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2 穗颈瘟发生对辽星1号和C418外观品质的影响

Table 2 Effect of panicle neck blast on appearance quality of Liaoxing 1 and C418

品种 Cultivar 部位 Part 处理 Treatment 粒长 Length (mm) 粒宽 Width (mm) 长宽比 Length-width ratio 垩白率 Chalky rice rate (%) 辽星1号Liaoxing1 一次枝梗 Primary branch LX1-CK 7.30±0.03 3.16±0.01 2.31±0.01 5.03±0.30 LX1-disease 7.19±0.02 3.18±0.01 2.27±0.01 7.75±1.10 P值P-value 0.0116* 0.6178 0.0525 0.0136* 二次枝梗 Secondary branch C418-CK 7.15±0.04 3.04±0.02 2.19±0.01 19.23±1.60 C418-disease 7.04±0.05 3.08±0.04 2.00±0.05 15.36±10.61 P值P-value 0.0413* 0.4243 0.0002** 0.0976 C418 一次枝梗 Primary branch LX1-CK 8.50±0.02 3.12±0.01 2.73±0.01 18.92±0.77 LX1-disease 8.42±0.16 3.01±0.02 2.80±0.03 15.59±2.56 P值P-value 0.2781 0.0016** 0.0513 0.1284 二次枝梗 Secondary branch C418-CK 8.31±0.03 3.06±0.01 2.07±0.01 29.05±1.22 C418-disease 8.25±0.14 2.96±0.03 1.97±0.03 25.35±4.43 P值P-value 0.4419 0.0104* 0.0115* 0.1404