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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15 |
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| Paper Title: | Rice (oryza sativa L.) establishment methods and weed management practices influence on weed control and yield under periyar vaigai command area of Tamilnadu, India |
| Authors Name: | Shamina C , DuraiSingh R , Chelviramessh , Saravannapandian P , Selvam S |
| Unique Id: | IJSDR2207013 |
| Published In: | Volume 7 Issue 7, July-2022 |
| Abstract: | Transplanting rice seedlings in un-puddled soils with minimum soil disturbance is an opportunity to expand Conservation Agriculture. Due to delay in onset of monsoon the date of release of water in PVC is highly apocryphal and farmers are in dilemma when to prepare nursery for rice. During pre-maturity stage Turn system of water release is implemented which affects yield drastically in PVC command area and availability of labours during peak period. Moreover, direct seeding has emerged as better alternatives over transplanting method. These methods not only result in labour saving, but also result in significant water saving in rice. However, the direct seeding method is confronted with severe weed infestation and yield losses if weeds are not managed well. In order to overcome this difficulty, field experiment was performed at Agricultural College & Research Institute, Tamil Nadu Agricultural University, Madurai, India during Kharif season of 2021 and Rabi season of 2022 to evaluate the performance of three establishment methods and seven weed management practices on yield and weed control under un-puddled condition. The higher total weed density and total weed dry matter was observed in CTR over DSR and MTR. The maximum rice grain yield was recorded in MTR which was followed by DSR over CTR. Compared with weed management practices, all herbicide treatments and weed free plots recorded lower total weed density and total weed dry matter over unweeded control. Maximum yield reduction due to weeds was observed in unweeded control whereas herbicide applied plots resulted in higher yield. In this study, maximum yield and higher weed control efficiency was noted in MTR method of crop establishment with application of PE Pyrazosulfuron + Pretilachlor 10 kg/ha fb EPOE Bispyripac sodium @ 25 g a.i/ha in 2021. Similar trend was noticed in 2022. |
| Keywords: | Weed flora, establishment methods, weed management, herbicides, yield |
| Cite Article: | "Rice (oryza sativa L.) establishment methods and weed management practices influence on weed control and yield under periyar vaigai command area of Tamilnadu, India", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.7, Issue 7, page no.94 - 126, July-2022, Available :http://www.ijsdr.org/papers/IJSDR2207013.pdf |
| Downloads: | 000337073 |
| Publication Details: | Published Paper ID: IJSDR2207013 Registration ID:200871 Published In: Volume 7 Issue 7, July-2022 DOI (Digital Object Identifier): Page No: 94 - 126 Publisher: IJSDR | www.ijsdr.org ISSN Number: 2455-2631 |
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