ZHU Lu-lu,LI Shuai,LI Jing-fu,et al.Study on the Resistance Induced by Several Chemicals Against Powdery Mildew in Tomato[J].Northern Horticulture,2013,37(20):109-111.
几种化学诱导剂对番茄白粉病抗性的诱导作用
- Title:
- Study on the Resistance Induced by Several Chemicals Against Powdery Mildew in Tomato
- 文章编号:
- 1001-0009(2013)20-0109-03
- Keywords:
- tomato powdery mildew; inducer; induced resistance
- 分类号:
- S 436.412.1+9
- 文献标志码:
- A
- 摘要:
- 以感白粉病番茄品种09888为试材，分别用不同浓度的β-氨基丁酸(BABA)、苯并噻二唑(BTH)、壳质糖(CTS)及硅酸钾(K2SiO3)喷雾处理番茄幼苗，随后全株接种白粉菌，研究其对番茄白粉病抗性的诱导作用。结果表明：BABA和BTH的诱导效应最为明显，诱导番茄对白粉病产生抗性，显著降低了病情指数，其最高相对防效分别达67.50%和64.00%，并提高了与抗病有关的过氧化氢酶(CAT)、过氧化物酶(POD)的活性。其中BABA的最佳诱导浓度为500 mg/L，BTH为50 mg/L。
- Abstract:
- Taking tomato variety 09888 which was susceptible to tomato powder mildew as material，the induced resistance of different concentrations of β-amino butyric acid (BABA)，benzothiadiazole (BTH)，chitin sugar (CTS) and potassium silicate(K2SiO3) to tomato powder mildew were investigated.Four chemicals were spraying at seedling stage and then the whole plant was inoculated with powdery mildew.The results showed that the inductive effect of BABA and BTH were the most obvious and the biggest relative cure effect were 67.50% and 64.00% respectively.BABA and BTH can induce tomato resistant to powdery mildew and improve the activities of disease-related enzymes，such as catalase (CAT) and peroxidase (POD).The effects of 500 mg/L BABA and 50 mg/L BTH were significantly better than others.
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备注/Memo
第一作者简介：朱路路（1987-），女，硕士，研究方向为种质资源的研究和利用。E-mail:flytolulu@126.com.