Author(s):

Jagdish Choudhary, Mohammed Mohsin and Somdutt

Abstract: A field experiment was conducted at Rajasthan College of Agriculture, MPUAT, Udaipur (Rajasthan) during rabi season of 2015-16 and 2016-17 to study the response of different varieties of barley (Hordeum vulgare L.) under varying row spacing. The experiment results revealed that 20 cm row spacing enhancing the growth parameters viz. plant population, plant height and number of tillers over 22.5 and 25 cm row spacing. Amongst different barley varieties, RD 2786 recorded maximum plant population at 15 days after sowing and plant height at harvest, but maximum number of tillers was found in BD 959. However, different barley varieties failed to observe significant difference in numbers of days taken to flowering and maturity. Sowing of crop at wider row spacing (25 cm) resulted in highest test weight which was statistically at par with row spacing of 22.5 cm. whereas, non significant difference found in number of grains ear^-1 under different row spacing. Highest number of grains ear^-1 was found in variety BH 959 but different varieties failed to record perceptible variation in test weight. Sowing of barley at 20 cm row spacing results in significantly higher grain and biological yield over 22.5 and 25 cm row spacing. Amongst different barley varieties, BH 959 recorded highest grain and biological yield followed by RD 2786. Highest net return and B-C ratio was obtained when barley sown at spacing of 20 cm as compared to 22.5 and 25 cm row spacing. In case of different varieties, BH 959 obtained highest net return and B-C ratio followed by RD 2786.

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