中国水稻科学 ›› 2020, Vol. 34 ›› Issue (2): 150-158.DOI: 10.16819/j.1001-7216.2020.9064
成臣1,2, 雷凯1,3, 程慧煌1,4, 王盛亮1,5, 朱博2, 卢占军2, 高冰可3, 王斌强3, 石庆华1, 曾勇军1,*
收稿日期:
2019-06-06
修回日期:
2019-08-04
出版日期:
2020-03-10
发布日期:
2020-03-10
通讯作者:
曾勇军
作者简介:
#共同第一作者
基金资助:
Chen CHENG1,2, Kai LEI1,3, Huihuang CHENG1,4, Shengliang WANG1,5, Bo ZHU2, Zhanjun LU2, Bingke GAO3, Binqiang WANG3, Qinghua SHI1, Yongjun ZENG1,*
Received:
2019-06-06
Revised:
2019-08-04
Online:
2020-03-10
Published:
2020-03-10
Contact:
Yongjun ZENG
About author:
#These authors contributed equally to this work
摘要:
【目的】通过喷施多效唑来达到高产所需的足穗,解决南方晚粳稻有效穗数不足的问题。【方法】设计以品种为主区、多效唑浓度为副区的裂区试验。以镇稻11和甬优2640为晚粳稻材料,以晚籼稻H优518为对照;多效唑浓度(以有效成分计)分别设A1(0 mg/L)、A2(84 mg/L)、A3(120 mg/L)、A4(156 mg/L)和A5(192 mg/L)共5种施用水平。2014—2015年评估了不同浓度多效唑对南方晚粳稻秧苗素质、茎蘖动态及产量的影响。【结果】随多效唑浓度增加,2年各品种秧苗苗高均逐渐降低;H优518及甬优2640秧苗叶龄及SPAD值逐渐增加,而镇稻11却先增后降;三品种秧苗单株根长、根数、分蘖数以及有效穗数、结实率、籽粒充实度和产量均随苗期喷施多效唑浓度的增加呈现先增后降趋势,其中H优518及甬优2640两品种的上述指标均在A4时最高,镇稻11在A3表现最佳。【结论】喷施适宜浓度多效唑可显著提高水稻秧苗素质、有效穗数及产量。其中,H优518及甬优2640以A4(156 mg/L)时产量表现最好,而镇稻11却在A3(120 mg/L)时产量达到最高。
中图分类号:
成臣, 雷凯, 程慧煌, 王盛亮, 朱博, 卢占军, 高冰可, 王斌强, 石庆华, 曾勇军. 苗期不同浓度多效唑对南方晚粳稻秧苗素质、茎蘖动态及产量的影响[J]. 中国水稻科学, 2020, 34(2): 150-158.
Chen CHENG, Kai LEI, Huihuang CHENG, Shengliang WANG, Bo ZHU, Zhanjun LU, Bingke GAO, Binqiang WANG, Qinghua SHI, Yongjun ZENG. Effects of Different Concentrations of Paclobutrazol in Seedling Stage on Seedling Quality, Tillering Dynamics and Grain Yield of japonica Rice During Late Cropping Season in Southern China[J]. Chinese Journal OF Rice Science, 2020, 34(2): 150-158.
变异来源 Source of variation | 自由度df | 叶龄 Leaf age | 苗高Seedling height | 单株根长 Root length per plant/cm | 单株根数 Root number per plant | 单株分蘖数 Tiller number per plant | SPAD值 SPAD value | F0.05 | F0.01 |
---|---|---|---|---|---|---|---|---|---|
年份Year(Y) | 1 | 35.30** | 24.61** | 2.39 ns | 1.18 ns | 60.08** | 14.45** | 3.87 | 6.72 |
品种Variety(V) | 2 | 118.34** | 645.51** | 218.09** | 37.73** | 67.18** | 146.33** | 3.03 | 4.68 |
处理Treatment(T) | 4 | 18.62** | 27.26** | 31.60** | 31.35** | 16.69** | 120.33** | 2.40 | 3.38 |
Y×V | 2 | 2.17 ns | 0.85 ns | 0.41 ns | 1.59 ns | 0.87 ns | 17.30** | 3.03 | 4.68 |
Y×T | 4 | 0.51 ns | 0.33 ns | 0.34 ns | 0.28 ns | 0.37 ns | 1.48 ns | 2.40 | 3.38 |
V×T | 8 | 1.75 ns | 0.35 ns | 3.14** | 3.66** | 1.53 ns | 15.56** | 1.97 | 2.57 |
Y×V×T | 8 | 0.22 ns | 0.02 ns | 0.15 ns | 0.13 ns | 0.20 ns | 0.31 ns | 1.97 | 2.57 |
表1 在不同年份、品种和多效唑浓度下南方晚粳稻秧苗素质的方差分析(F值)
Table 1 A two-way ANOVA for the effects of different paclobutrazol concentrations, variety and year on the seedling quality of japonica rice during the late-rice cropping seasons in southern China(F-value).
