Chinese Journal OF Rice Science ›› 2024, Vol. 38 ›› Issue (1): 48-56.DOI: 10.16819/j.1001-7216.2024.230401
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WU Ziniu, HE Limei, XIONG Ying, CHEN Kairui, YANG Zhiyuan, SUN Yongjian, LÜ Xu, MA Jun*()
Received:
2023-04-03
Revised:
2023-11-09
Online:
2024-01-10
Published:
2024-01-16
Contact:
* email: 吴子牛, 何丽梅, 熊莹, 陈凯瑞, 杨志远, 孙永健, 吕旭, 马均*()
通讯作者:
* email:基金资助:
WU Ziniu, HE Limei, XIONG Ying, CHEN Kairui, YANG Zhiyuan, SUN Yongjian, LÜ Xu, MA Jun. Effect of Nitrogen Fertilizer Topdressing for Panicle Differentiation on Grain Filling of Hybrid indica Rice and Its Relationship with the Activities of Key Enzymes for Starch Synthesis[J]. Chinese Journal OF Rice Science, 2024, 38(1): 48-56.
吴子牛, 何丽梅, 熊莹, 陈凯瑞, 杨志远, 孙永健, 吕旭, 马均. 氮素穗肥对杂交籼稻籽粒灌浆影响及其与淀粉合成关键酶活性间关系[J]. 中国水稻科学, 2024, 38(1): 48-56.
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URL: http://www.ricesci.cn/EN/10.16819/j.1001-7216.2024.230401
年份 Year | 全氮 Total nitrogen /(g·kg−1) | 碱解氮 Alkaline hydrolyzed nitrogen/(mg·kg−1) | 速效磷 Available phosphorus/(mg·kg−1) | 有效钾 Available potassium/(mg·kg−1) | 有机质 Organic matter /(mg·kg−1) | pH值 pH value |
---|---|---|---|---|---|---|
2020 | 2.24 | 123.50 | 36.01 | 171.93 | 26.21 | 5.88 |
2021 | 1.78 | 90.41 | 32.65 | 145.56 | 30.02 | 6.01 |
Table 1. Soil physical and chemical properties at experimental site in 2020 and 2021.
年份 Year | 全氮 Total nitrogen /(g·kg−1) | 碱解氮 Alkaline hydrolyzed nitrogen/(mg·kg−1) | 速效磷 Available phosphorus/(mg·kg−1) | 有效钾 Available potassium/(mg·kg−1) | 有机质 Organic matter /(mg·kg−1) | pH值 pH value |
---|---|---|---|---|---|---|
2020 | 2.24 | 123.50 | 36.01 | 171.93 | 26.21 | 5.88 |
2021 | 1.78 | 90.41 | 32.65 | 145.56 | 30.02 | 6.01 |
Fig. 1. Grain weight dynamics and grain filling curve of indica hybrid rice at various nitrogen fertilizer topdressing levels for panicle differentiation (left: J1319; right: R702).
品种 Varieties | 处理 Treatment | R0 | Tmax | Gmax | Gmean | D | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
强势粒S | 弱势粒I | 强势粒S | 弱势粒I | 强势粒S | 弱势粒I | 强势粒S | 弱势粒I | 强势粒S | 弱势粒I | ||||||
J1319 | CK | 0.555 | 0.113 | 7.469 | 29.029 | 2.216 | 0.635 | 1.506 | 0.409 | 18.022 | 32.355 | ||||
N1 | 0.571 | 0.120 | 9.960 | 27.707 | 2.174 | 0.632 | 1.453 | 0.391 | 17.161 | 21.745 | |||||
N2 | 0.642 | 0.133 | 8.110 | 28.855 | 2.253 | 0.670 | 1.531 | 0.424 | 17.133 | 26.977 | |||||
N3 | 0.557 | 0.132 | 8.466 | 27.829 | 2.113 | 0.581 | 1.432 | 0.372 | 17.719 | 26.563 | |||||
R702 | CK | 0.421 | 0.157 | 7.107 | 28.209 | 1.911 | 0.883 | 1.298 | 0.567 | 14.771 | 22.014 | ||||
N1 | 0.538 | 0.164 | 6.594 | 27.777 | 1.853 | 0.840 | 1.259 | 0.543 | 15.592 | 24.301 | |||||
N2 | 0.582 | 0.185 | 7.164 | 27.751 | 1.990 | 0.798 | 1.352 | 0.523 | 13.446 | 23.685 | |||||
N3 | 0.467 | 0.180 | 7.197 | 28.902 | 2.090 | 0.674 | 1.420 | 0.445 | 13.104 | 27.237 |
Table 2. Grain filling parameters of indica hybrid rice at various nitrogen fertilizer levels for panicle initiation.
