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Acta Agronomica Sinica ›› 2022, Vol. 48 ›› Issue (1): 151-164.doi: 10.3724/SP.J.1006.2022.11005

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

Physiological mechanisms of pre-anthesis waterlogging priming on waterlogging stress tolerance under post-anthesis in wheat

MA Bo-Wen(), LI Qing, CAI Jian, ZHOU Qin, HUANG Mei, DAI Ting-Bo, WANG Xiao*(), JIANG Dong*()   

  1. College Agronomy, Nanjing Agricultural University / Key Laboratory of Crop Physiology Ecology and Production Management of Ministry of Agriculture, Nanjing 210095, Jiangsu, China
  • Received:2021-01-10 Accepted:2021-04-14 Online:2022-01-12 Published:2021-06-02
  • Contact: WANG Xiao,JIANG Dong E-mail:2017101016@njau.edu.cn;xiaowang@njau.edu.cn;jiangd@njau.edu.cn
  • Supported by:
    National Key Research and Development Program of China(2016YFD0300107);National Key Research and Development Program of China(2017YFD0300205);National Natural Science Foundation of China(31771693);National Natural Science Foundation of China(U1803235);China Agriculture Research System(CARS-03);Jiangsu Collaborative Innovation Center for Modern Crop Production(JCIC-MCP)

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Abstract:

In order to investigate the responses and mechanisms of different wheat varieties to waterlogging stress and waterlogging priming, waterlogging priming was conducted for two days at the four-leaf and six-leaf stages, respectively, and waterlogging stress was performed for five days at post-anthesis using wheat varieties with different responses to waterlogging stress and waterlogging priming as experimental materials. Results showed that waterlogging stress significantly reduced chlorophyll content (SPAD) and actual photochemical efficiency (ΦPSII), inhibited the accumulation of post-anthesis photosynthetic assimilation accumulation (PAA), decreased kernel weight and grain yield. Compared with the waterlogging-sensitive varieties, the waterlogging-tolerance varieties could maintain higher SPAD, ΦPSII and PAA, and higher activities of superoxide dismutase (SOD), Catalase (CAT), ascorbate peroxidase (APX) and glutathione reductase (GR), lower contents of H2O2, O2?production rate and malondialdehyde (MDA) under post-anthesis waterlogging stress. Compared with non-primed plants, primed plants could maintain higher chlorophyll fluorescence performance and higher activities of antioxidant enzymes. Compared with the waterlogging priming-insensitive varieties, the priming-sensitive varieties increased SPAD (8.8%) and ΦPSII (17.6%), decreased the non-regulated energy dissipation ΦNO (10.7%) and the regulation energy dissipation ΦNPQ (16.5%), increased the activities of SOD (15.8%), CAT (17.8%), APX (8.9%) and GR (30.7%), increased the contents of total soluble sugar (17.5%) and sucrose (21.6%), increased remobilization efficiency of pre-anthesis stored dry matter (REP, 20.0%) and PAA (10.8%). The waterlogging tolerant varieties could maintain higher photosynthesis rate, dry matter translocation capacity and activities of antioxidant enzymes. Compared with waterlogging sensitive varieties, the increase amplitude of photosynthetic ability and antioxidant enzyme activity of priming-sensitive cultivars was higher under waterlogging stress.

Key words: wheat, waterlogging stress, waterlogging priming, fluorescence parameters, antioxidant capacity

Table 1

Soil properties at the beginning of the experiments in the two growing seasons"

年份
Year		 有机质
Organic matter
(g kg-1)		 全氮
Total nitrogen
(g kg-1)		 速效氮
Available nitrogen
(mg kg-1)		 速效磷
Available phosphorus
(mg kg-1)		 速效钾
Available potassium
(mg kg-1)
2018-2019 17.63 1.02 28.03 18.90 130.66
2019-2020 16.34 0.99 30.95 23.02 137.46

Table 2

The wheat varieties used in this study"

编号
No.		 品种名称
Variety		 类型
Type		 编号
No.		 品种名称
Variety		 类型
Type
1 淮麦22 Huaimai 22 锻炼敏感且耐渍 ST 9 师栾02-1 Shiluan 02-1 锻炼不敏感且耐渍 IT
2 齐大195 Qida 195 锻炼敏感且耐渍 ST 10 汶农17 Wennong 17 锻炼不敏感且耐渍 IT
3 扬麦20 Yangmai 20 锻炼敏感且耐渍 ST 11 周麦27 Zhoumai 27 锻炼不敏感且耐渍 IT
4 镇麦10 Zhenmai 10 锻炼敏感且耐渍 ST 12 扬麦9号 Yangmai 9 锻炼不敏感且耐渍 IT
5 衡4399 Heng 4399 锻炼敏感且不耐渍 SI 13 济麦22 Jimai 22 锻炼不敏感且不耐渍 II
6 京冬22 Jingdong 22 锻炼敏感且不耐渍 SI 14 济南矮6号 Jinanai 6 锻炼不敏感且不耐渍 II
7 鲁垦麦9号 Lukenmai 9 锻炼敏感且不耐渍 SI 15 石麦22 Shimai 22 锻炼不敏感且不耐渍 II
8 郑麦004 Zhengmai 004 锻炼敏感且不耐渍 SI 16 中麦175 Zhongmai 175 锻炼不敏感且不耐渍 II

