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- Title
EFFECT OF PRE AND POST EMERGENCE HERBICIDES ON WEED FLORA AND YIELD OF TRANSPLANTED RICE.
- Authors
Suryakala, Paulraj; Murugan, G.; Stalin, P.; Saravanaperumal, M.; Suseendran, K.
- Abstract
A field study was conducted during Samba season of 2017 to evaluate the efficacy of pre and post emergence herbicides in transplanted rice. The herbicides evaluated were Pretilachlor 6% + Pyrazosulfuron-ethyl 0.15% GR @ 10 kg ha-1 along with post emergence herbicides Fenoxaprop-p-ethyl 9.3% w/w @ 875 ml ha-1, Bispyribac-sodium 10% SC @ 200 ml ha-1. Results of the study revealed substantial reduction in weed population in all the weed management practices adopted plots compared to weedy check. Pre-emergence herbicide application of Pretilachlor + Pyrazosulfuron-ethyl followed by post emergence herbicide application of Bispyribac-sodium recorded lower weed population, higher yield parameters, grain yield (5163 kg ha- 1) and straw yield (7654 kg ha-1) followed by Pretilachlor + Pyrazosulfuron-ethyl + Fenoxaprop-p-ethyl. On the basis of the above results, it can be concluded that application of Pretilachlor + Pyrazosulfuron-ethyl + Bispyribac-sodium (T7) hold promise as an appropriate method of weed management for obtaining lower weed population and higher yield in transplanted rice.
- Subjects
TRANSPLANTING (Plant culture); EFFECT of herbicides on plants; RICE yields; WEED populations; FENOXAPROP-ethyl; PRETILACHLOR
- Publication
Plant Archives (09725210), 2019, Vol 19, Issue 2, p3093
- ISSN
0972-5210
- Publication type
Article