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- Title
Field Control Effects of Four Biopesticides on Grape Gray Mold.
- Authors
Rui MA; Jianbin WEN; Wenwu SHEN; Hongyan ZHAN; Jiahua XIE; Mao CHENG
- Abstract
[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.
- Subjects
INDUCTIVE effect; TRICHODERMA harzianum; MOLD control; TRICHODERMA; BOTRYTIS cinerea; FUNGAL spores
- Publication
Plant Diseases & Pests, 2022, Vol 13, Issue 3, p8
- ISSN
2152-3932
- Publication type
Article
- DOI
10.19579/j.cnki.plant-d.p.2022.03.003