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A field experiment was conducted at Regional Agricultural Research Station, Lam farm, Guntur-34, to
study the Seasonal influence on seed yield of jute under rabi sowings in Krishna agro-climatic zone of
Andhra Pradesh during rabi 2010-11 and 2011-12. The treatments consisted of combination of two
factors viz., four sowing windows (2nd FN of September, 1st of FN of October, 2nd FN of October and 1st
of FN of November) and two varieties (JRO-524 and JRO-8324). The rainfall of 457.4 mm with 18 rainy
days was received by crop sown on 2nd FN of September and the lowest (247.2 mm in 8 rainy days) was
received by the crop sown on 1st FN of October. Due to variation in sowing dates, plant height, number of
branches, number of pods/plant, pod length and seed yield were affected greatly. Correlation coefficient
between growth, yield and its components and agrometeorological parameter were calculated and
parameters showing statistically significant correlation. Rainfall, rainy days, mean minimum
temperature, mean RH2 had shown significantly negative correlation while mean maximum temperature,
mean sun shine hours, mean RH2, wind speed and pan evaporation had shown positive correlation on
yield and yield parameters. Both JRO-524 and JRO-8324 recorded maximum seed yield in respect of the
crop sown on 1st FN of November followed by 2 FN of October.
Key words: Agro climatic environment, weather parameters, jute, correlation coefficient.