Formerly International Journal of Basic and Applied Agricultural Research

Response of mustard (Brassica juncea L. Czern & Coss) varieties to varied phosphorus fertilization levels in vertisols

P. Munirathnam and K. Ashok Kumar
Pantnagar Journal of Research, Volume - 18, Issue - 1 ( January-April, 2020)

Published: 2020-04-30

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Abstract


A field investigation was carried out at Regional Agricultural Research Station, Nandyal, Kurnool (Dist.) in Andhra Pradesh during rabi season of 2009 and 2010 to assess the performance of three mustard varieties (Sangam, JD 6 and SEJ 2) and their response to three levels of phosphorus fertilization (20, 30 and 40 kg P2O5/ha). The experiment comprised of nine treatments and was laid out in randomized factorial design with three replications. The results revealed that among the varieties, SEJ 2 resulted in significantly more number of branches plant-1, number of siliqua/plant and there by higher seed yield (1018 kg/ha during 2009 and 917 kg/ha during 2010) as compared to JD 6 and SEJ 2 during both the years of investigation. Even though application of phosphorus @ 40 kg P2O5/ha significantly increased yield attributes and seed yield as compared to 20 kg P2O5 /ha, but was statistically similar to that of 30 kg P2O5/ha. Hence, study clearly indicated that for realizing higher mustard seed yield, sangam variety can be grown with an application of 30 kg P2O5/ha.


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