变异来源 Source of variation | 自由度df | 叶龄 Leaf age | 苗高Seedling height | 单株根长 Root length per plant/cm | 单株根数 Root number per plant | 单株分蘖数 Tiller number per plant | SPAD值 SPAD value | F0.05 | F0.01 |
---|---|---|---|---|---|---|---|---|---|
年份Year(Y) | 1 | 35.30** | 24.61** | 2.39 ns | 1.18 ns | 60.08** | 14.45** | 3.87 | 6.72 |
品种Variety(V) | 2 | 118.34** | 645.51** | 218.09** | 37.73** | 67.18** | 146.33** | 3.03 | 4.68 |
处理Treatment(T) | 4 | 18.62** | 27.26** | 31.60** | 31.35** | 16.69** | 120.33** | 2.40 | 3.38 |
Y×V | 2 | 2.17 ns | 0.85 ns | 0.41 ns | 1.59 ns | 0.87 ns | 17.30** | 3.03 | 4.68 |
Y×T | 4 | 0.51 ns | 0.33 ns | 0.34 ns | 0.28 ns | 0.37 ns | 1.48 ns | 2.40 | 3.38 |
V×T | 8 | 1.75 ns | 0.35 ns | 3.14** | 3.66** | 1.53 ns | 15.56** | 1.97 | 2.57 |
Y×V×T | 8 | 0.22 ns | 0.02 ns | 0.15 ns | 0.13 ns | 0.20 ns | 0.31 ns | 1.97 | 2.57 |
年份 Year | 品种 Variety | 处理 Treatment | 叶龄 Leaf age | 苗高 Seedling height/cm | 根长 Root length/cm | 单株根数 Root number per plant | 单株分蘖数 Tiller number per plant | SPAD值 SPAD value |
---|---|---|---|---|---|---|---|---|
2014 | H优518 H you 518 | A1 | 6.4 b | 39.9 a | 12.3 b | 19.7 c | 0.9 c | 35.6 d |
A2 | 6.6 b | 38.8 ab | 12.7 ab | 22.2 bc | 1.0 bc | 37.5 c | ||
A3 | 6.7 ab | 38.2 ab | 12.9 ab | 22.7 bc | 1.2 abc | 39.0 b | ||
A4 | 6.8 a | 37.3 b | 13.3 a | 24.9 a | 1.5 a | 40.2 a | ||
A5 | 6.9 a | 37.1 b | 12.8 ab | 24.3 ab | 1.3 ab | 41.1 a | ||
镇稻11 Zhendao 11 | A1 | 5.8 b | 29.9 a | 8.1 c | 17.0 b | 0.2 c | 37.4 d | |
A2 | 6.0 ab | 27.7 b | 8.7 bc | 17.7 b | 0.3 bc | 38.6 c | ||
A3 | 6.2 a | 26.8 bc | 10.1 a | 20.9 a | 0.9 a | 41.1 a | ||
A4 | 6.1 a | 26.3 c | 9.7 ab | 19.8 ab | 0.8 ab | 39.8 b | ||
A5 | 6.0 a | 26.1 c | 9.3 ab | 18.8 ab | 0.6 abc | 39.3 bc | ||
甬优2640 Yongyou 2640 | A1 | 6.0 b | 33.9 a | 8.0 c | 18.1 c | 0.8 b | 38.6 d | |
A2 | 6.1 ab | 32.5 ab | 9.4 bc | 21.5 bc | 0.9 ab | 40.7 c | ||
A3 | 6.2 ab | 31.8 ab | 10.5 ab | 24.1 ab | 1.1 ab | 41.8 b | ||
A4 | 6.2 a | 30.9 b | 11.4 a | 27.3 a | 1.3 a | 43.3 a | ||
A5 | 6.3 a | 30.6 b | 10.7 a | 26.7 a | 1.2 ab | 44.2 a | ||
2015 | H优518 H you 518 | A1 | 6.5 b | 42.0 a | 11.8 c | 18.7 c | 1.3 b | 36.2 d |
A2 | 6.7 b | 40.6 ab | 12.5 bc | 21.5 b | 1.5 ab | 38.4 c | ||
A3 | 6.8 ab | 40.0 bc | 13.3 ab | 23.3 ab | 1.8 ab | 39.5 b | ||
