抽穗开花期喷施MeJA对粳稻产量和品质的影响

杨宇尘, 杜志敏, 张小鹏, 李坤译, 沈家琪, 徐海

Effects of Spraying Methyl Jasmonate on Yield and Grain Quality of Japonica Rice during Heading and Flowering Stage

Yang Yuchen, Du Zhimin, Zhang Xiaopeng, Li Kunyi, Shen Jiaqi, Xu Hai

表2 不同浓度MeJA处理对4个粳稻稻米品质的影响

Table 2 Influence of different concentrations of MeJA on grain quality traits of four japonica rice cultivars

品种 Cultivar MeJA浓度 MeJA concentration (mmol/L) 糙米率 Brown rice rate (%) 精米率 Milled rice rate (%) 整精米率 Head milled rice rate (%) 垩白度 Chalkiness degree 垩白粒率 Chalky rice rate (%) 蛋白质含量 Protein content (%) 直链淀粉含量 Amylose content (%) 食味值 Taste score 北粳1号 0(CK) 78.55aA 69.97aA 65.60aA 1.67aA 6.77aA 6.90bB 18.87aA 89.33aA Beijing 1 4 77.57aA 68.79aA 63.69aA 1.43aA 6.00aA 7.53aA 18.23aAB 87.00aAB 8 73.86abA 64.89abAB 58.45aAB 1.37aA 5.97aA 7.70aA 18.00abAB 87.00aAB 16 65.17bA 56.55bB 48.82bB 2.03aA 8.53aA 7.83aA 16.63bB 82.67bB 沈稻6号 0(CK) 78.55aA 69.52aA 61.72aA 0.57aA 2.03aA 6.60cB 19.10aA 89.00aA Shendao 6 4 78.87aA 70.23aA 60.65aA 0.63aA 2.53aA 7.37bA 18.87aA 89.33aA 8 71.98aA 63.85abA 55.15aAB 0.90aA 3.77aA 7.57abA 18.23abAB 86.33abAB 16 69.16aA 59.17bA 46.37bB 1.37aA 4.83aA 7.73aA 16.83bB 83.67bB 辽粳9号 0(CK) 68.58abAB 61.06aAB 56.54aA 1.63aA 5.60aA 6.50dC 19.03aA 89.00aA Liaojing 9 4 74.80aA 65.99aA 60.31aA 0.80aA 3.03aA 7.50cB 17.77aAB 86.00abAB 8 75.79aA 66.00aA 58.38aA 0.73aA 3.07aA 7.83bAB 16.33bB 83.00bB 16 59.02bB 50.81bB 37.34bB 1.43aA 5.20aA 8.23aA 12.43cC 74.33cC 丰锦 0(CK) 75.96aA 65.79aA 58.47aA 4.27abA 14.37aA 7.03bB 18.67aA 88.33aA Fengjin 4 76.52aA 63.70aA 52.03abAB 3.70abA 12.40aA 7.60aA 17.47abAB 84.67bA 8 60.91bB 49.58bB 38.93cC 5.20aA 14.60aA 7.87aA 16.60bB 84.33bA 16 69.23abAB 58.58aAB 47.10bBC 3.33bA 10.80aA 7.83aA 16.67bB 83.33bA