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Acta Agronomica Sinica ›› 2021, Vol. 47 ›› Issue (4): 701-713.doi: 10.3724/SP.J.1006.2021.02037

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

Effects of delayed sowing and planting date on starch RVA profiles of different indica hybrid rice in the sub-suitable region of ratoon rice

YANG Fan1(), ZHONG Xiao-Yuan1, LI Qiu-Ping1, LI Shu-Xian1, LI Wu2, ZHOU Tao1, LI Bo1, YUAN Yu-Jie1, DENG Fei1, CHEN Yong1, REN Wan-Jun1,*()   

  1. 1College of Agronomy, Sichuan Agricultural University / Key Laboratory of Crop Physiology, Ecology, and Cultivation in Southwest China, Wenjiang 611130, Sichuan, China
    2Longchang Bureau of Agriculture and Rural Affairs, Longchang 642150, Sichuan, China
  • Received:2020-05-24 Accepted:2020-10-14 Online:2021-04-12 Published:2020-10-28
  • Contact: REN Wan-Jun E-mail:1276002485@qq.com;rwjun@126.com
  • Supported by:
    State Key Research and Development Program “Food Production Enhancement and Efficiency Innovation” Key Special Project(2017YFD03017-02);State Key Research and Development Program “Food Production Enhancement and Efficiency Innovation” Key Special Project(2018YFD030141-04);National Natural Science Foundation of China(31901442)

Abstract:

In order to explore the effect of sowing and planting date on the RVA profiles characteristics of indica hybrid rice, a two-factor split plot design with two indica hybrid rice varieties (Chuanyou 6203 and Yixiangyou 2115) and two sowing and planting date was conducted in Longchang and Qianwei in Sichuan province. The results showed that ecological condition, sowing and planting date, variety, and the interaction between sowing and planting date with ecological condition and variety had marked impact on the starch RVA profiles characteristic values of indica rice. In the sub-suitable region of ratoon rice, delayed sowing and planting date decreased the temperature, sunshine hours, and rainfall during grain filling period of rice, which resulted in the reduction in peak viscosity, hot paste viscosity, cool viscosity and breakdown viscosity, but increased in setback viscosity and peak time. Compared to ratoon rice, late sowing and planting date treatment increased peak viscosity and breakdown viscosity, and decreased cool viscosity, setback viscosity, consistence viscosity, peak time, and pasting temperature. The effect of sowing and planting date on the RVA spectrum of starch was different with ecological condition. Sowing and planting date leaded to greater variation in peak viscosity, setback viscosity, and breakdown viscosity in Qianwei compared with that of Longchang. Compared with Chuanyou 6203, sowing and planting date had greater influence on the peak viscosity and breakdown viscosity of Yixiangyou 2115. Overall, the starch RVA profiles characteristics of delayed sowing and planting date treatment was closer to the ratoon rice, which resulted in better cooking and eating quality of rice.

Key words: rice, ecological condition, sowing and planting date, starch RVA profiles, meteorological factors

Table 1

General situation of experimental location"

生态点
Location
经度
Longitude (E)
纬度
Latitude (N)
海拔高度
Altitude (m)
地理分区
Geographical regions
隆昌
Longchang
105°02′ 29°11′ 328 川东南丘陵区
Southeast hilly region of Sichuan
犍为
Qianwei
104°03′ 29°38′ 456 川西南丘陵区
Southwest hilly region of Sichuan

Table 2

Key phenological period of rice under each experimental treatment (month/day)"

生态点
Location
处理
Treatment
品种
Variety
播种期
Sowing
date
移栽期
Transplanting date
拔节期Jointing
stage
齐穗期
Full heading
stage
成熟期
Mature
stage
再生稻成熟期
Mature of
ratoon rice
2018
隆昌
Longchang
S1 V1 3/4 4/3 6/1 7/4 8/5 10/5
V2 3/4 4/3 6/1 7/5 8/6 10/6
S2 V1 5/13 6/12 7/20 8/16 9/28
V2 5/13 6/12 7/21 8/18 9/30
犍为
Qianwei
S1 V1 3/10 4/9 6/2 7/12 8/12 10/15
V2 3/10 4/9 6/3 7/13 8/13 10/16
S2 V1 5/10 6/9 7/15 8/15 9/25
V2 5/10 6/9 7/17 8/17 9/27
2019
隆昌
Longchang
S1 V1 3/4 4/3 5/28 7/7 8/9 10/12
V2 3/4 4/3 5/31 7/10 8/11 10/14
S2 V1 5/19 6/18 7/16 8/16 10/4
V2 5/19 6/18 7/18 8/20 10/6
犍为
Qianwei
S1 V1 3/10 4/9 6/2 7/11 8/12 10/16
V2 3/10 4/9 6/4 7/13 8/15 10/19
S2 V1 5/25 6/24 7/23 8/18 10/10
V2 5/25 6/24 7/25 8/22 10/13

