棉花内生细菌YUPP-10及其分泌蛋白CGTase对棉花枯萎病的防治作用及机理

周京龙,冯自力,魏锋,赵丽红,张亚林,周燚,冯鸿杰,朱荷琴

Biocontrol Effect and Mechanism of Cotton Endophytic Bacterium YUPP-10 and Its Secretory Protein CGTase Against Fusarium Wilt in Cotton

ZHOU JingLong,FENG ZiLi,WEI Feng,ZHAO LiHong,ZHANG YaLin,ZHOU Yi,FENG HongJie,ZHU HeQin

表5 CGTase处理后对产孢和孢子萌发的影响

Table 5 Effect of CGTase on sporulation and spore germination of F. oxysporum

蛋白浓度 Protein concentration (mg·mL-1) 产孢 Sporulation 孢子萌发Spore germination 产孢量 Spore yield (cfu/mL) 抑制率 Inhibition rate (%) 萌发率 Germination rate (%) 抑制率 Inhibition rate (%) 0 35.40±1.51a - 42.62±2.13a - 0.12 22.30±0.17b 37.01 38.06±3.35b 10.70 0.24 14.32±1.09c 59.55 32.25±2.19c 24.33 0.48 13.23±0.83c 62.63 29.48±1.62d 30.83