XIE Zhen-xing, JIANG Zhao-wei, ZHUO Chuan-ying, LIN Qi, ZHANG Ju-nian. Effects of plant growth regulators on yield and yield Components of ratoon rice[J]. Fujian Agricultural Science and Technology, 2017, 48(8): 28-30. DOI: 10.13651/j.cnki.fjnykj.2017.08.009
    Citation: XIE Zhen-xing, JIANG Zhao-wei, ZHUO Chuan-ying, LIN Qi, ZHANG Ju-nian. Effects of plant growth regulators on yield and yield Components of ratoon rice[J]. Fujian Agricultural Science and Technology, 2017, 48(8): 28-30. DOI: 10.13651/j.cnki.fjnykj.2017.08.009

    Effects of plant growth regulators on yield and yield Components of ratoon rice

    • The effects of foliar spraying plant growth regulators (PGRS), i.e., trinexapac-ethyl (TE), ethephon(ETH), paclobutrazol(PP333) on yield and yield components of ratoon-crop rice were studied.Results showed that PGRS reduced production of main-season.There was a different response between three varieties to PGRS for yield of ratoon-season, PGRS treatment increased yield of jiafuzhan and reduced yield of tianyouhuazhan.However, yield of Yongyou2640 increased by TE or PP333 and decreased by ETH.Thus, total production were decreased by PGRS treatment in which TE had the slowest decline compared with non PGRS treatment.
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