FLORA AND FAUNA ISSN 2456-9364(Online) 0971-6920(Print)
         
2022 Vol.28 No.1 PP 17­-20
https://doi.org/10.33451/florafauna.v28i1pp17-20
Yield of paddy influenced by weed control methods
Rajnish Anand1, *Sima Kumari2 and B. Sreedevi3
1Chitarpur Block, RAMGARH (JHARKHAND) INDIA
2Holy cross, K.V.K. HAZARIBAG (JHARKHAND) INDIA
3Crop production section,
ICAR- Indian Institute of Rice Research (HYDERABAD) INDIA
*Corresponding Author : Email : simagromomy@gmail.com
ABSTRACT
The experiment was conducted at Chhotakipona village, Chitarpur Block, Ramgarh, Jharkhand during kharif season. The experiment was laid out in Randomised Block Design with 9 weed control methods T1- Weedy check, T2- Pretilachlore @ 0.75 kg a.i. ha-1 as pre-emergence, T3- Pretilachlore@0.75 kg a.i. ha-1 + Bispyribac Na@25gm a.i. ha-1, T4- Pendimethalin @ 1 kg a.i./ha + 2, 4-D @ 1.00 kg a.i. ha-1 at 30 DAS, T5- Pendimethalin @ 1 kg a.i./ha as pre-emergence + Bispyribac Na @ 25 gm a.i. ha-1, T6- Bispyribac Na @ 25 gm a.i. ha-1 as post-emergence at 20 DAS, T7- Hand weeding at 20 DAS + Hoeing at 40 DAS, T8- Two hand weeding at 20 & 40 DAS and T9- weed free and replicated 3 times. Application of IWM (Integrated weed management) in paddy Pretilachlore@0.75 kg a.i. ha-1 + Bispyribac Na@25gm a.i. ha-1 recorded maximum yield attributes resulting higher grain yield (4952 kgha-1).

Key words : yield attributes, yield and IWM (Integrated weed management) in paddy.
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