Performance of Kashmir basmati ‘Shalimar Sugandh 1’ rice (Oryza sativa) under different nitrogen levels and weed-management practices under temperate valley conditions

Abstract

An experiment was conducted during rainy season of 2018 at Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, Jammu and Kashmir, to study the response of ‘Shalimar Sugandh 1’ Kashmir basmati rice (Oryza sativa L.) to different nitrogen levels. Three nitrogen levels (0, 45 and 90 kg N/ha) and 5 weed-management practices, including 3 herbicides, viz. florpyrauxifen-benzyl @ 31.25 ml/ha, penoxsulam @ 22.5 g/ha and pyrazosulfuron-ethyl @ 60 g/ha + pretilachlor @ 300 g/ha, were evaluated to ascertain the most effective nitrogen dose and herbicide in controlling weeds in Kashmir basmati (rice). The results depicted significantly higher growth, yield and yield-attributing characters in the treatment comprising nitrogen @ 90 kg/ha and penoxsulam @ 22.5 g/ha (10 days after transplanting).