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3 穗颈瘟发生对辽星1号和C418碾磨品质影响

Table 3 Effect of panicle neck blast on milling quality of Liaoxing 1 and C418 (%)

品种 Cultivar 处理 Treatment 一次枝梗 Primary branch 二次枝梗 Secondary branch 糙米率 Brown rice 精米率 Milled rice 整精米率 Head milled rice 糙米率 Brown rice 精米率 Milled rice 整精米率 Head milled rice 辽星1号Liaoxing1 LX1-CK 81.26±0.30 71.19±2.25 69.99±2.21 80.55±3.00 69.81±1.84 67.22±2.25 LX1-disease 80.03±4.54 69.07±2.08 64.44±12.41 79.16±1.63 68.38±6.05 63.76±4.21 P值P-value 0.1964 0.0688 0.0179* 0.1797 0.5054 0.0061** C418 C418-CK 78.44±0.95 66.47±9.88 62.96±13.91 76.75±3.02 64.88±1.68 63.06±6.15 C418-disease 74.98±13.96 62.41±9.48 57.43±14.50 72.47±4.42 60.93±6.90 56.92±8.05 P值P-value 0.1517 0.0741 0.0081** 0.0956 0.0941 0.0444*