What is it about?
Using pre-emergence (PRE) herbicide like pyrazosulfuron-ethyl is effective to control weeds of puddled transplanted rainy season rice, but the performance and consequences of this PRE herbicide needs to be assessed under non-puddled field condition especially when wheat is the succeeding crop of rice.
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Why is it important?
The efficiency of PRE herbicide might not be same under puddled field and non-puddled field condition. Pyrazosulfuron-ethyl is a commonly used PRE herbicide for rice. Now-a-days, non-puddled transplanting of rice is getting expansion to cut off the cultivation cost of field preparation. That's why, performance of pyrazosulfuron-ethyl needs to be evaluated under non-puddled field condition. Moreover, residual effect of this herbicide also needs to be assessed on the succeeding wheat.
Perspectives
I hope this article will be helpful for those who are shifting traditional rice cultivation to minimum tilled non-puddled transplanting practice and want to manage weed effectually by PRE herbicide without hampering the succeeding crop. After all, attaining targeted yield is related to manage weeds effectually in a economic way.
Dr. Taslima Zahan
Bangladesh Agricultural Research Institute
Phytotoxicity of herbicide residue could adversely affect the performance of the succeeding crops. The study reveals that Pyrazosulfuron-ethyl has no residual toxicity to the following wheat in the rice - wheat system.
MD. MOSHIUR RAHMAN
Bangladesh Agricultural University
Read the Original
This page is a summary of: Performance of pyrazosulfuron-ethyl in non-puddled transplanted rainy season rice and its residual effect on growth of the succeeding crop in rice-wheat cropping pattern, International Journal of Pest Management, February 2019, Taylor & Francis,
DOI: 10.1080/09670874.2019.1575489.
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