再生稻次适宜区迟播栽对不同杂交籼稻淀粉RVA谱的影响

杨帆, 钟晓媛, 李秋萍, 李书先, 李武, 周涛, 李博, 袁玉洁, 邓飞, 陈勇, 任万军

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 Fan, ZHONG Xiao-Yuan, LI Qiu-Ping, LI Shu-Xian, LI Wu, ZHOU Tao, LI Bo, YUAN Yu-Jie, DENG Fei, CHEN Yong, REN Wan-Jun

表8 气象因子与RVA特征值相关性

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^**