ACTA AGRICULTURAE BOREALI-SINICA ›› 2020, Vol. 35 ›› Issue (4): 129-136. doi: 10.7668/hbnxb.20190792

Special Issue: Rice

• Tillage and Cultivation·Physiology and Biochemistry • Previous Articles     Next Articles

Effects of Different Irrigation Methods on Yield, Quality and Water Use Efficiency of Fragrant Rice

WEI Xiaoshan1,2, LIANG Jianwei1, ZHANG Jisheng1,2, TONG Tianyi1,2, HUANG Suihua1,2, MO Zhaowen1,2, TIAN Hua1,2, PAN Shenggang1,2, DUAN Meiyang1,2, TANG Xiangru1,2   

  1. 1. College of Agriculture, South China Agricultural University, Guangzhou 510642, China;
    2. Scientific Observing and Experimental Station of Crop cultivation in South China, Ministry of Agriculture. P. R. China, Guangzhou 510642, China
  • Received:2019-10-16 Published:2020-08-28

Abstract: This study aimed to investigate the suitable irrigation technique with high yield and good quality.With scented rice varieties Xiangyaxiangzhan and Meixiangzhan 2 as experimental materials, effects of water use efficiency, yield and quality formation under five water management modes (traditional flooding irrigation (CK), alternate wetting and moderate drying irrigation (W1), and drying and moistening irrigation(W2), natural replenishment irrigation(W3), alternate wetting and severe drying irrigation (W4)were analyzed by pot experiment. Compared with controls, in terms of ivory fragrance of W1 and W2 treatment could effectively improve the leaf net photosynthetic rate, yield components and rice quality, production increased by 8.23% and 11.24%, and water use efficiency increased by 24.35% and 19.94%, while the W3, W4, processing the yield components and rice quality significantly reduced, and yield reduced by 24.32% and 17.57%, in the case of Meixiangzhan 2, W1 and W2 treatment could effectively improve the leaf net photosynthetic rate, yield components and rice quality, output control effectively increased by 0.05% and 6.99%, the yield components and rice quality of W3 and W4 treatment were significantly reduced, the yield was significantly decreased by 27.07% and 17.61%, and the water utilization rate was decreased by 3.22%. It could improve fragrant rice yield and rice quality, water excessive stress on rice yield and photosynthetic parameters, rice quality all had adverse effect, so the control of rice water requirement a key period of booting stage, filling stage and the water requirement of threshold, it is an important factor to improve water use efficiency, yield and rice quality.

Key words: Fragrant rice, Irrigation mode, Yield composition, Yield and quality, Water use efficiency

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Cite this article

WEI Xiaoshan, LIANG Jianwei, ZHANG Jisheng, TONG Tianyi, HUANG Suihua, MO Zhaowen, TIAN Hua, PAN Shenggang, DUAN Meiyang, TANG Xiangru. Effects of Different Irrigation Methods on Yield, Quality and Water Use Efficiency of Fragrant Rice[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2020, 35(4): 129-136. doi: 10.7668/hbnxb.20190792.

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