品种 Varieties | 处理 Treatment | R0 | Tmax | Gmax | Gmean | D | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
强势粒S | 弱势粒I | 强势粒S | 弱势粒I | 强势粒S | 弱势粒I | 强势粒S | 弱势粒I | 强势粒S | 弱势粒I | ||||||
J1319 | CK | 0.555 | 0.113 | 7.469 | 29.029 | 2.216 | 0.635 | 1.506 | 0.409 | 18.022 | 32.355 | ||||
N1 | 0.571 | 0.120 | 9.960 | 27.707 | 2.174 | 0.632 | 1.453 | 0.391 | 17.161 | 21.745 | |||||
N2 | 0.642 | 0.133 | 8.110 | 28.855 | 2.253 | 0.670 | 1.531 | 0.424 | 17.133 | 26.977 | |||||
N3 | 0.557 | 0.132 | 8.466 | 27.829 | 2.113 | 0.581 | 1.432 | 0.372 | 17.719 | 26.563 | |||||
R702 | CK | 0.421 | 0.157 | 7.107 | 28.209 | 1.911 | 0.883 | 1.298 | 0.567 | 14.771 | 22.014 | ||||
N1 | 0.538 | 0.164 | 6.594 | 27.777 | 1.853 | 0.840 | 1.259 | 0.543 | 15.592 | 24.301 | |||||
N2 | 0.582 | 0.185 | 7.164 | 27.751 | 1.990 | 0.798 | 1.352 | 0.523 | 13.446 | 23.685 | |||||
N3 | 0.467 | 0.180 | 7.197 | 28.902 | 2.090 | 0.674 | 1.420 | 0.445 | 13.104 | 27.237 |
品种 Variety | 粒位 Grain position | 处理 Treatment | 前期Early stage | 中期Middle stage | 后期Late stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
天数 Days/d | 平均速率 MGR /(mg·d−1grain−1) | 贡献率 RGC/% | 天数 Days/d | 平均速率 MGR /(mg·d−1grain−1) | 贡献率 RGC/% | 天数 Days/d | 平均速率 MGR /(mg·d−1grain−1) | 贡献率 RGC/% | |||||
J1319 | S | CK | 3.13 | 0.63 | 7.30 | 8.67 | 1.91 | 60.96 | 16.39 | 0.51 | 30.74 | ||
N1 | 6.16 | 0.82 | 20.15 | 7.61 | 1.90 | 58.12 | 9.72 | 0.53 | 20.74 | ||||
N2 | 4.00 | 0.54 | 8.18 | 8.23 | 1.94 | 60.95 | 15.07 | 0.52 | 29.87 | ||||
N3 | 4.28 | 0.71 | 12.06 | 8.36 | 1.83 | 60.49 | 13.50 | 0.50 | 26.45 | ||||
I | CK | 22.96 | 0.19 | 33.80 | 12.14 | 0.56 | 51.59 | 10.81 | 0.17 | 13.61 | |||
N1 | 24.36 | 0.16 | 45.49 | 6.70 | 0.56 | 44.41 | 4.35 | 0.18 | 9.10 | ||||
N2 | 24.21 | 0.18 | 39.19 | 9.30 | 0.59 | 48.42 | 7.18 | 0.18 | 11.39 | ||||
N3 | 22.97 | 0.15 | 35.53 | 9.71 | 0.52 | 50.60 | 8.26 | 0.15 | 12.87 | ||||
R702 | S | CK | 3.57 | 0.49 | 9.22 | 7.07 | 1.65 | 60.88 | 12.50 | 0.44 | 28.90 | ||
N1 | 2.84 | 0.51 | 7.35 | 7.50 | 1.60 | 60.96 | 14.15 | 0.43 | 30.69 | ||||
