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Acta Agronomica Sinica ›› 2021, Vol. 47 ›› Issue (3): 494-506.doi: 10.3724/SP.J.1006.2021.04070

• TILLAGE & CULTIVATION·PHYSIOLOGY & BIOCHEMISTRY • Previous Articles     Next Articles

Effects of uniconazole and waterlogging stress in seedling stage on the physio logy and yield in adzuki bean

XIANG Hong-Tao1, LI Wan1, ZHENG Dian-Feng2,3,*(), WANG Shi-Ya3, HE Ning1, WANG Man-Li1, YANG Chun-Jie1   

  1. 1Institute of Crop Cultivation and Tillage, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, Heilongjiang, China
    2College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
    3College of Agriculture, Heilongjiang Bayi Agriculture University, Daqing 163319, Heilongjiang, China
  • Received:2020-03-17 Accepted:2020-10-14 Online:2021-03-12 Published:2020-11-06
  • Contact: ZHENG Dian-Feng E-mail:zdffnj@263.net
  • Supported by:
    National Natural Science Foundation of China(31871576);China Agriculture Research System(CARS-08-04B)

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Abstract:

In order to explore the difference on the resistance physiology and yield and the mitigation effect of uniconazole (S3307) pretreatment under waterlogging stress, the pot experiment was conducted using Longxiaodou 4 (LXD 4) and Tianjinhong (TJH). The anti-stress physiological indexes and yield were measured on 5th day after waterlogging stress and foliar spraying S3307 at seedling stage, and samples were taken every day. The results showed that leaf physiological indexes in waterlogging stress were changed during seedling stage, the content of H2O2, MDA, proline and soluble protein were significantly increased, as the same as the content of ABA, IAA, and SA, and the activities of SOD, POD, and CAT. Waterlogging treatment for five days resulted in a significant decrease in the output of LXD 4 in a single pot by 8.40% to 12.61%, and that of TJH decreased by 9.91% to 10.01%. S3307 had the effect of resisting waterlogging stress, and could effectively increase the content of proline and soluble protein in the leaf of adzuki bean, significantly reduced the content of H2O2 and MDA, significantly increased the activity of SOD and POD, the value of SOD/POD and SOD/CAT, significantly increased the ABA and SA content, and significantly inhibited the increase in IAA content. Foliar spraying S3307 significantly increased the output of LXD 4 by 2.85% to 6.18% under waterlogging treatment for four days, and significantly increased the yield of TJH by 2.85% to 3.95%, respectively. This study concluded that there were significant differences under physiological stress in reactive oxygen species accumulation, membrane lipid peroxidation, antioxidant enzyme activities and hormone levels among different varieties of adzuki bean under waterlogging stress. Spraying S3307 could effectively alleviate the effects of waterlogging stress on the physiology and yield in adzuki bean. The results provide a theoretical basis for further studying the physiological mechanism of adzuki bean resistance to waterlogging at the seedling stage and improving the yield of adzuki bean under waterlogging stress.

Key words: uniconazole (S3307), adzuki bean, waterlogging stress, leaf physiology, yield

Table 1

Experiment design"

品种
Variety		 处理编号
Treatment code		 药剂处理
Pesticide treatment		 水分处理
Water treatment
龙小豆4号
Longxiaodou 4		 T1 蒸馏水喷施 Spray water 正常土壤水分 Suitable soil moisture
T2 蒸馏水喷施 Spray water 淹水胁迫 Waterlogging stress
T3 S3307喷施 Spray S3307 淹水胁迫 Waterlogging stress
天津红
Tianjinhong		 T4 蒸馏水喷施 Spray water 正常土壤水分 Suitable soil moisture
T5 蒸馏水喷施 Spray water 淹水胁迫 Waterlogging stress
T6 S3307喷施 Spray S3307 淹水胁迫 Waterlogging stress

Fig. 1

Effects of waterlogging stress and spraying S3307 on H2O2 content in leaf of seedlings of adzuki bean T1 or T4: normal soil moisture at seedling stage, and sprayed with distilled water, that is control; T2 or T5: exposed to waterlogging stress after spraying water at seedling stager; T3 or T6: exposed to waterlogging stress after spraying S3307 at seedling stage. Among them, T1-T3 corresponds to Longxiaodou 4, T4-T6 corresponds to Tianjinhong. Values of H2O2 content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 2

Effects of waterlogging stress and spraying S3307 on MDA content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of MDA content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 3

Effects of waterlogging stress and spraying S3307 on SOD activity in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of SOD activity within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 4

Effects of waterlogging stress and spraying S3307 on POD activity in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of POD activity within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 5

Effects of waterlogging stress and spraying S3307 on CAT activity in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of CAT activity within the same day with different letters are significantly different at the 0.05 probability level."

