Journal of Food, Agriculture and Environment

Effects of acetochlor and fluoroglycofen on growth of grape shoot

Author(s):

Wei Tan ^{1, 2}, Ting Liang ¹, Qing-liang Li ², Yuan-peng Du ¹, Heng Zhai ^1*

Recieved Date: 2013-07-16, Accepted Date: 2013-10-20

Abstract:

Acetochlor and fluoroglycofen are herbicides used in vineyards to eradicate weeds. This present study characterized the effects of these chemicals on growth of grape shoot. Taking one-year old sand-cultured Chardonnay/SO4 grapevines as test materials, results showed that 9.4 g ai ha^-1 fluoroglycofen and 1123 g ai ha^-1 acetochlor significantly improved the growth of new shoots in Chardonnay/SO4, while 187 g ai ha^-1 fluoroglycofen and 11230 g ai ha^-1 acetochlor reduced root activity and suppressed the growth of shoots, i.e. by 86.6%, 70.6% respectively in the 50^th day. Compared with the control, fluoroglycofen decreased IAA content and increased ABA content in a dose-dependent manner. This paper also measured the shoot length and hormone content in Kyoho grapevines which were spraying acetochlor and fluoroglycofen especially in 2011. Results showed that the length of shoots decreased significantly with the fluoroglycofen concentration increased, while the length only in 22460 g ai ha^-1 acetochlor treatment was obviously lower than that of control; the IAA content decreased and ABA content increased obviously in the shoot of 375 g ai ha^-1 groups. Taken together, the herbicide under the concentration lower than recommended dosages enhanced the shoot growth of Chardonnay/SO4 grapevines, while the concentration were under five times of recommended maximum dosages, it lowed the root activity and inhibited the shoot growth. Application of fluoroglycofen under the dose or the ones higher than field maximum recommended in first year obviously inhibited the growth of Kyoho in the second year, which suggested that herbicide have some aftereffects on crop

Keywords:

Grapevine, acetochlor, fluoroglycofen, growth

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 1444-1447

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