Fig. 1

Soil redox potential (Eh) under waterlogging priming and post-anthesis waterlogging stress in wheat C: no pre-anthesis waterlogging priming treatment; P: pre-anthesis waterlogging priming treatment; CK: control treatment; PW: pre-anthesis waterlogging priming and post-anthesis waterlogging stress treatment; NW: no pre-anthesis waterlogging priming and post-anthesis waterlogging stress treatment."

Table 3

Effects of waterlogging priming on grain yield and yield components under post-anthesis waterlogging stress"

品种
Variety		 处理
Treatment		 2019 2020
穗数 穗粒数 千粒重 产量 穗数 穗粒数 千粒重 产量
Spikes Kernels 1000-kernel Grain yield Spikes Kernels 1000-kernel Grain yield
pot-1 spike-1 weight (g) (g plot-1) pot-1 spike-1 weight (g) (g plot-1)
1 CK 22.5 a 38.0 a 52.1 a 44.5 a 24.7 a 37.8 a 49.9 a 46.6 a
PW 22.5 a 40.6 a 47.9 ab 43.7 ab 24.7 a 37.9 a 49.3 a 46.1 a
NW 22.0 a 41.1 a 45.5 b 41.1 b 24.7 a 37.5 a 46.9 b 43.3 b
2 CK 26.0 a 40.3 a 33.4 a 35.0 a 24.3 a 39.5 a 33.7 a 32.3 a
PW 26.5 a 42.3 a 30.1 a 33.7 ab 24.7 a 40.6 a 30.8 b 30.8 ab
NW 26.0 a 44.9 a 28.1a 32.5 b 24.3 a 40.1 a 29.9 c 29.2 b
3 CK 20.5 a 42.2 a 37.2 a 32.2 a 20.0 a 42.1 b 37.0 a 31.1 a
PW 21.0 a 42.0 a 35.5 a 31.2 a 20.0 a 42.8 ab 35.1 a 30.0 a
NW 20.5 a 43.7 a 33.3 a 29.8 b 19.3 a 43.5 a 32.0 b 26.9 b
4 CK 21.5 a 34.8 a 44.0 a 32.8 a 18.3 a 35.5 a 44.1 a 28.7 a
PW 20.5 a 35.6 a 43.4 a 31.7 a 19.3 a 33.9 a 43.6 a 28.6 a
NW 20.5 a 38.6 a 37.8 b 29.9 b 19.0 a 34.2 a 40.0 b 26.0 a
5 CK 22.0 a 36.6 a 51.8 a 41.7 a 23.0 a 38.3 a 51.4 a 45.3 a
PW 22.5 a 36.3 a 46.2 ab 37.7 ab 23.3 a 38.7 a 40.7 b 36.7 b
NW 22.0 a 37.3 a 40.4 b 33.1 b 21.7 a 39.9 a 38.3 c 33.1 b
6 CK 19.5 a 27.8 a 61.6 a 33.4 a 26.3 a 28.6 a 59.2 a 44.7 a
PW 20.5 a 27.4 a 47.6 b 26.7 b 26.7 a 28.1 a 55.3 b 41.3 b
NW 20.5 a 26.6 a 45.7 b 24.9 b 25.7 a 29.3 a 47.7 c 35.9 c
7 CK 24.0 a 42.7 a 45.6 a 46.7 a 29.3 a 42.3 a 44.1 a 54.7 a
PW 24.0 a 43.5 a 36.9 b 38.5 b 29.3 a 43.8 a 37.4 b 48.1 b
NW 23.5 a 41.9 a 34.4 b 33.9 b 30.0 a 42.7 a 33.0 c 42.3 c
8 CK 17.0 a 40.1 a 50.3 a 34.3 a 21.3 a 38.2 a 47.4 a 38.6 a
PW 17.0 a 40.4 a 38.6 b 26.5 b 22.0 a 37.3 a 39.7 b 32.6 b
NW 16.5 a 38.9 a 34.8 b 22.3 c 21.3 a 37.5 a 37.5 c 29.9 b
9 CK 21.5 a 31.7 a 49.0 a 33.3 a 32.7 a 31.7 a 44.7 a 46.1 a
PW 22.0 a 33.9 a 43.4 a 32.3 a 33.0 a 31.6 a 42.3 b 44.1 a
NW 22.0 a 32.2 a 44.7 a 31.7 a 32.3 a 31.6 a 42.2 b 43.1 a
10 CK 22.0 a 37.6 a 50.0 a 41.1 a 22.7 a 38.7 a 47.9 a 42.0 a
PW 21.5 a 39.8 a 45.2 b 38.5 a 23.0 a 37.8 a 47.1 a 40.9 a
NW 21.5 a 39.7 a 45.9 b 39.1 a 23.0 a 37.3 a 46.5 a 39.8 a
11 CK 23.0 a 29.3 a 43.1 a 29.0 a 24.7 a 29.5 a 41.4 a 30.1 a
PW 22.5 a 31.4 a 39.6 b 27.9 a 23.7 a 30.1 a 40.6 a 28.9 a
NW 23.0 a 32.3 a 37.3 b 27.7 a 23.3 a 31.2 a 37.3 b 27.2 a