N2 | 3.93 | 0.36 | 7.70 | 6.46 | 1.71 | 60.96 | 12.04 | 0.46 | 30.34 | ||||
N3 | 4.04 | 0.34 | 7.30 | 6.31 | 1.80 | 60.96 | 11.91 | 0.48 | 30.74 | ||||
I | CK | 24.12 | 0.18 | 34.42 | 8.18 | 0.78 | 51.24 | 7.17 | 0.23 | 13.34 | |||
N1 | 23.12 | 0.18 | 32.32 | 9.31 | 0.74 | 52.41 | 8.62 | 0.22 | 14.27 | ||||
N2 | 22.95 | 0.15 | 28.05 | 9.61 | 0.70 | 54.63 | 9.95 | 0.20 | 16.32 | ||||
N3 | 23.18 | 0.13 | 25.21 | 11.44 | 0.59 | 55.99 | 12.76 | 0.17 | 17.80 |
Table 3. Characteristics of grain filling of indica hybrid rice at various nitrogen fertilizer levels for panicle initiation.
品种 Variety | 粒位 Grain position | 处理 Treatment | 前期Early stage | 中期Middle stage | 后期Late stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
天数 Days/d | 平均速率 MGR /(mg·d−1grain−1) | 贡献率 RGC/% | 天数 Days/d | 平均速率 MGR /(mg·d−1grain−1) | 贡献率 RGC/% | 天数 Days/d | 平均速率 MGR /(mg·d−1grain−1) | 贡献率 RGC/% | |||||
J1319 | S | CK | 3.13 | 0.63 | 7.30 | 8.67 | 1.91 | 60.96 | 16.39 | 0.51 | 30.74 | ||
N1 | 6.16 | 0.82 | 20.15 | 7.61 | 1.90 | 58.12 | 9.72 | 0.53 | 20.74 | ||||
N2 | 4.00 | 0.54 | 8.18 | 8.23 | 1.94 | 60.95 | 15.07 | 0.52 | 29.87 | ||||
N3 | 4.28 | 0.71 | 12.06 | 8.36 | 1.83 | 60.49 | 13.50 | 0.50 | 26.45 | ||||
I | CK | 22.96 | 0.19 | 33.80 | 12.14 | 0.56 | 51.59 | 10.81 | 0.17 | 13.61 | |||
N1 | 24.36 | 0.16 | 45.49 | 6.70 | 0.56 | 44.41 | 4.35 | 0.18 | 9.10 | ||||
N2 | 24.21 | 0.18 | 39.19 | 9.30 | 0.59 | 48.42 | 7.18 | 0.18 | 11.39 | ||||
N3 | 22.97 | 0.15 | 35.53 | 9.71 | 0.52 | 50.60 | 8.26 | 0.15 | 12.87 | ||||
R702 | S | CK | 3.57 | 0.49 | 9.22 | 7.07 | 1.65 | 60.88 | 12.50 | 0.44 | 28.90 | ||
N1 | 2.84 | 0.51 | 7.35 | 7.50 | 1.60 | 60.96 | 14.15 | 0.43 | 30.69 | ||||
N2 | 3.93 | 0.36 | 7.70 | 6.46 | 1.71 | 60.96 | 12.04 | 0.46 | 30.34 | ||||
N3 | 4.04 | 0.34 | 7.30 | 6.31 | 1.80 | 60.96 | 11.91 | 0.48 | 30.74 | ||||
I | CK | 24.12 | 0.18 | 34.42 | 8.18 | 0.78 | 51.24 | 7.17 | 0.23 | 13.34 | |||
N1 | 23.12 | 0.18 | 32.32 | 9.31 | 0.74 | 52.41 | 8.62 | 0.22 | 14.27 | ||||