A4 | 7.0 a | 39.1 bc | 13.5 a | 25.6 a | 2.0 a | 40.9 a | ||
A5 | 7.0 a | 38.6 c | 13.1 ab | 23.8 ab | 1.8 a | 41.4 a | ||
镇稻11 Zhendao 11 | A1 | 5.9 c | 31.4 a | 8.3 c | 18.0 c | 0.5 c | 36.8 c | |
A2 | 6.1 b | 28.9 b | 8.9 bc | 19.4 bc | 0.8 bc | 38.3 b | ||
A3 | 6.5 a | 27.9 c | 10.4 a | 22.4 a | 1.3 a | 39.5 a | ||
A4 | 6.3 ab | 27.2 cd | 10.2 a | 21.6 ab | 0.9 b | 38.4 b | ||
A5 | 6.3 ab | 26.6 d | 9.5 ab | 19.8 bc | 0.8 bc | 37.6 bc | ||
甬优2640 Yongyou 2640 | A1 | 6.2 c | 35.5 a | 8.3 b | 18.7 b | 1.1 c | 38.1 c | |
A2 | 6.3 bc | 33.8 ab | 9.5 b | 20.5 b | 1.3 bc | 39.8 b | ||
A3 | 6.5 ab | 32.9 bc | 10.9 a | 24.7 a | 1.6 ab | 40.5 b | ||
A4 | 6.6 a | 31.6 bc | 11.7 a | 27.6 a | 1.8 a | 42.3 a | ||
A5 | 6.7 a | 31.1 c | 11.3 a | 26.3 a | 1.7 ab | 42.9 a |
表2 不同多效唑浓度对南方晚粳稻秧苗素质的影响
Table 2 Effect of different concentrations of paclobutrazol on the seedling quality of japonica rice during the late-rice cropping seasons in southern China.
年份 Year | 品种 Variety | 处理 Treatment | 叶龄 Leaf age | 苗高 Seedling height/cm | 根长 Root length/cm | 单株根数 Root number per plant | 单株分蘖数 Tiller number per plant | SPAD值 SPAD value |
---|---|---|---|---|---|---|---|---|
2014 | H优518 H you 518 | A1 | 6.4 b | 39.9 a | 12.3 b | 19.7 c | 0.9 c | 35.6 d |
A2 | 6.6 b | 38.8 ab | 12.7 ab | 22.2 bc | 1.0 bc | 37.5 c | ||
A3 | 6.7 ab | 38.2 ab | 12.9 ab | 22.7 bc | 1.2 abc | 39.0 b | ||
A4 | 6.8 a | 37.3 b | 13.3 a | 24.9 a | 1.5 a | 40.2 a | ||
A5 | 6.9 a | 37.1 b | 12.8 ab | 24.3 ab | 1.3 ab | 41.1 a | ||
镇稻11 Zhendao 11 | A1 | 5.8 b | 29.9 a | 8.1 c | 17.0 b | 0.2 c | 37.4 d | |
A2 | 6.0 ab | 27.7 b | 8.7 bc | 17.7 b | 0.3 bc | 38.6 c | ||
A3 | 6.2 a | 26.8 bc | 10.1 a | 20.9 a | 0.9 a | 41.1 a | ||
A4 | 6.1 a | 26.3 c | 9.7 ab | 19.8 ab | 0.8 ab | 39.8 b | ||
A5 | 6.0 a | 26.1 c | 9.3 ab | 18.8 ab | 0.6 abc | 39.3 bc | ||
甬优2640 Yongyou 2640 | A1 | 6.0 b | 33.9 a | 8.0 c | 18.1 c | 0.8 b | 38.6 d | |
A2 | 6.1 ab | 32.5 ab | 9.4 bc | 21.5 bc | 0.9 ab | 40.7 c | ||
A3 | 6.2 ab | 31.8 ab | 10.5 ab | 24.1 ab | 1.1 ab | 41.8 b | ||
A4 | 6.2 a | 30.9 b | 11.4 a | 27.3 a | 1.3 a | 43.3 a | ||
A5 | 6.3 a | 30.6 b | 10.7 a | 26.7 a | 1.2 ab | 44.2 a | ||
2015 | H优518 H you 518 | A1 | 6.5 b | 42.0 a | 11.8 c | 18.7 c | 1.3 b | 36.2 d |