12 CK 20.5 a 48.2 a 31.3 a 32.4 a 12.7 a 49.6 a 32.6 a 20.4 a
PW 19.5 a 51.9 a 30.2 a 30.6 a 12.0 a 50.7 a 33.2 a 20.2 a
NW 19.5 a 50.3 a 30.1 a 31.5 a 12.0 a 51.3 a 31.2 b 19.2 a
13 CK 23.0 a 40.2 a 53.2 a 49.2 a 26.3 a 40.1 a 48.8 a 51.6 a
PW 22.5 a 41.0 a 37.2 b 34.2 b 26.0 a 39.6 a 40.4 b 41.5 b
NW 23.0 a 40.1 a 36.5 b 33.6 b 24.7 a 41.0 a 41.7 b 42.2 b
14 CK 23.5 a 27.3 a 62.9 a 40.4 a 28.7 a 26.2 a 54.3 a 40.7 a
PW 23.5 a 26.5 a 43.2 b 26.9 b 28.3 a 25.9 a 45.3 b 33.2 b
品种
Variety		 处理
Treatment		 2019 2020
穗数 穗粒数 千粒重 产量 穗数 穗粒数 千粒重 产量
Spikes Kernels 1000-kernel Grain yield Spikes Kernels 1000-kernel Grain yield
pot-1 spike-1 weight (g) (g plot-1) pot-1 spike-1 weight (g) (g plot-1)
NW 23.5 a 26.6 a 41.6 b 26.0 b 27.3 a 27.1 a 45.7 b 33.9 b
15 CK 27.5 a 24.9 a 53.6 a 36.8 a 35.0 a 24.1 a 51.4 a 43.3 a
PW 26.5 a 24.3 a 43.8 b 28.2 b 35.0 a 24.6 a 36.8 b 31.7 b
NW 25.0 a 25.3 a 43.0 b 27.1 b 36.0 a 23.7 a 35.1 c 30.0 b
16 CK 19.0 a 35.6 a 51.8 a 35.0 a 16.7 a 36.2 a 50.1 a 30.1 a
PW 19.0 a 35.0 a 43.4 b 28.8 b 16.3 a 35.7 a 40.1 b 23.4 b
NW 20.0 a 34.6 a 42.1 b 29.1 b 16.3 a 36.7 a 37.6 c 22.6 b

Fig. 2

Effects of waterlogging priming on SPAD and ΦPSII under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 3

Effects of waterlogging priming on ΦNO and ΦNPQ under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 4

Effects of waterlogging priming on dry matter accumulation and translocation under post-anthesis waterlogging stress in wheat RAP: remobilization amount of pre-anthesis stored dry matter; REP: remobilization efficiency of pre-anthesis stored dry matter; CTA: contribution of pre-anthesis stored dry matter; PAA: post-anthesis photosynthetic assimilates accumulation. Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 5

Effects of waterlogging priming on the contents of soluble total sugar and sucrose under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 6

Effects of waterlogging priming on O2? production rate and H2O2 content under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 7

Effects of waterlogging priming on MDA content under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 8

Effects of waterlogging priming on the activities of SOD and CAT under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

Fig. 9

Effects of waterlogging priming on the activities of GR and APX under post-anthesis waterlogging stress in wheat Different lowercase letters indicate significant differences at P < 0.05 among different treatments of each variety. Varieties are as the same as in Table 2. Treatments are the same as those given in Fig. 1."

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