Seasonal Abundance and Population Fluctuation of Pea Leaf Miner, Chromatomyia horticola (Goureau) Infesting Pea
Keywords:
Pea leaf miner, <i>Chromatomyia horticola<i>, Seasonal abundanceAbstract
Seasonal abundance and population fluctuation of pea leaf miner was studied by carrying out survey at experimental farms of Department of Entomology, CSKHPKV, Palampur and in farmer’s fields at different locations viz., Kangra, Kullu and Karsog during Rabi 2022-23. The data revealed highest mean leaf infestation (60.38%, 51.23%) and mean larval & pupal population (65.12, 54.16 larvae & pupae/ plant)during 13th SMW, 2023 at Kangra and Palampur, respectively. At Kullu the highest mean infestation of 60.13% and 65.37 mean larval & pupal population were recorded during 14th SMW, whereas at Karsog it was recorded during 16th SMW, 2023 with 60.13% mean infestation and 65.37 larvae & pupae/ plant. Correlation coefficients between pea leaf miner infestation, larval & pupal population and weather parameters indicated that temperature (max. and min.) exerted significant positive correlation in all surveyed locations except Karsog, where maximum temperature exerted non- significant positive correlation. Relative humidity showed non- significant positive correlation in all the surveyed locations except Kangra. Rainfall resulted in non- significant positive correlation in all surveyed locations except Kullu.Downloads
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