北方主栽花生品种的源库特征及其分类
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高芳, 刘兆新, 赵继浩, 汪颖, 潘小怡, 赖华江, 李向东, 杨东清
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Source-sink characteristics and classification of peanut major cultivars in North China
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GAO Fang, LIU Zhao-Xin, ZHAO Ji-Hao, WANG Ying, PAN Xiao-Yi, LAI Hua-Jiang, LI Xiang-Dong, YANG Dong-Qing
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表2 花生各源、库指标变异幅度(2019年)
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Table 2 Analysis of variance of peanut source and sink indexes in 2019
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特征
Characteristic | 性状
Trait | 变异范围
Range of variation | 变异系数
Coefficient of variation (%) | 源性状
Source traits | 花针期LA LA at pegging stage (cm 2) | 860.37-2100.63 | 29.37 | | 结荚期LA LA at pod setting stage (cm2) | 1717.71-2910.91 | 18.87 | | 饱果期LA LA at pod filling stage (cm2) | 650.05-1442.52 | 26.42 | | 花针期LDM LDM at pegging stage (g) | 7.05-11.44 | 13.91 | | 结荚期LDM LDM at pod setting stage (g) | 9.47-15.63 | 18.87 | | 饱果期LDM LDM at pod filling stage (g) | 4.05-9.24 | 25.01 | 库性状
Sink traits | 开花数Number of flowers (ind) | 67.43-124.10 | 17.11 | | 开花持续时间Florescence (d) | 29.00-46.00 | 14.80 | | 成针率Peg rate (%) | 36.67-26.95 | 18.89 | | 成果率Pod rate (%) | 8.66-24.20 | 21.27 | 源库综合性状
Source-sink comprehensive traits | 花针期PTR PTR at pegging stage (%) | 0.24-11.85 | 65.76 | | 结荚期PTR PTR at pod setting stage (%) | 26.71-49.48 | 17.61 | | 收获指数HI | 0.39-0.59 | 12.14 | | 单位叶面积对产量贡献 LAC (mg cm-2) | 8.88-24.86 | 33.41 | | 单位叶面积负荷量 LAL (ind m-2) | 144.48-396.01 | 23.97 | 产量性状
Output targets | 荚果充实度 Pod plumpness (%) | 31.02-63.85 | 19.63 | | 有效果比例 EPR (%) | 40.75-76.21 | 16.10 | | 产量 Yield (kg hm-2) | 6024.69-7944.44 | 7.88 |
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