High-Efficiency Control of Gray Mold by the Novel SDHI Fungicide Benzovindiflupyr Combined with a Reasonable Application Approach of Dipping Flower

被引：43

作者：

He, Leiming ^{[1
,2
]}

Cui, Kaidi ^{[1
,2
]}

Song, Yufei ^{[1
,2
]}

Mu, Wei ^{[1
,2
]}

Liu, Feng ^{[1
,2
]}

机构：

[1] Shandong Agr Univ, Coll Plant Protect, Shandong Prov Key Lab Biol Vegetable Dis & Insect, 61 Daizong St, Tai An 271018, Shandong, Peoples R China

[2] Shandong Agr Univ, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2018年 / 66卷 / 26期

关键词：

benzovindiflupyr; gray mold; dipping flower; spraying; cucumber; BASE-LINE SENSITIVITY; UBIQUINONE OXIDOREDUCTASE INHIBITORS; BOTRYTIS-CINEREA; STRAWBERRY FIELDS; SUCCINATE-DEHYDROGENASE; MOLECULAR CHARACTERIZATION; MULTIPLE RESISTANCE; DISCOVERY; EFFICACY; MECHANISMS;

D O I：

10.1021/acs.jafc.8b01936

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

In this study, a novel succinate dehydrogenase inhibitor (SDHI) fungicide benzovindiflupyr was found to have strong inhibitory activity against gray mold caused by Botrytis cinerea. The sensitivity of B. cinerea to benzovindiflupyr was determined by testing 103 pathogen isolates with mean values of 2.15 +/- 0.19 mg L-1 and 0.89 +/- 0.14 mg L-1 for mycelial growth and spore germination inhibition, respectively. Furthermore, benzovindiflupyr had excellent long-lasting protective activity. Unfortunately, there were positive correlations between benzovindiflupyr and boscalid (r = 0.3, P = 0.04) and between benzovindiflupyr and isopyrazam (r = 0.31, P = 0.04). In the field, cucumber flowers are susceptible to infection by B. cinerea. Benzovindiflupyr applied at 20 mg L-1 by dipping flowers could successfully control cucumber gray mold, with the benzovindiflupyr dose of dipping flower application less than 1% of that of spraying application. Benzovindiflupyr combined with dipping flower application showed significant control of gray mold.

引用

页码：6692 / 6698

页数：7