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- Title
Preliminary Study on the Control of Kiwifruit Canker by 6% Ascorbic Acid Water Aqua.
- Authors
Kai Yan; Shiming Han; Jinli Wang; Yuping Zhang; Rongmao Huang
- Abstract
[Objectives] This study was conducted to investigate the control efficacy of 6% ascorbic acid water aqua on kiwifruit bacterial canker. [Methods] The ascorbic acid water aqua was sprayed onto annual potted kiwifruit seedlings once every 5 d, for three times in total, and Pseudomonas syringae pv. Actinidiae was inoculated by needle punching 7 d later. Scab diameter and number of newly infected scab were investigated to analyze the control efficacy. [Results] Kiwifruit plants were treated with 6% ascorbic acid water aqua, and after 30 d, the 20 mg/L treatment showed an incidence rate of 25.5%, and the 60 mg/L treatment exhibited an incidence rate only of 12.1%; and after 60 d, the relative control efficacy reached 90.7% at the mass concentration of 60 mg/L. [Conclusions] The 6% ascorbic acid water aqua weakened the destruction and expansion of the pathogen in plants, effectively improved the resistance in kiwifruit plants, and had certain control efficacy on kiwifruit canker.
- Subjects
KIWIFRUIT; CANKER (Plant disease); VITAMIN C; BACTERIAL disease of plants treatment; PSEUDOMONAS syringae
- Publication
Agricultural Biotechnology (2164-4993), 2018, Vol 7, Issue 2, p44
- ISSN
2164-4993
- Publication type
Article