N2 | 22.95 | 0.15 | 28.05 | 9.61 | 0.70 | 54.63 | 9.95 | 0.20 | 16.32 | ||||
N3 | 23.18 | 0.13 | 25.21 | 11.44 | 0.59 | 55.99 | 12.76 | 0.17 | 17.80 |
年份 Year | 品种 Variety | 处理 Treatment | 直链淀粉含量 Amylose content/% | 年份 Year | 品种 Variety | 处理 Treatment | 直链淀粉含量 Amylose content/% |
---|---|---|---|---|---|---|---|
2020 | J1319 | CK | 25.12±0.18 a | 2020 | R702 | CK | 14.47±0.10 a |
N1 | 23.88±0.58 b | N1 | 14.23±0.26 b | ||||
N2 | 23.21±0.95 b | N2 | 13.87±0.21 c | ||||
N3 | 22.56±0.69 c | N3 | 13.41±0.40 c | ||||
Average | 23.69 | Average | 14.00 | ||||
2021 | J1319 | CK | 26.82±0.13 a | 2021 | R702 | CK | 15.78±0.07 a |
N1 | 25.62±0.12 b | N1 | 15.57±007 b | ||||
N2 | 24.61±0.12 c | N2 | 15.05±0.11 c | ||||
N3 | 22.80±0.11 d | N3 | 14.93±0.11c | ||||
Average | 24.96 | Average | 15.34 | ||||
方差分析 ANOVA | 品种 Variety(V) | ** | 方差分析 ANOVA | 品种 Variety(V) | ** | ||
氮肥 Nitrogen(N) | ** | 氮肥 Nitrogen(N) | ** | ||||
V×N | ** | V×N | ** |
Table 4. Effects of nitrogen panicle fertilizer on amylose content of hybrid rice.
年份 Year | 品种 Variety | 处理 Treatment | 直链淀粉含量 Amylose content/% | 年份 Year | 品种 Variety | 处理 Treatment | 直链淀粉含量 Amylose content/% |
---|---|---|---|---|---|---|---|
2020 | J1319 | CK | 25.12±0.18 a | 2020 | R702 | CK | 14.47±0.10 a |
N1 | 23.88±0.58 b | N1 | 14.23±0.26 b | ||||
N2 | 23.21±0.95 b | N2 | 13.87±0.21 c | ||||
N3 | 22.56±0.69 c | N3 | 13.41±0.40 c | ||||
Average | 23.69 | Average | 14.00 | ||||
2021 | J1319 | CK | 26.82±0.13 a | 2021 | R702 | CK | 15.78±0.07 a |
N1 | 25.62±0.12 b | N1 | 15.57±007 b | ||||
N2 | 24.61±0.12 c | N2 | 15.05±0.11 c | ||||
N3 | 22.80±0.11 d | N3 | 14.93±0.11c | ||||
Average | 24.96 | Average | 15.34 | ||||
方差分析 ANOVA | 品种 Variety(V) | ** | 方差分析 ANOVA | 品种 Variety(V) | ** | ||
氮肥 Nitrogen(N) | ** | 氮肥 Nitrogen(N) | ** | ||||
V×N | ** | V×N | ** |
Fig. 2. Effects of nitrogen fertilizer for panicle initiation on the activities of ADPG, GBSS, SSS, SBE, and DBE activities of indica hybrid rice during the filling stage.
