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作物学报 ›› 2019, Vol. 45 ›› Issue (7): 1080-1089.doi: 10.3724/SP.J.1006.2019.84160

• 耕作栽培·生理生化 • 上一篇    下一篇

S3307对始花期和始粒期淹水绿豆光合作用及产量的影响

于奇1,冯乃杰1,王诗雅1,左官强1,郑殿峰1,2,*()   

  1. 1 黑龙江八一农垦大学农学院, 黑龙江大庆 163319
    2 黑龙江八一农垦大学国家杂粮工程技术研究中心, 黑龙江大庆 163319
  • 收稿日期:2018-11-26 接受日期:2019-01-19 出版日期:2019-07-12 网络出版日期:2019-03-08
  • 通讯作者: 郑殿峰
  • 作者简介:E-mail: yrkiyrki@163.com
  • 基金资助:
    本研究由国家自然科学基金项目(31871576);国家“十二五”科技支撑计划项目(2014BAD07B05)

Effects of S3307 on the photosynthesis and yield of mung bean at R1 and R5 stages under waterlogging stress

YU Qi1,FENG Nai-Jie1,WANG Shi-Ya1,ZUO Guan-Qiang1,ZHENG Dian-Feng1,2,*()   

  1. 1 College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China
    2 National Coarse Cereals Engineering Research Center, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China
  • Received:2018-11-26 Accepted:2019-01-19 Published:2019-07-12 Published online:2019-03-08
  • Contact: Dian-Feng ZHENG
  • Supported by:
    This study was supported by the National Natural Science Foundation of China(31871576);the National Key Technology Support Program of China for the 12th Five-Year Plan(2014BAD07B05)

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摘要：

淹水胁迫是作物生长发育过程中遭受的主要非生物胁迫之一, 探究提高绿豆耐淹性的机制对绿豆抗涝栽培具有重要意义。本文在2017—2018年以耐淹性不同的绿豆品种绿丰2号和绿丰5号为试验材料, 采用盆栽方式探究了烯效唑(S3307)对淹水胁迫下绿豆叶片生理、光合作用及产量的影响。结果表明, 在不同生育时期淹水胁迫下, 绿豆叶片的叶绿素含量(SPAD)及光合特性参数均显著下降, 丙二醛(MDA)含量显著增加, 始花期(R1期)淹水胁迫下绿豆的减产率为24.70%~33.63%, 始粒期(R5期)减产率为18.07%~28.87%。2个绿豆品种均表现为R1期受淹水胁迫危害程度大于R5期, 绿丰2号耐淹性强于绿丰5号。喷施S3307后显著提高淹水胁迫下绿豆叶片的SPAD、净光合速率(Pn)、蒸腾速率(Tr)和气孔导度(Gs), 并显著降低了MDA含量。绿豆在R1期淹水胁迫下的缓解率为28.91%~52.34%, R5期缓解率为13.77%~27.36%。表明叶面喷施S3307可有效提高淹水胁迫下绿豆叶片的生理功能及光合能力, 进而降低减产幅度, 但不同淹水时期和绿豆品种对S3307的调控响应存在差异。

关键词: 绿豆, 烯效唑(S3307), 淹水胁迫, 光合作用, 产量

Abstract:

