水稻灌浆期穗颈瘟发生对产量及茎节代谢产物的影响

潘争艳,刘博,蒋洪波,姚继攀,白元俊,徐正进

Effect of Panicle Neck Blast on Grain Yield and Stem Node Metabolites at the Rice Filling Stage

PAN ZhengYan,LIU Bo,JIANG HongBo,YAO JiPan,BAI YuanJun,XU ZhengJin

表1 穗颈瘟发生对辽星1号和C418产量构成因素的影响

Table 1 Effect of panicle neck blast on Liaoxing 1 and C418 yield components

品种 Cultivar	处理 Treatment	一次枝梗 Primary branch		二次枝梗 Secondary branch
品种 Cultivar	处理 Treatment	结实率 Seed setting rate (%)	千粒重 1000-grain weight (g)	结实率 Seed setting rate (%)	千粒重 1000-grain weight (g)
辽星1号 Liaoxing1	LX1-CK	95.05±4.05	25.39±0.74	89.59±8.91	22.35±0.79
	LX1-disease	92.28±7.45	24.64±4.05	84.42±17.52	21.15±3.81
	P值P-value	0.0016**	0.11	0.0004**	0.0218*
C418	C418-CK	87.11±5.11	27.54±0.88	81.03±7.04	23.68±1.53
	C418-disease	85.00±10.81	25.91±1.78	75.00±34.95	21.74±3.83
	P值P-value	0.0899	0.0037**	0.0116*	0.0136*