| K2HPO4诱导黄瓜抗炭疽病研究 |
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| 引用本文： | 蔡鸿生,马青,王晨芳,张双玺,周明洁.K2HPO4诱导黄瓜抗炭疽病研究[J].西北农林科技大学学报(社会科学版),2005,33(Z1):82-84. |
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| 作者姓名： | 蔡鸿生 马青 王晨芳 张双玺 周明洁 |
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| 作者单位： | 西北农林科技大学,植物保护学院,陕西,杨凌,712100 |
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| 基金项目： | 教育部"春晖计划"项目(2002-317);西北农林科技大学重点科研项目 |
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| 摘 要： | 研究了磷酸盐(K2HPO4)诱导黄瓜对黄瓜炭疽病(Colletotrichumlagenarium)的抗病性表现。结果表明,50mmol/L的K2HPO4有较好的诱导效果,诱导效果可达57.81%,并于诱导处理后第3天表现出最佳诱导抗性;K2HPO4诱导黄瓜对炭疽病的抗性具有系统性;1~100mmol/L的K2HPO4对炭疽菌菌丝生长无抑制作用,但50mmol/L以上浓度可抑制孢子萌发。
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| 关 键 词： | K2HPO4 诱导抗性 黄瓜炭疽病 |
| 文章编号： | 1671-9387(2005)S0-0082-03 |
| 修稿时间： | 2005年7月21日 |
Effect of K2HPO4 on resistance induction of cucumber against Colletotrichum lagenarium |
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| CAI Hong-Sheng,MA Qing,WANG Chen-fang,ZHANG Shuang-xi,ZHOU Ming-jie.Effect of K2HPO4 on resistance induction of cucumber against Colletotrichum lagenarium[J].Journal of Northwest Sci-Tech Univ of Agr and,2005,33(Z1):82-84. |
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| Authors: | CAI Hong-Sheng MA Qing WANG Chen-fang ZHANG Shuang-xi ZHOU Ming-jie |
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| Institution: | (College of Plant Protection,Northwest A & F University,Yangling,Shaanxi 712100,China) |
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| Abstract: | The induced resistance to C.lagenarium was conducted through cucumber treated with K_2HPO_4.The result showed that the induced resistance in cucumber treated with 50 mmol/L K_2HPO_4 had better effect reaching 57.81%.The third day expressed the best effect after K_2HPO_4 treatment.The result also showed that K_2HPO_4 had induction of systemic resistance in cucumber against anthracnose.K_2HPO_4 had no inhibition to the mycelial growth of C.lagenarium at the concentration from 1 to 100 mmol/L,but had some degree of inhibition to the spore germination at the concentration from 50 mmol/L up. |
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| Keywords: | K_2HPO_4 induced resistance cucumber anthracnose |
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