Waterlogging stress is one of the main abiotic stresses during the growth and development of crops. It is of great significance to explore the mechanisms for improving the flood resistance and waterlogging resistance cultivation of mung bean under waterlogging stress. In this experiment, the effects of uniconazole (S3307) on physiology, photosynthesis and yield of mung bean leaves under waterlogging stress were investigated in pot culture with different flood resistance mung bean varieties Lufeng 2 and Lufeng 5 from 2017 to 2018. Under the stress of waterlogging at different growth stages, the chlorophyll content (SPAD) and photosynthetic characteristic parameters of mung beans leaves were significantly decreased, malondialdehyde (MDA) content was significantly increased. The yield reduction rate of mung beans under the stress of waterlogging was 24.70%-33.63% at the beginning bloom (R1 stage), and 18.07%-28.87% at the beginning seed (R5 stage). Both mung bean varieties showed that the effect of waterlogging stress at R1 stage was greater than that at R5 stage, and the flood resistance of Lufeng 2 was stronger than that of Lufeng 5. After S3307 sprayed, SPAD, net photosynthetic rate (Pn), transpiration rate (Tr), and stomatal conductance (Gs) in the leaves of mung beans could be significantly increased and MDA content could be significantly decreased. The remission rate of mung beans under waterlogging stress was 28.91%-52.34% at R1 stage, and 13.77%-27.36% at R5 stage. The results showed that S3307 sprayed on the leaf surface could effectively alleviate the physiological function and photosynthetic capacity of mung bean leaves under the stress of waterlogging, thus reduce the yield reduction, but there were differences in the regulatory response of mung bean varieties to S3307 in different waterlogging periods.

Key words: mung bean, uniconazole (S3307), waterlogging stress, photosynthesis, yield

图1

S3307对R1期和R5期淹水胁迫下绿豆叶片SPAD的影响 R1CK: 始花期对照; R1W: 始花期喷施蒸馏水后淹水胁迫处理; R1W+S: 始花期喷施S3307后淹水胁迫处理; R5CK: 始粒期对照; R5W: 始粒期喷施蒸馏水后淹水胁迫处理; R5W+S: 始粒期喷施S3307后淹水胁迫处理。R1-0: 始花期喷施蒸馏水或S3307; R1-5: 始花期后5 d (即喷药5 d后); R1-10: 始花期后10 d (即淹水5 d后); R1-15: 始花期后15 d (即胁迫解除5 d后), R5-0: 始粒期喷施蒸馏水或S3307; R5-5: 始粒期后5 d (即喷药5 d后); R5-10: 始粒期后10 d (即淹水5 d后); R5-15: 始粒期后15 d (即胁迫解除5 d后)。同天内标以不同字母的值在P = 0.05水平上差异显著。"

图2

S3307对R1期和R5期淹水胁迫下绿豆叶片MDA含量的影响 缩写同图1。同天内标以不同字母的值在P = 0.05水平上差异显著。"

图3

S3307对R1期和R5期淹水胁迫下绿豆叶片净光合速率的影响 缩写同图1。同天内标以不同字母的值在P = 0.05水平上差异显著。"

图4

S3307对R1期和R5期淹水胁迫下绿豆叶片蒸腾速率的影响 缩写同图1。同天内标以不同字母的值在P = 0.05水平上差异显著。"

图5

S3307对R1期和R5期淹水胁迫下绿豆叶片气孔导度的影响 缩写同图1。同天内标以不同字母的值在P = 0.05水平上差异显著。"

图6

S3307对R1期和R5期淹水胁迫下绿豆叶片胞间CO2浓度的影响 缩写同图1。同天内标以不同字母的值在P = 0.05水平上差异显著。"

表1

S3307对R1期和R5期淹水胁迫下绿豆产量及产量构成因素的影响(2017年)"