品种 Variety | 处理 Treatment | 有效穗数 Effective panicle number /(×104·hm−2) | 每穗粒数 Grain number per panicle | 结实率 Seed setting rate /% | 千粒重 1000-grain weight /g | 稻谷产量 Grain yield /(t·hm−2) |
---|---|---|---|---|---|---|
J1319 | CK | 228.92±6.37 b | 137.00±7.04 c | 85.81±1.59 a | 29.89±0.20 a | 8.59±0.10 c |
N1 | 245.29±2.46 a | 173.08±10.62 b | 70.46±0.70 b | 29.53±0.21 a | 9.59±0.16 b | |
N2 | 255.75±4.82 a | 195.68±1.32 a | 66.46±2.06 b | 29.70±0.04 a | 9.95±0.14 a | |
N3 | 256.15±13.55 a | 195.36±10.37 a | 71.23±0.11 b | 27.84±0.22 b | 9.99±0.25 a | |
Average | 246.58 | 175.28 | 73.05 | 29.24 | 9.53 | |
R702 | CK | 280.00±1.76 c | 112.61±3.87 c | 82.48±1.01 b | 23.77±0.13 b | 7.07±0.25 c |
N1 | 293.73±6.09 b | 128.35±3.95 b | 88.29±2.82 a | 24.79±0.28 a | 9.04±0.23 b | |
N2 | 313.33±0.85 a | 143.96±3.38 a | 89.21±3.03 a | 23.79±0.13 b | 9.71±0.07 a | |
N3 | 323.86±4.39 a | 147.61±13.05 a | 88.88±1.79 a | 24.10±0.45 b | 9.66±0.20 a | |
Average | 302.73 | 133.13 | 87.22 | 24.11 | 8.87 | |
方差分析ANOVA | 品种 Variety(V) | ** | * | ** | ** | * |
氮肥 Nitrogen(N) | ** | ** | ** | ** | ** | |
V×N | ns | * | ** | ** | ** |
Table 5. Effect of nitrogen fertilizer for panicle initiation on grain yield and its components of hybrid rice.
品种 Variety | 处理 Treatment | 有效穗数 Effective panicle number /(×104·hm−2) | 每穗粒数 Grain number per panicle | 结实率 Seed setting rate /% | 千粒重 1000-grain weight /g | 稻谷产量 Grain yield /(t·hm−2) |
---|---|---|---|---|---|---|
J1319 | CK | 228.92±6.37 b | 137.00±7.04 c | 85.81±1.59 a | 29.89±0.20 a | 8.59±0.10 c |
N1 | 245.29±2.46 a | 173.08±10.62 b | 70.46±0.70 b | 29.53±0.21 a | 9.59±0.16 b | |
N2 | 255.75±4.82 a | 195.68±1.32 a | 66.46±2.06 b | 29.70±0.04 a | 9.95±0.14 a | |
N3 | 256.15±13.55 a | 195.36±10.37 a | 71.23±0.11 b | 27.84±0.22 b | 9.99±0.25 a | |
Average | 246.58 | 175.28 | 73.05 | 29.24 | 9.53 | |
R702 | CK | 280.00±1.76 c | 112.61±3.87 c | 82.48±1.01 b | 23.77±0.13 b | 7.07±0.25 c |
N1 | 293.73±6.09 b | 128.35±3.95 b | 88.29±2.82 a | 24.79±0.28 a | 9.04±0.23 b | |
N2 | 313.33±0.85 a | 143.96±3.38 a | 89.21±3.03 a | 23.79±0.13 b | 9.71±0.07 a | |
N3 | 323.86±4.39 a | 147.61±13.05 a | 88.88±1.79 a | 24.10±0.45 b | 9.66±0.20 a | |
Average | 302.73 | 133.13 | 87.22 | 24.11 | 8.87 | |
方差分析ANOVA | 品种 Variety(V) | ** | * | ** | ** | * |
氮肥 Nitrogen(N) | ** | ** | ** | ** | ** | |
V×N | ns | * | ** | ** | ** |
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