播期对苦荞生长发育及产量的影响

李春花, 吴晗, 加央多拉, 杨志雪, 王艳平, 冯博, 王春龙, 李雪英, 卜瑞, 郭来春, 任长忠

Effects of Sowing Date on Growth, Development and Yield of Tartary Buckwheat

Li Chunhua, Wu Han, Jiayangduola , Yang Zhixue, Wang Yanping, Feng Bo, Wang Chunlong, Li Xueying, Bu Rui, Guo Laichun, Ren Changzhong

表5 不同播期苦荞农艺性状的相关系数

Table 5 Correlation coefficients of agronomic traits of tartary buckwheat at different sowing dates

性状 Traits	播期 Sowing date	生育期 Growth period	株高 Plant height	主茎节数 Node number of main stem	分枝数 Number of branches	茎粗 Stem diameter	籽粒周长 Grain perimeter	长宽比 Length- to-width ratio	籽粒长 Grain length	籽粒宽 Grain width	籽粒直径 Grain diameter	籽粒圆度 Grain circularity	株粒数 Grain number per plant	千粒重 1000- grain weight
株高 Plant height	B1	0.488
株高 Plant height	B2	-0.325
	B3	-0.213
主茎节数 Node number of main stem	B1	0.096	0.271
	B2	0.058	0.237
	B3	0.016	0.698^*
分枝数 Number of branches	B1	0.523	0.286	0.624
	B2	0.812^**	-0.507	0.261
	B3	0.374	-0.056	0.001
茎粗 Stem diameter	B1	0.109	0.532	0.065	0.031
	B2	0.641	0.441	0.453	0.391
	B3	-0.454	0.230	0.476	-0.490
籽粒周长 Grain perimeter	B1	0.525	0.400	-0.122	0.344	0.638
	B2	-0.772^*	0.296	-0.438	-0.696^*	-0.643
	B3	-0.154	-0.502	-0.090	-0.018	0.368
长宽比 Length-to- width ratio	B1	0.380	-0.061	-0.489	0.054	0.449	0.809^**
	B2	-0.726^*	-0.040	-0.654	-0.580	-0.787^*	0.836^**
	B3	-0.342	-0.599	-0.324	-0.220	0.351	0.868^**
籽粒长 Grain length	B1	0.486	0.170	-0.310	0.216	0.569	0.948^***	0.954^***
籽粒长 Grain length	B2	-0.777^*	0.101	-0.551	-0.632	-0.765^*	0.955^***	0.957^***
	B3	-0.236	-0.594	-0.229	-0.079	0.354	0.972^***	0.956^***
籽粒宽 Grain width	B1	0.143	0.678^*	0.702^*	0.456	0.194	0.121	-0.484	-0.198
籽粒宽 Grain width	B2	0.251	0.394	0.690^*	0.170	0.518	-0.198	-0.696^*	-0.461
	B3	0.391	0.265	0.418	0.425	-0.065	-0.053	-0.533	-0.265
籽粒直径 Grain diameter	B1	0.576	0.419	-0.048	0.407	0.639	0.995^***	0.797^*	0.941^***	0.139
	B2	-0.744^*	0.287	-0.341	-0.631	-0.633	0.986^***	0.761^*	0.915^***	-0.071
	B3	-0.134	-0.504	-0.067	0.071	0.361	0.992^***	0.827^**	0.953^***	0.029
籽粒圆度 Grain circularity	B1	-0.401	0.081	0.460	-0.087	-0.413	-0.805^**	-0.998^***	-0.952^***	0.482	-0.798^*
	B2	0.732^*	0.045	0.642	0.585	0.796^*	-0.840^**	-0.998^***	-0.961^***	0.683	-0.769^*
	B3	0.346	0.613	0.339	0.173	-0.329	-0.867^**	-0.998^***	-0.958^***	0.526	-0.831^**
株粒数 Grain number per plant	B1	0.348	0.461	0.483	0.788^*	0.553	0.482	0.242	0.384	0.339	0.535	-0.244
	B2	0.012	-0.405	0.189	0.080	-0.248	-0.043	-0.082	-0.019	0.172	0.031	0.031
	B3	-0.401	0.149	0.018	-0.187	0.603	0.540	0.444	0.499	0.014	0.530	-0.430
千粒重 1000 grain- weight	B1	0.454	0.543	0.242	0.504	0.680^*	0.913^***	0.524	0.752^*	0.483	0.920^***	-0.523	0.607
	B2	-0.597	0.627	-0.196	-0.757^*	-0.251	0.821^**	0.425	0.633	0.262	0.840^**	-0.435	-0.007
	B3	-0.282	-0.101	0.300	-0.157	0.658	0.891^**	0.683^*	0.810^**	0.111	0.885^**	-0.671^*	0.677^*
株粒重 Grain weight per plant	B1	0.421	0.513	0.350	0.715^*	0.672^*	0.666	0.429	0.578	0.291	0.710^*	-0.427	0.971^***	0.737^*
	B2	-0.215	-0.151	0.073	-0.269	-0.332	0.247	0.070	0.195	0.244	0.316	-0.118	0.910^***	0.376
	B3	-0.476	0.075	0.070	-0.270	0.681^*	0.665	0.530	0.611	0.064	0.654	-0.515	0.960^***	0.813^**