影响甘薯收获期软腐病发生的指标筛选

张思梦, 倪文荣, 吕尊富, 林燕, 林力卓, 钟子毓, 崔鹏, 陆国权

Identification and index screening of soft rot resistance at harvest stage in sweetpotato

ZHANG Si-Meng, NI Wen-Rong, LYU Zun-Fu, LIN Yan, LIN Li-Zhuo, ZHONG Zi-Yu, CUI Peng, LU Guo-Quan

表5 甘薯软腐病病斑直径与各指标的灰色关联度及排序

Table 5 Grey correlation degree and sequence of spot diameter and indexes of soft rot disease in sweetpotato

序列 Indicator 测定指标 Index 关联度γ Correlation degree γ 权重 Weight 位次 Rank X4 果糖 Fructose 0.5145 0.1668 1 X6 过氧化物酶 Peroxidase 0.4996 0.1620 2 X3 咀嚼性 Chewiness 0.4566 0.1480 3 X8 苯丙氨酸解氨酶 L-phenylalanin ammo-nialyase 0.4144 0.1344 5 X1 内聚性 Cohesiveness 0.4248 0.1377 4 X2 弹性 Springiness 0.4069 0.1319 6 X5 粗蛋白 Crude protein 0.3675 0.1192 7