Table 3

Soil conditions of experimental locations"

生态点
Location
年份
Year
pH 有机质
Organic matter
(g kg-1)
全氮
Total N content
(g kg-1)
全磷
Total P content
(g kg-1)
全钾
Total K content
(g kg-1)
碱解氮
Available N
(mg kg-1)
速效磷
Available P
(mg kg-1)
速效钾
Available K
(mg kg-1)
隆昌
Longchang
2018 6.92 19.72 1.37 0.93 10.89 149.36 88.68 85.59
2019 6.63 19.16 1.15 0.89 16.93 103.49 83.15 94.33
犍为
Qianwei
2018 6.79 16.44 1.19 0.79 11.45 97.10 84.22 99.67
2019 6.52 14.26 1.09 0.77 10.58 93.27 97.49 83.06

Fig. 1

Meteorological data of rice season in Longchang ecological location from 2018 to 2019"

Fig. 2

Meteorological data of rice season in Qianwei ecological location from 2018 to 2019"

Table 4

Combination analysis of variance of RVA profiles characteristic values by F-value"

年份
Year
因素
Factor
峰值黏度
PKV (RVU)
热浆黏度
HTV (RVU)
冷胶黏度
CPV (RVU)
消减值
SBV (RVU)
崩解值
BDV (RVU)
回复值
CSV (RVU)
峰值时间
PeT (min)
糊化温度
PaT (°C)
2018 L 6.86* 12.44** 2.50 2.09 0.01 6.41* 4.12 0.28
S 92.39** 19.07** 12.46** 242.43** 178.65** 61.63** 10.44** 10.49**
V 46.28** 10.68** 2.64 57.33** 60.63** 3.71 2.56 2.88
S×L 2.39 5.37* 6.50** 2.85 0.51 9.24** 0.52 0.21
S×V 15.56** 3.62* 2.26 12.97** 20.31** 0.86 1.35 0.09
V×L 1.00 0.21 0.42 0.23 1.39 0.72 0.67 0.29
S×V×L 0.57 0.20 0.49 0.05 0.60 1.02 1.68 1.72
2019 L 43.66** 14.65** 10.31** 5.51* 23.11** 1.29 4.33* 14.84**
S 37.72** 1.83 1.37 57.91** 62.90** 20.27** 3.90* 17.11**
V 19.94** 0.38 3.58 48.52** 38.54** 27.46** 6.14* 47.48**
S×L 9.79** 0.08 0.33 14.67** 22.43** 2.90 1.16 14.28**
S×V 7.74** 2.13 1.00 2.79 5.59** 0.22 0.67 11.34**
V×L 0.18 1.11 0.00 0.17 0.79 2.72 0.55 0.01
S×V×L 2.22 0.53 0.75 0.28 2.40 2.13 0.18 5.35*

Table 5

Effects of seeding and planting date on RVA profiles"

年份
Year
播栽期
SAPD
峰值黏度
PKV
(RVU)
热浆黏度
HTV
(RVU)
冷胶黏度
CPV
(RVU)
消减值
SBV
(RVU)
崩解值
BDV
(RVU)
回复值
CSV
(RVU)
峰值时间
PeT
(min)
糊化温度
PaT
(°C)
2018 S1 264.83 a 138.66 a 220.70 a -42.13 c 126.18 a 80.04 b 5.94 b 78.95 b
S2 217.14 b 110.90 b 197.58 b -19.56 b 106.24 b 86.67 b 5.93 b 82.26 b
RR 180.95 c 118.76 b 227.43 a 46.48 a 62.19 c 108.68 a 6.07 a 87.23 a
平均Mean 220.97 A 122.77 A 215.90 B -5.07 A 98.20 A 93.13 B 5.98 B 82.81 A
2019 S1 250.94 a 136.67 a 233.90 a -17.04 c 114.27 a 97.23 b 6.06 b 75.35 b
S2 226.59 b 128.93 a 235.70 a 9.11 b 97.66 b 106.77 b 6.19 a 78.22 ab
RR 200.15 c 126.73 a 245.76 a 45.61 a 73.42 c 119.03 a 6.19 a 82.83 a
平均Mean 225.89 A 130.78 A 238.45 A 12.56 A 95.12 A 107.68 A 6.14 A 78.80 B