A2 | 6.7 b | 40.6 ab | 12.5 bc | 21.5 b | 1.5 ab | 38.4 c | ||
A3 | 6.8 ab | 40.0 bc | 13.3 ab | 23.3 ab | 1.8 ab | 39.5 b | ||
A4 | 7.0 a | 39.1 bc | 13.5 a | 25.6 a | 2.0 a | 40.9 a | ||
A5 | 7.0 a | 38.6 c | 13.1 ab | 23.8 ab | 1.8 a | 41.4 a | ||
镇稻11 Zhendao 11 | A1 | 5.9 c | 31.4 a | 8.3 c | 18.0 c | 0.5 c | 36.8 c | |
A2 | 6.1 b | 28.9 b | 8.9 bc | 19.4 bc | 0.8 bc | 38.3 b | ||
A3 | 6.5 a | 27.9 c | 10.4 a | 22.4 a | 1.3 a | 39.5 a | ||
A4 | 6.3 ab | 27.2 cd | 10.2 a | 21.6 ab | 0.9 b | 38.4 b | ||
A5 | 6.3 ab | 26.6 d | 9.5 ab | 19.8 bc | 0.8 bc | 37.6 bc | ||
甬优2640 Yongyou 2640 | A1 | 6.2 c | 35.5 a | 8.3 b | 18.7 b | 1.1 c | 38.1 c | |
A2 | 6.3 bc | 33.8 ab | 9.5 b | 20.5 b | 1.3 bc | 39.8 b | ||
A3 | 6.5 ab | 32.9 bc | 10.9 a | 24.7 a | 1.6 ab | 40.5 b | ||
A4 | 6.6 a | 31.6 bc | 11.7 a | 27.6 a | 1.8 a | 42.3 a | ||
A5 | 6.7 a | 31.1 c | 11.3 a | 26.3 a | 1.7 ab | 42.9 a |
图1 不同多效唑浓度对南方晚粳稻茎蘖动态的影响(以2014年为例)
Fig. 1. Effect of different concentrations of paclobutrazol on tiller dynamics of japonica rice during late-rice cropping seasons in southern China (2014).
变异来源 Source of variation | 自由度 df | 有效穗数 Productive panicle number | 每穗粒数 Spikelet number per panicle | 结实率 Seed setting rate | 千粒重1000-grain weight | 籽粒充实度 Grain plumpness | 产量 Actual yield | F0.05 | F0.01 |
---|---|---|---|---|---|---|---|---|---|
年份Year(Y) | 1 | 46.19** | 22.72** | 0.03 ns | 3.28 ns | 4.62* | 11.68** | 4.01 | 7.09 |
品种Variety(V) | 2 | 5331.54** | 9045.32** | 585.45** | 452.57** | 868.89** | 1057.95** | 3.16 | 4.99 |
处理Treatment(T) | 4 | 312.53** | 1.52 ns | 1.51 ns | 5.02** | 58.62** | 221.04** | 2.53 | 3.66 |
Y×V | 2 | 0.09 ns | 0.85 ns | 3.91* | 0.57 ns | 0.01 ns | 1.52 ns | 3.16 | 4.99 |
Y×T | 4 | 0.17 ns | 0.02 ns | 0.72 ns | 0.09 ns | 0.01 ns | 0.34 ns | 2.53 | 3.66 |
V×T | 8 | 21.96** | 0.49 ns | 2.70* | 1.59 ns | 2.11* | 22.68** | 2.10 | 2.84 |
Y×V×T | 8 | 0.07 ns | 0.03 ns | 1.75 ns | 0.50 ns | 0.02 ns | 0.73 ns | 2.10 | 2.84 |
表3 在不同年份、品种和多效唑浓度下南方晚粳稻产量及其构成因素的方差分析(F值)
Table 3 A two-way ANOVA for the effects of different paclobutrazol concentrations, variety and year on the grain yield and yield components of japonica rice during the late-rice cropping seasons in southern China(F-value).
