Field experiment was conducted at Agricultural Research Station, Thirupathisaram during Kumbapoo season (November- March) of 2017 - 2018 to evaluate the effect of pre and early post emergence on growth and yield of drum seeded rice under puddled condition. Among the herbicides tried, the application of pretilachlor @ 0.75 kg a.i ha-1 on 8 DAS as Pre Emergence (PE) fb bispyribac sodium @ 25 g a.i ha-1 on 20 DAS as Early Post Emergence (EPOE) recorded significantly higher plant height (102.0 cm), total number of tillers (373 m-2 ) and highest dry matter production (13690 kg ha-1) when compared to other treatments. Higher grain yield (6436 kg ha-1) and straw yield (7210 kg ha-1) was recorded in the application of pretilachlor @ 0.75 kg a.i ha-1 on 8 DAS as PE fb bispyribac sodium @ 25 g a.i ha-1 on 20 DAS as EPOE.
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Tamil Nadu Agricultural University
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003
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