAR

Abstract


Investigation on seasonal incidence of major pests of jasmine wascarried out at Lakkundi, Kadampura and Papanashi villages belongsto Gadagtaluka during 2018-19. The maximum incidence of bud wormwas noticed in the month of June (34.73%) and minimum incidencewas observed during October (8.84%). Per cent discoloured budscaused by blossom midge was highest during the month of August(23.81) and lowest in the month of October (11.24). Activity ofcrimson spider mites observed in entire study period with peakincidence of 27.83 mites per leaf during October and least incidencewas recorded during September (14.75 mites/leaf). Natural enemieslike coccinellids, predatory mites and spiders were also recorded duringstudy period. Predatory mites Neoseiuluslongispinosus,Amblyseiussp. Phytoseiussp and coccinellid beetle, Stethorussp. werefound to predate on crimson spider mites in field condition.

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