Table 6

Influence of interaction of place and sowing and planting date on RVA profiles"

生态点Location 播栽期
SAPD
峰值黏度
PKV
(RVU)
热浆黏度
HTV
(RVU)
冷胶黏度
CPV
(RVU)
消减值
SBV
(RVU)
崩解值
BDV
(RVU)
回复值
CSV
(RVU)
峰值时间
PeT
(min)
糊化温度
PaT
(°C)
2018
隆昌
Longchang
S1 275.26 a 151.14 a 231.59 a -43.68 b 124.13 a 80.45 b 5.97 b 79.21 b
S2 215.94 b 108.99 b 188.53 b -27.42 b 106.96 a 79.54 b 5.94 b 81.69 ab
RR 191.57 b 128.21 b 240.58 a 48.48 a 63.36 b 111.84 a 6.12 a 86.35 a
平均Mean 227.95 A 129.45 A 220.06 A -7.54 A 98.15 A 90.61 A 6.01 A 82.42 A
犍为
Qianwei
S1 254.40 a 126.18 a 213.82 a -40.58 c 128.22 a 87.64 b 5.92 b 78.68 b
S2 218.33 b 112.82 b 206.63 a -11.71 b 105.51 b 93.81 b 5.91 b 82.83 ab
RR 170.33 c 109.31 b 214.81 a 44.47 a 61.03 c 105.50 a 6.02 a 88.11 a
平均Mean 214.36 A 116.10 B 211.75 A -2.61 A 98.25 A 95.65 A 5.95 A 83.21 A
2019
隆昌
Longchang
S1 253.58 a 144.04 a 247.63 a -5.96 b 109.54 a 103.59 b 6.12 a 76.28 a
S2 242.60 a 138.42 a 244.26 a 1.65 ab 104.19 a 105.84 ab 6.26 a 77.03 a
RR 228.67 a 135.47 a 253.85 a 25.18 a 93.20a 118.38 a 6.19 a 77.02 a
平均Mean 241.62 A 139.31 A 248.58 A 6.96 A 102.31 A 109.27 A 6.19 A 76.77 A
犍为
Qianwei
S1 248.29 a 129.29 a 220.17 a -28.12 c 119.00 a 90.88 b 5.99 b 74.43 b
S2 210.58 b 119.45 a 227.15 a 16.57 b 91.14 b 107.71 a 6.11 ab 79.41 b
RR 171.63 c 117.98 a 237.67 a 66.03 a 53.65 c 119.69 a 6.19 a 88.64 a
平均Mean 210.17 B 122.24 B 228.33 B 18.16 A 87.93 A 106.09 A 6.10 A 80.83 A

Table 7

Effects of variety and sowing and planting date on RVA profiles"

