[Objectives]The paper was to search for biopesticides with good control effect on grape gray mold.[Methods]A randomized field trial was carried out to compare the control effects of 100 million CFU/g Trichoderma harzi...[Objectives]The paper was to search for biopesticides with good control effect on grape gray mold.[Methods]A randomized field trial was carried out to compare the control effects of 100 million CFU/g Trichoderma harzianum WDG,200 million spores/g Trichoderma WP,24% validamycin AS,0.3% matrine AS on grape gray mold.[Results]Of the 4 biopesticides,200 million spores/g Trichoderma WP had the highest control effect on grape gray mold,with the control effect of 73.38% at 7 d post the second application,significantly higher than those of 100 million CFU/g T.harzianum WG and 0.3% matrine AS;the control effect was 75.77% at 14 d post the second application,significantly higher than those of other 3 biopesticides.[Conclusions]The 200 million spores/g Trichoderma WP shows a good control effect on grape gray mold with a long-lasting control effect,so it is more is for the control of summer black grape gray mold in Jianshui County.展开更多
基金Supported by Scientific and Technological Innovation Platform Construction Project for Biological Control Resources Exploration and Utilization in Yunnan Province(202207AB110009)。
文摘[Objectives]The paper was to search for biopesticides with good control effect on grape gray mold.[Methods]A randomized field trial was carried out to compare the control effects of 100 million CFU/g Trichoderma harzianum WDG,200 million spores/g Trichoderma WP,24% validamycin AS,0.3% matrine AS on grape gray mold.[Results]Of the 4 biopesticides,200 million spores/g Trichoderma WP had the highest control effect on grape gray mold,with the control effect of 73.38% at 7 d post the second application,significantly higher than those of 100 million CFU/g T.harzianum WG and 0.3% matrine AS;the control effect was 75.77% at 14 d post the second application,significantly higher than those of other 3 biopesticides.[Conclusions]The 200 million spores/g Trichoderma WP shows a good control effect on grape gray mold with a long-lasting control effect,so it is more is for the control of summer black grape gray mold in Jianshui County.