变异来源 Source of variation | 自由度 df | 有效穗数 Productive panicle number | 每穗粒数 Spikelet number per panicle | 结实率 Seed setting rate | 千粒重1000-grain weight | 籽粒充实度 Grain plumpness | 产量 Actual yield | F0.05 | F0.01 |
---|---|---|---|---|---|---|---|---|---|
年份Year(Y) | 1 | 46.19** | 22.72** | 0.03 ns | 3.28 ns | 4.62* | 11.68** | 4.01 | 7.09 |
品种Variety(V) | 2 | 5331.54** | 9045.32** | 585.45** | 452.57** | 868.89** | 1057.95** | 3.16 | 4.99 |
处理Treatment(T) | 4 | 312.53** | 1.52 ns | 1.51 ns | 5.02** | 58.62** | 221.04** | 2.53 | 3.66 |
Y×V | 2 | 0.09 ns | 0.85 ns | 3.91* | 0.57 ns | 0.01 ns | 1.52 ns | 3.16 | 4.99 |
Y×T | 4 | 0.17 ns | 0.02 ns | 0.72 ns | 0.09 ns | 0.01 ns | 0.34 ns | 2.53 | 3.66 |
V×T | 8 | 21.96** | 0.49 ns | 2.70* | 1.59 ns | 2.11* | 22.68** | 2.10 | 2.84 |
Y×V×T | 8 | 0.07 ns | 0.03 ns | 1.75 ns | 0.50 ns | 0.02 ns | 0.73 ns | 2.10 | 2.84 |
年份Year | 品种 Variety | 处理 Treatment | 有效穗数 Productive panicle number/(×104·hm-2) | 每穗粒数 Spikelet number per panicle | 结实率 Seed setting rate /% | 千粒重1000-grain weight/g | 籽粒充实度 Grain plumpness /% | 产量 Actual yield /(t·hm-2) |
---|---|---|---|---|---|---|---|---|
2014 | H优518 H you 518 | A1 | 286.5 c | 131.2 a | 87.2 a | 27.4 b | 79.4 b | 8.4 d |
A2 | 293.8 c | 133.2 a | 88.8 a | 27.7 ab | 80.0 b | 8.8 c | ||
A3 | 316.4 b | 130.1 a | 87.5 a | 27.7 ab | 81.3 a | 9.1 bc | ||
A4 | 338.7 a | 128.6 a | 88.2 a | 27.9 a | 81.8 a | 9.4 a | ||
A5 | 337.2 a | 127.8 a | 88.1 a | 27.8 ab | 81.4 a | 9.3 ab | ||
镇稻11 Zhendao 11 | A1 | 300.2 d | 138.7 a | 91.3 a | 26.2 a | 85.1 c | 9.1 c | |
A2 | 311.5 c | 139.9 a | 91.5 a | 26.4 a | 85.3 bc | 9.3 b | ||
A3 | 329.8 a | 138.1 a | 92.4 a | 26.5 a | 86.7 a | 9.7 a | ||
A4 | 325.2 ab | 136.6 a | 91.8 a | 26.3 a | 86.6 a | 9.6 a | ||
A5 | 322.8 b | 135.1 a | 92.4 a | 26.3 a | 86.0 ab | 9.4 b | ||
甬优2640 Yongyou 2640 | A1 | 187.5 c | 264.3 a | 86.8 a | 25.0 b | 83.1 c | 9.4 c | |
A2 | 201.7 b | 265.1 a | 86.2 a | 25.3 ab | 84.2 b | 10.0 b | ||
A3 | 224.5 a | 266.5 a | 87.1 a | 25.5 a | 84.8 ab | 10.7 a | ||
A4 | 233.1 a | 265.0 a | 86.5 a | 25.6 a | 85.6 a | 11.0 a | ||
A5 | 227.5 a | 264.8 a | 86.2 a | 25.3 ab | 85.1 ab | 10.9 a | ||
2015 | H优518 H you 518 | A1 | 290.9 c | 127.0 a | 88.1 a | 27.2 c | 79.6 b | 8.3 d |