品种
Variety
播栽期
SAPD
峰值黏度PKV
(RVU)
热浆黏度HTV
(RVU)
冷胶黏度CPV
(RVU)
消减值
SBV
(RVU)
崩解值
BDV
(RVU)
回复值
CSV
(RVU)
峰值时间PeT
(min)
糊化温度
PaT
(°C)
2018
川优6203
Chuanyou
6203
S1 232.1 a 126.7 a 213.4 ab -18.7 c 105.4 a 86.6 b 6.0 ab 80.5 b
S2 196.9 b 103.8 b 190.6 b -6.3 b 93.1 b 86.8 b 5.9 b 83.1 b
RR 182.4 b 119.2 ab 230.9 a 48.6 a 63.1 c 111.7 a 6.1 a 88.6 a
平均Mean 203.8 B 116.6 A 211.6 A 7.9 A 87.2 B 95.1 A 6.0 A 84.1 A
宜香优2115
Yixiangyou
2115
S1 297.6 a 150.6 a 232.1 a -65.5 c 147.0 a 81.4 b 5.9 b 77.4 b
S2 237.4 b 118.0 b 204.6 b -32.8 b 119.4 b 86.6 b 5.9 b 81.4 ab
RR 179.6 c 118.3 b 223.9 ab 44.4 a 61.3 c 105.6 a 6.1 a 85.9 a
平均Mean 238.2 A 129.0 A 220.2 A -18.0 A 109.2 A 91.2 A 6.0 A 81.6 A
2019
川优6203
Chuanyou
603
S1 227.2 a 129.3 a 234.7 a 7.5 b 97.9 a 105.4 b 6.1 a 76.0 b
S2 220.4 a 128.4 a 241.2 a 20.8 b 92.1 a 112.8 b 6.2 a 85.0 a
RR 198.1 a 130.5 a 257.4 a 59.3 a 67.5 b 126.9 a 6.3 a 86.3 a
平均Mean 215.2 A 129.4 A 244.4 A 29.2 A 85.8 B 115.0 A 6.2 A 82.4 A
宜香优2115
Yixiangyou
2115
S1 274.7 a 144.1 a 233.1 a -41.6 c 130.6 a 89.1 b 6.0 b 74.7 ab
S2 232.8 b 129.5 ab 230.2 a -2.5 b 103.3 b 100.7 ab 6.1 ab 71.4 b
RR 202.2 c 122.9 b 234.1 a 31.9 a 79.3 c 111.2 a 6.2 a 79.4 a
平均Mean 236.6 A 132.2 A 232.5 A -4.1 B 104.4 A 100.3 B 6.1 B 75.2 B

Table 8

Meteorological factors were correlated with the characteristic values of RVA"

生育时期
Growth
stage
气象因子
Meteorological
factor
峰值黏度
PKV
(RVU)
热浆黏度
HTV
(RVU)
冷胶黏度
CPV
(RVU)
消减值
SBV
(RVU)
崩解值
BDV
(RVU)
回复值
CSV
(RVU)
峰值时间
PeT
(min)
糊化温度
PaT
(°C)
抽穗期至
灌浆盛期
Heading-peak filling stage
X1 0.507** 0.100 -0.265* -0.659** 0.642** -0.528** -0.255* -0.308**
X2 0.503** 0.102 -0.337** -0.699** 0.636** -0.643** -0.376** -0.260*
X3 0.388** 0.072 -0.099 -0.441** 0.459** -0.236* -0.020 -0.302*
X4 0.503** 0.099 -0.301* -0.676** 0.638** -0.582** -0.309** -0.278*
X5 0.504** 0.100 -0.299* -0.677** 0.638** -0.582** -0.309** -0.278*
X6 0.222 0.127 -0.340** -0.425** 0.390** -0.385** -0.263* -0.026
X7 0.399** 0.234* -0.125 -0.467** 0.406** -0.463** -0.352** -0.256*
灌浆盛期至
成熟期
Peak silling stage-maturity
X1 0.744** 0.413** -0.077 -0.776** 0.762** -0.594** -0.326** -0.491**
X2 0.717** 0.371** -0.106 -0.788** 0.370** -0.620** -0.358** -0.469**
X3 0.701** 0.431** 0.005 -0.683** 0.701** -0.486** -0.223** -0.485**
X4 0.738** 0.397** -0.124 -0.778** 0.775** -0.619** -0.367** -0.459**
X5 0.336** 0.154 -0.022 -0.342** 0.727** -0.211 0.094 -0.285**
X6 0.702** 0.394** -0.098 -0.747** 0.510** -0.603** -0.243* -0.415**
X7 0.515** 0.324** -0.002 -0.505** 0.594** -0.375** -0.164 -0.351**
全生育期
Whole growth period
X1 0.127 -0.191 -0.342** -0.334** 0.299* -0.315** -0.214 -0.099
X2 -0.244* -0.343** -0.270* 0.074 -0.120 -0.028 -0.040 0.187
X3 0.629** 0.225 -0.165 -0.717** 0.732** -0.516** -0.316** -0.484**
X4 -0.062 -0.278* -0.330** -0.142 0.092 -0.197 -0.149 0.061
X5 0.612** 0.159 -0.284* -0.773** 0.751** -0.625** -0.335** -0.456**
X6 0.583** 0.112 -0.405** -0.819** 0.740** -0.761** -0.534** -0.296*
X7 0.583** 0.087 -0.329** -0.728** 0.694** -0.614** -0.363** -0.426**
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