Research on the prevention and control of wheat scab by endophytic fungal fermentation broth
In order to clarify the preventive effects of endophytic fungal fermentation broth on wheat scab and its impact on wheat safety,a series of experiments was conducted to verify its effectiveness.The indoor plate confrontation results showed that CK-25 had the best confrontation effect,the highest inhibition rate,and a prevention effect of 89.60%,followed by CK-20 and CK-15,and the worst was CK-10.The spore germination results showed that CK-10 had the strongest spore germination rate,with a germination rate of 88.73%,followed by CK-15 and CK-20,and CK-25 had the worst germination rate.The greenhouse pot experiment results showed that the fermentation broth of endophytic fungi significantly improved the prevention effect on wheat scab.Among them,the incidence rate of CK-25 was the lightest,with 68.75%of Prevention and control effect of diseased panicle rate and 3.00 of disease index.The control effect of disease index was the best,78.57%.The results of field experiments showed that CK-25 had the lightest diseased panicle rate of 22.00%,Prevention and control effect of diseased panicle rate of 71.79%,a disease index of 2.30,and a disease index control effect of 75.79%,and had no effect on wheat growth.In summary,endophytic fungal fermentation broth can prevent and control wheat scab,and different concentrations of endophytic fungal fermentation broth have different prevention effects on wheat scab.Endophytic fungal fermentation broth can be used as a means of resistance to wheat scab.
万方数据
维普