A2 | 299.4 c | 130.6 a | 87.8 a | 27.4 bc | 80.2 b | 8.7 c | ||
A3 | 323.0 b | 126.7 a | 88.0 a | 27.9 ab | 81.7 a | 9.2 b | ||
A4 | 346.1 a | 125.8 a | 88.9 a | 28.0 a | 82.0 a | 9.5 a | ||
A5 | 343.3 a | 125.2 a | 88.7 a | 27.9 ab | 81.6 a | 9.4 a | ||
镇稻11 Zhendao 11 | A1 | 305.5 d | 134.9 a | 91.6 a | 26.5 a | 85.3 c | 9.2 c | |
A2 | 316.6 c | 135.7 a | 91.0 a | 26.6 a | 85.5 bc | 9.5 b | ||
A3 | 338.0 a | 133.3 a | 91.7 a | 26.7 a | 86.9 a | 9.8 a | ||
A4 | 331.0 b | 132.5 a | 90.9 a | 26.4 a | 86.8 a | 9.7 a | ||
A5 | 328.0 b | 132.1 a | 91.9 a | 26.3 a | 86.2 ab | 9.5 b | ||
甬优2640 Yongyou 2640 | A1 | 193.8 d | 258.6 a | 86.4 a | 25.2 b | 83.3 c | 9.5 d | |
A2 | 209.1 c | 258.8 a | 86.9 a | 25.4 ab | 84.4 b | 10.3 c | ||
A3 | 231.2 b | 260.7 a | 86.9 a | 25.5 a | 85.1 ab | 10.8 b | ||
A4 | 241.4 a | 259.2 a | 86.4 a | 25.7 a | 85.8 a | 11.1 a | ||
A5 | 232.9 ab | 258.7 a | 86.7 a | 25.5 a | 85.3 a | 11.0 ab |
表4 不同多效唑浓度对南方晚粳稻产量及其构成因素的影响
Table 4 Effect of different concentrations of paclobutrazol on the grain yield and yield components of japonica rice during late-rice cropping seasons in southern China.
年份Year | 品种 Variety | 处理 Treatment | 有效穗数 Productive panicle number/(×104·hm-2) | 每穗粒数 Spikelet number per panicle | 结实率 Seed setting rate /% | 千粒重1000-grain weight/g | 籽粒充实度 Grain plumpness /% | 产量 Actual yield /(t·hm-2) |
---|---|---|---|---|---|---|---|---|
2014 | H优518 H you 518 | A1 | 286.5 c | 131.2 a | 87.2 a | 27.4 b | 79.4 b | 8.4 d |
A2 | 293.8 c | 133.2 a | 88.8 a | 27.7 ab | 80.0 b | 8.8 c | ||
A3 | 316.4 b | 130.1 a | 87.5 a | 27.7 ab | 81.3 a | 9.1 bc | ||
A4 | 338.7 a | 128.6 a | 88.2 a | 27.9 a | 81.8 a | 9.4 a | ||
A5 | 337.2 a | 127.8 a | 88.1 a | 27.8 ab | 81.4 a | 9.3 ab | ||
镇稻11 Zhendao 11 | A1 | 300.2 d | 138.7 a | 91.3 a | 26.2 a | 85.1 c | 9.1 c | |
A2 | 311.5 c | 139.9 a | 91.5 a | 26.4 a | 85.3 bc | 9.3 b | ||
A3 | 329.8 a | 138.1 a | 92.4 a | 26.5 a | 86.7 a | 9.7 a | ||
A4 | 325.2 ab | 136.6 a | 91.8 a | 26.3 a | 86.6 a | 9.6 a | ||
A5 | 322.8 b | 135.1 a | 92.4 a | 26.3 a | 86.0 ab | 9.4 b | ||
甬优2640 Yongyou 2640 | A1 | 187.5 c | 264.3 a | 86.8 a | 25.0 b | 83.1 c | 9.4 c | |
