EFFECT OF CROP ESTABLISHMENT METHODS AND WEED  MANAGEMENT PRACTICES ON YIELD AND YIELD ATTRIBUTES OF  RICE (Oryza sativa L.) UNDER TEMPERATE CONDITIONS OF KASHMIR

Aijaz Nazir; M Anwar Bhat; Tauseef A Bhat; Suhail Fayaz; F A  Bahar; Rehana Mohi-ud-din

doi:10.48165/

Authors

Aijaz Nazir Faculty of Agriculture, S.K. University of Agricultural Sciences and Technology of Kashmir, Wadura, Sopore – 193 201, Jammu & Kashmir (India)
M Anwar Bhat Faculty of Agriculture, S.K. University of Agricultural Sciences and Technology of Kashmir, Wadura, Sopore – 193 201, Jammu & Kashmir (India)
Tauseef A Bhat Faculty of Agriculture, S.K. University of Agricultural Sciences and Technology of Kashmir, Wadura, Sopore – 193 201, Jammu & Kashmir (India)
Suhail Fayaz Faculty of Agriculture, S.K. University of Agricultural Sciences and Technology of Kashmir, Wadura, Sopore – 193 201, Jammu & Kashmir (India)
F A Bahar Faculty of Agriculture, S.K. University of Agricultural Sciences and Technology of Kashmir, Wadura, Sopore – 193 201, Jammu & Kashmir (India)
Rehana Mohi-ud-din Faculty of Agriculture, S.K. University of Agricultural Sciences and Technology of Kashmir, Wadura, Sopore – 193 201, Jammu & Kashmir (India)

DOI:

https://doi.org/10.48165/

Keywords:

Economics, intensification, penoxsulam, system of rice transplanting, yield

Abstract

Field experiments were conducted at the Faculty of Agriculture, SKUAST Kashmir, Wadura, Jammu and Kashmir during kharif seasons of 2017 and 2018 to assess the effect of crop establishment methods and weed management practices on yield and yield attributes of rice (Oryza sativa L.) under temperate conditions of Kashmir. The experiment comprised of three seeding (DSR) and system of rice intensification (SRI)] and seven weed management practices [butachlor @ 1500 g a.i. ha-1, penoxsulam (@ 22.5 g a.i. ha-1), pyrazosulfuran ethyl + pretilachlor (@ 15 and 600 g a.i. ha-1), bensulfuron methyl + pretilachlor (@ 60 and 600 g a.i. ha-1), twice cono weeding/hand weeding, weed free and weedy check)] in sub-plots. The treatments were replicated thrice in a split plot design. The results revealed that SRI method of crop establishment gave significantly higher values for yield attributes viz., number of panicles (399.15) and grains panicle-1(96.62) that resulted in higher grain (8.04 t ha-1) and straw (9.88 t ha-1) yield as compared to direct seeding and transplanted method. Among the weed management practices, the application of penoxsulam (@ 22.5 g a.i. ha-1) gave significantly higher grain (8.24 t ha-1) and straw (10.29 t ha-1) yield as compared to other weed management practices, except weed-free and weedy check treatments. The average grain and straw yield increase with SRI was 24.11 and 23.62% over DSR and 10.47 and 12.23% over transplanted rice. Highest B: C ratio of 1.60 was realized under SRI with the application of penoxsulam @ 22.5 g a.i. ha-1.

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