Table 2

Effects of waterlogging stress and spraying S3307 on SOD/POD in leaf of seedlings of adzuki bean"

品种
Variety		 处理
Treatment		 淹水天数 Waterlogging days
1 d 2 d 3 d 4 d 5 d
龙小豆4号
Longxiaodou 4		 T1 71.43±3.70 a 76.65±5.62 a 70.91±1.37 a 70.97±1.49 a 70.88±2.33 a
T2 64.85±3.50 ab 59.38±1.44 b 57.22±0.60 b 46.99±1.72 b 69.44±4.17 a
T3 58.03±0.97 b 57.57±0.46 b 47.35±0.06 c 34.44±2.03 c 55.08±1.84 b
天津红
Tianjinhong		 T4 110.40±0.69 a 114.73±5.30 a 110.45±7.66 a 104.55±6.06 a 105.39±3.77 a
T5 119.88±7.58 a 93.21±2.98 b 82.96±1.44 b 80.13±5.13 b 83.41±2.96 b
T6 101.79±5.16 a 86.03±2.10 b 79.49±3.72 b 58.10±1.13 c 80.90±3.51 b

Table 3

Effects of waterlogging stress and spraying S3307 on SOD/CAT in leaf of seedlings of adzuki bean"

品种
Variety		 处理
Treatment		 淹水天数 Waterlogging days
1 d 2 d 3 d 4 d 5 d
龙小豆4号
Longxiaodou 4		 T1 2.05±0.49 a 1.74±0.07 a 1.97±0.09 a 2.05±0.16 a 1.92±0.01 b
T2 1.95±0.23 a 1.88±0.04 a 1.95±0.05 a 2.14±0.11 a 2.43±0.07 a
T3 1.74±0.10 a 1.68±0.06 a 1.69±0.05 b 1.33±0.03 b 1.72±0.02 c
天津红
Tianjinhong		 T4 1.59±0.06 a 1.61±0.09 a 1.49±0.08 a 1.57±0.05 a 1.49±0.11 a
T5 1.64±0.07 a 1.58±0.05 a 1.37±0.04 a 1.51±0.08 a 1.75±0.11 a
T6 1.47±0.03 a 1.36±0.02 b 1.40±0.03 a 1.22±0.03 b 1.43±0.06 a

Fig. 6

Effects of waterlogging stress and spraying S3307 on proline content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of proline content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 7

Effects of waterlogging stress and spraying S3307 on soluble sugar content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of proline content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 8

Effects of waterlogging stress and spraying S3307 on soluble protein content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of protein content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 9

Effects of waterlogging stress and spraying S3307 on ABA content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of ABA content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 10

Effects of waterlogging stress and spraying S3307 on IAA content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of IAA content within the same day with different letters are significantly different at the 0.05 probability level."

Fig. 11

Effect of waterlogging stress and spraying S3307 on SA content in leaf of seedlings of adzuki bean Treatments are the same as those given in Fig. 1. Values of SA content within the same day with different letters are significantly different at the 0.05 probability level."

Table 4

Effects of waterlogging stress and spraying S3307 in seedling stage on yield per plot in adzuki bean (g)"

年份
Year		 品种
Variety		 处理
Treatment		 淹水天数 Waterlogging days
1 d 2 d 3 d 4 d 5 d
2018 龙小豆4号
Longxiaodou 4		 T1 33.32±0.64 a 33.32±0.64 a 33.32±0.64 a 33.32±0.64 a 33.32±0.64 a
T2 32.31±0.32 a 31.83±0.41 a 30.54±0.32 b 29.78±0.29 b 29.12±0.18 b
T3 32.78±0.43 a 32.50±0.27 a 31.91±0.46 ab 31.62±0.48 a 30.56±0.35 b
天津红
Tianjinhong		 T4 27.36±0.31 a 27.36±0.31 a 27.36±0.31 a 27.36±0.31 a 27.36±0.31 a
T5 26.65±0.27 a 26.63±0.11 a 26.00±0.11 b 25.57±0.18 b 24.62±0.18 c
T6 27.20±0.16 a 27.24±0.28 a 26.55±0.24 ab 26.58±0.18 a 25.52±0.19 b
2019 龙小豆4号
Longxiaodou 4		 T1 30.37±0.22 a 30.37±0.22 a 30.37±0.22 a 30.37±0.22 a 30.37±0.22 a
T2 30.12±0.39 a 29.85±0.39 a 28.92±0.24 b 28.07±0.25 b 27.82±0.86 b
T3 30.27±0.16 a 29.97±0.32 a 29.73±0.17 a 28.87±0.13 a 28.32±0.25 b
天津红
Tianjinhong		 T4 23.62±0.39 a 23.62±0.39 a 23.62±0.39 a 23.62±0.39 a 23.62±0.39 a
T5 22.57±1.07 a 22.70±0.50 a 22.30±0.20 b 21.73±0.22 b 21.28±0.15 c
T6 23.45±0.33 a 23.10±0.33 a 22.92±0.13 ab 22.88±0.12 a 22.40±0.16 b
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