A2 | 201.7 b | 265.1 a | 86.2 a | 25.3 ab | 84.2 b | 10.0 b | ||
A3 | 224.5 a | 266.5 a | 87.1 a | 25.5 a | 84.8 ab | 10.7 a | ||
A4 | 233.1 a | 265.0 a | 86.5 a | 25.6 a | 85.6 a | 11.0 a | ||
A5 | 227.5 a | 264.8 a | 86.2 a | 25.3 ab | 85.1 ab | 10.9 a | ||
2015 | H优518 H you 518 | A1 | 290.9 c | 127.0 a | 88.1 a | 27.2 c | 79.6 b | 8.3 d |
A2 | 299.4 c | 130.6 a | 87.8 a | 27.4 bc | 80.2 b | 8.7 c | ||
A3 | 323.0 b | 126.7 a | 88.0 a | 27.9 ab | 81.7 a | 9.2 b | ||
A4 | 346.1 a | 125.8 a | 88.9 a | 28.0 a | 82.0 a | 9.5 a | ||
A5 | 343.3 a | 125.2 a | 88.7 a | 27.9 ab | 81.6 a | 9.4 a | ||
镇稻11 Zhendao 11 | A1 | 305.5 d | 134.9 a | 91.6 a | 26.5 a | 85.3 c | 9.2 c | |
A2 | 316.6 c | 135.7 a | 91.0 a | 26.6 a | 85.5 bc | 9.5 b | ||
A3 | 338.0 a | 133.3 a | 91.7 a | 26.7 a | 86.9 a | 9.8 a | ||
A4 | 331.0 b | 132.5 a | 90.9 a | 26.4 a | 86.8 a | 9.7 a | ||
A5 | 328.0 b | 132.1 a | 91.9 a | 26.3 a | 86.2 ab | 9.5 b | ||
甬优2640 Yongyou 2640 | A1 | 193.8 d | 258.6 a | 86.4 a | 25.2 b | 83.3 c | 9.5 d | |
A2 | 209.1 c | 258.8 a | 86.9 a | 25.4 ab | 84.4 b | 10.3 c | ||
A3 | 231.2 b | 260.7 a | 86.9 a | 25.5 a | 85.1 ab | 10.8 b | ||
A4 | 241.4 a | 259.2 a | 86.4 a | 25.7 a | 85.8 a | 11.1 a | ||
A5 | 232.9 ab | 258.7 a | 86.7 a | 25.5 a | 85.3 a | 11.0 ab |
类别 Type | 品种 Variety | 有效穗数 Productive panicle number | 每穗粒数 Spikelet number per panicle | 结实率 Seed-setting rate | 千粒重 1000-grain weight | 籽粒充实度 Grain plumpness |
---|---|---|---|---|---|---|
产量Yield | H优518 H you 518 | 0.96** | -0.51 | 0.50 | 0.96** | 0.97** |
镇稻11 Zhendao 11 | 0.96** | -0.46 | 0.13 | 0.51 | 0.94** | |
甬优2640 Yongyou 2640 | 0.99** | -0.01 | 0.02 | 0.88** | 0.99** |
表5 不同品种产量与产量构成因素之间相关性分析
Table 5 Relative coefficients among yield and yield components in different varieties.
类别 Type | 品种 Variety | 有效穗数 Productive panicle number | 每穗粒数 Spikelet number per panicle | 结实率 Seed-setting rate | 千粒重 1000-grain weight | 籽粒充实度 Grain plumpness |
---|---|---|---|---|---|---|
产量Yield | H优518 H you 518 | 0.96** | -0.51 | 0.50 | 0.96** | 0.97** |
镇稻11 Zhendao 11 | 0.96** | -0.46 | 0.13 | 0.51 | 0.94** | |
甬优2640 Yongyou 2640 | 0.99** | -0.01 | 0.02 | 0.88** | 0.99** |
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