灌浆期高温与干旱胁迫对小麦籽粒淀粉合成关键酶活性及淀粉积累的影响

胡阳阳, 卢红芳, 刘卫星, 康娟, 马耕, 李莎莎, 褚莹莹, 王晨阳

Effects of High Temperature and Water Deficiency during Grain Filling on Activities of Key Starch Synthesis Enzymes and Starch Accumulation in Wheat

Yang-Yang HU, Hong-Fang LU, Wei-Xing LIU, Juan KANG, Geng MA, Sha-Sha LI, Ying-Ying CHU, Chen-Yang WANG

表4 小麦籽粒淀粉合成关键酶活性与淀粉积累的相关系数

Table 4 Correlation coefficients of activities of key starch synthesis enzymes with contents of starch and its components

淀粉 Amylose	淀粉合成关键酶 Key starch synthesis enzymes	开花后天数 Days after anthesis (DAA)
淀粉 Amylose	淀粉合成关键酶 Key starch synthesis enzymes	花后14 d 14 DAA	花后18 d 18 DAA	花后22 d 22 DAA	花后26 d 26 DAA
2015-2016
支链淀粉含量 Amylopectin content	GBSS	0.792^**	0.420	0.767^**	0.830^**
	SSS	0.962^**	0.668^*	0.322	0.938^**
	SBE	0.031	-0.274	0.824^**	0.941^**
	AGP	-0.316	0.165	0.903^**	0.943^**
	SS	-0.792^**	-0.500	0.818^**	0.939^**
直链淀粉含量 Amylose content	GBSS	0.881^**	0.516	0.552	0.825^**
	SSS	0.853^**	0.852^**	0.157	0.884^**
	SBE	0.133	-0.477	0.457	0.867^**
	AGP	-0.314	0.174	0.547	0.883^**
	SS	-0.685^*	-0.320	0.310	0.905^**
总淀粉含量 Total starch content	GBSS	0.820^**	0.530	0.812^**	0.836^**
	SSS	0.953^**	0.881^**	0.291	0.934^**
	SBE	0.051	-0.417	0.818^**	0.933^**
	AGP	-0.320	0.189	0.916^**	0.943^**
	SS	-0.781^**	-0.546	0.744^**	0.940^**
2016-2017
支链淀粉含量 Amylopectin content	GBSS	0.711^**	0.031	0.830^**	0.909^**
	SSS	0.880^**	0.637^*	0.669^*	0.953^**
	SBE	0.184	-0.305	0.914^**	0.968^**
	AGP	-0.099	0.274	0.884^**	0.968^**
	SS	-0.673^*	-0.531	0.925^**	0.962^**
直链淀粉含量 Amylose content	GBSS	0.829^**	0.829^**	0.550	0.791^**
	SSS	0.756^**	0.756^**	0.355	0.759^**
	SBE	0.309	0.309	0.456	0.836^**
	AGP	-0.225	-0.225	0.380	0.809^**
	SS	-0.463	-0.463	0.526	0.834^**
总淀粉含量 Total starch content	GBSS	0.739^**	0.042	0.821^**	0.902^**
	SSS	0.864^**	0.716^**	0.643^*	0.926^**
	SBE	0.209	-0.376	0.870^**	0.959^**
	AGP	-0.123	0.244	0.828^**	0.951^**
	SS	-0.640^*	-0.553	0.895^**	0.953^**