Evaluation of Herbicides for Weed Control on Sweet Potato Fields

QIU Si-xin; LIU Zhong-hua; YU Hua; QIU Yong-xiang; JI Rong-chang; XU Yong-qing; LUO Wen-bin; LI Hua-wei; TANG Hao

doi:10.19303/j.issn.1008-0384.2018.02.012

Volume 33 Issue 2

Mar. 2019

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Article Navigation > Fujian Journal of Agricultural Sciences > 2018 > 33(2): 171-176

QIU Si-xin, LIU Zhong-hua, YU Hua, QIU Yong-xiang, JI Rong-chang, XU Yong-qing, LUO Wen-bin, LI Hua-wei, TANG Hao. Evaluation of Herbicides for Weed Control on Sweet Potato Fields[J]. Fujian Journal of Agricultural Sciences, 2018, 33(2): 171-176. doi: 10.19303/j.issn.1008-0384.2018.02.012

Citation:

QIU Si-xin, LIU Zhong-hua, YU Hua, QIU Yong-xiang, JI Rong-chang, XU Yong-qing, LUO Wen-bin, LI Hua-wei, TANG Hao. Evaluation of Herbicides for Weed Control on Sweet Potato Fields[J]. Fujian Journal of Agricultural Sciences, 2018, 33(2): 171-176. doi: 10.19303/j.issn.1008-0384.2018.02.012

Citation:

QIU Si-xin, LIU Zhong-hua, YU Hua, QIU Yong-xiang, JI Rong-chang, XU Yong-qing, LUO Wen-bin, LI Hua-wei, TANG Hao. Evaluation of Herbicides for Weed Control on Sweet Potato Fields[J]. Fujian Journal of Agricultural Sciences, 2018, 33(2): 171-176. doi: 10.19303/j.issn.1008-0384.2018.02.012

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Evaluation of Herbicides for Weed Control on Sweet Potato Fields

doi: 10.19303/j.issn.1008-0384.2018.02.012

1.
Institute of Crop Sciences, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350013, China
2.
Institute of Quality Standards and Testing Technology for Agro-Products, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350003, China

Received Date: 2017-06-22
Rev Recd Date: 2017-10-09
Publish Date: 2018-02-01

Abstract

Abstract

Various commercially available herbicides were evaluated for weed control on sweet potato fields. The phytotoxicity of 15 herbicides was firstly tested in a chamber on sweet potato seedlings by foliar spray. Then, the 10 that showed no or low toxic effect on the seedlings were subjected to a field test. It was found that the applications of 25% rimsulfuron WDG at 90 g·hm^-2, 330 g·L^-1 pendimethalin EC at 1 800 mL·hm^-2, 900 g·L^-1 acetochlor EC at 1 050 mL·hm^-2, and 960 g·L^-1 s-metolachlor EC at 1 200 mL·hm^-2 were more effective in weed control than the others. The selected herbicides applied at the levels reduced more than 82% on weight of fresh weeds in 50 ds after spraying. In the subsequent multi-location field test, the foliar application of acetochlor or s-metolachlor exhibited superior weed control efficacy with safety. Consequently, it was deemed applicable on sweet potato fields.
- sweet potato,
- herbicide,
- safety evaluation,
- weed control

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References(14)

References

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