Abstract
The study on population dynamics of sapota bud borer, A. achrasella and its correlation with weather parameters was carried out at the Jambuvadi Horticultural Farm, Junagadh Agricultural University, Junagadh during the year 2021-22. Population dynamics of sapota bud borer revealed that their damage was found throughout the year. The highest per cent infestation (21.22 %) was found during 2nd fortnight of March (12th and 13th SMW), whereas, it was recorded lowest (3.29 %) during 2nd fortnight of September (38th and 39th SMW). Among various abiotic factors of the environment during 2021-22, maximum temperature and evaporation showed highly significant and positive effect on per cent bud damage with “r” values (0.690**) and (0.891**), respectively. Evening relative humidity and mean relative humidity showed highly significant and negative effect on per cent bud damage with “r” values (-0.619**) and (-0.594**), respectively.
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