品种
Cultivar		 处理
Treatment		 单株荚数
Pods per plant		 单荚粒数
Seeds per pod		 百粒重
Hundred grain weight (g)		 单株产量
Yield per plant (g)
绿丰2号
Lufeng 2		 R1CK 18.55 ± 1.32 a 7.91 ± 0.43 a 3.60 ± 0.10 a 4.78 ± 0.06 a
R1W 13.25 ± 0.35 b 7.46 ± 0.29 a 3.69 ± 0.27 a 3.60 ± 0.46 b
R1W+S 19.70 ± 0.44 a 7.60 ± 0.27 a 3.76 ± 0.05 a 4.77 ± 0.09 a
绿丰5号
Lufeng 5		 R1CK 16.45 ± 1.12 a 9.23 ± 0.62 a 5.12 ± 0.01 a 7.19 ± 0.11 a
R1W 11.35 ± 0.69 b 8.36 ± 0.57 a 4.56 ± 0.06 b 5.07 ± 0.09 c
R1W+S 17.75 ± 0.48 a 8.75 ± 0.34 a 5.21 ± 0.05 a 6.53 ± 0.05 b
绿丰2号
Lufeng 2		 R5CK 18.55 ± 1.17 a 7.85 ± 0.42 a 3.65 ± 0.12 a 5.12 ± 0.11 a
R5W 18.50 ± 0.31 a 6.73 ± 0.16 b 3.21 ± 0.06 b 4.04 ± 0.86 b
R5W+S 18.70 ± 0.72 a 7.66 ± 0.42 a 3.66 ± 0.09 a 5.15 ± 0.03 a
绿丰5号
Lufeng 5		 R5CK 16.45 ± 1.01 a 9.02 ± 0.59 a 5.44 ± 0.09 a 6.93 ± 0.08 a
R5W 16.50 ± 0.66 a 7.64 ± 0.38 b 4.07 ± 0.25 b 5.18 ± 0.30 c
R5W+S 16.75 ± 0.48 a 8.20 ± 0.32 ab 4.44 ± 0.03 b 6.26 ± 0.09 b

表2

S3307对R1期和R5期淹水绿豆产量及产量构成因素的影响(2018年)"

品种
Cultivar		 处理
Treatment		 单株荚数
Pods per plant		 单荚粒数
Seeds per pod		 百粒重
Hundred grain weight (g)		 单株产量
Yield per plant (g)
绿丰2号
Lufeng 2		 R1CK 19.25 ± 0.94 a 7.71 ± 0.33 a 3.62 ± 0.06 a 4.87 ± 0.04 a
R1W 13.75 ± 0.40 b 7.31 ± 0.47 a 3.63 ± 0.27 a 3.55 ± 0.33 b
R1W+S 20.05 ± 0.28 a 7.45 ± 0.25 a 3.64 ± 0.06 a 4.75 ± 0.09 a
绿丰5号
Lufeng 5		 R1CK 16.70 ± 0.91 a 8.65 ± 0.45 a 5.20 ± 0.02 a 7.26 ± 0.08 a
R1W 11.90 ± 0.93 b 7.10 ± 0.36 b 5.28 ± 0.09 a 4.82 ± 0.12 b
R1W+S 18.00 ± 0.51 a 8.16 ± 0.44 ab 5.33 ± 0.05 a 7.34 ± 0.04 a
绿丰2号
Lufeng 2		 R5CK 19.25 ± 0.94 a 7.71 ± 0.33 a 3.62 ± 0.06 b 4.87 ± 0.04 a
R5W 19.00 ± 0.41 a 6.80 ± 0.12 b 3.95 ± 0.06 a 3.99 ± 0.08 c
R5W+S 19.60 ± 0.56 a 7.31 ± 0.31 ab 3.58 ± 0.12 b 4.54 ± 0.05 b
绿丰5号
Lufeng 5		 R5CK 16.70 ± 0.91 a 8.65 ± 0.45 a 5.20 ± 0.02 a 7.26 ± 0.08 a
R5W 16.30 ± 1.00 a 7.20 ± 0.49 c 5.02 ± 0.26 a 5.16 ± 0.31 c
R5W+S 16.85 ± 0.67 a 8.00 ± 0.28 b 5.07 ± 0.02 a 6.25 ± 0.06 b

表3

2017-2018年R1期和R5期淹水胁迫下绿豆单株产量的减产率及缓解率"

品种
Cultivar		 时期
Stage		 2017 2018
减产率
Yield reduction rate		 缓解率
Remission rate		 减产率
Yield reduction rate		 缓解率
Remission rate
绿丰2号
Lufeng 2		 R1 -24.70 32.40 -27.16 34.08
R5 -21.03 27.36 -18.07 13.77
绿丰5号
Lufeng 5		 R1 -29.54 28.91 -33.63 52.34
R5 -25.35 20.86 -28.87 21.18
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