河南农业科学2013，Vol.42Issue(5)：105-109,5.
利用葡萄籽油防治桃子采后褐腐病的研究
Application of Grape Seed Oil to Control Brown Rot of Postharvest Peaches
摘要
Abstract
In this study,the efficacy of grape seed oil (GFO) at different concentrations (0.5％,0.1％,0.05％,0.01％) in controlling brown rot caused by Monilinia fructicola on postharvest peaches was evaluated in artificially-wounded peaches or under storage conditions,and moreover,the effects of GFO on fruit quality parameters including firmness,total soluble solids,ascorbic acid and titratable acidity were investigated.In vitro,when M.fructicola at 5 × 104 cfu/mL was cultured at the presence of GFO at the concentration of ≥0.05 ％,the pathogen spore germination was completely inhibited by GFO; In vivo,when M.fructicola at 5 × 104 cfu/mL was inoculated into artificially-wounded peaches followed by inoculating GFO,GFO at the concentration of≥0.05％ reduced the brown rot diameter by more than 50％,but no significant difference was observed between 0.1％ and 0.5％.However,when the concentration of GFO was 0.01％,the control efficacy in vivo was significantly decreased.Therefore,the optimal concentration of GFO in controlling brown rot on postharvest peaches was defined as 0.1％.When stored at 1 ℃ and 96％ RH for 21 days,the disease incidence of 0.1％ GFO-treated peaches was 20.0％,the disease incidence of the fungicide (tebuconazole)-treated peaches was 18.7 ％,and the disease incidence of the control group was 45.5％,showing that the efficacy of 0.1％ GFO in controlling brown rot was 56.0％,which was very similar to that of fungicide(58.9％).Fruit quality parameter assessment indicated that GFO had no significant effects on the peach quality.As far as we know,this is the first report on application of non-harmful grape seed oil to control the brown rot on postharvest peaches as an alternative to fungicide.关键词
桃子/采后病害/褐腐病/葡萄籽油/防治效果Key words
peach/ postharvest disease/ brown rot/ grape seed oil/ control efficacy分类
农业科技引用本文复制引用
张殿朋,韩雪梅,卢彩鸽,张晓元,刘伟成..利用葡萄籽油防治桃子采后褐腐病的研究[J].河南农业科学,2013,42(5):105-109,5.基金项目
北京市农林科学院青年科研基金项目(QNJJ201317) （QNJJ201317）
