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大花月季白粉病发生情况研究

作  者:
刘耀玺;孙曾丽;党建军;孙攀
单  位:
河南省南阳市白河国家湿地公园管理处;河南林业职业学院;河南省南阳市花卉协会;河南省南阳市卧龙区石桥月季合作社
关键词:
大花月季;白粉病;发生;研究
摘  要:
为给大花月季白粉病的预防提供理论依据,选取河南省南阳市常见的7个大花月季品种作为试验材料,对这7个大花月季品种白粉病的发生情况进行了调查,并对其抗性进行了对比分析结果发现:‘摩纳哥公主’属白粉病高抗品种,‘亚历克红’和‘希望’均属白粉病中抗品种,‘金凤凰’与‘香欢喜’均属白粉病感病品种,‘梅郎口红’与‘查克红’属白粉病严重感病品种;月季白粉病受温湿度的影响极为明显,5月为白粉病发病初期,6—8月气温较高,白粉病发病率较低,9—10月气温降低、温差增大,是月季生长的最佳时期,但此时也最容易发生白粉病,11月发病率明显下降。
译  名:
Study on occurrence status of powdery mildew in Chinese rose with large flowers
作  者:
LIU Yaoxi;SUN Cengli;DANG Jianjun;SUN Pan;Henan Forestry Vocational College;Baihe National Wetland Park Management Office;Flower Association of Nanyang City;Wolong District Stone Bridge Rose Cooperatives;
关键词:
Chinese rose with large flowers;;powdery mildew;;occurrence;;research
摘  要:
In order to provide the basis for prevention of powdery mildew in Chinese rose with large flowers, using 7 common cultivars of Chinese rose with large flowers in Nanyang of Henan as experimental materials, occurrence status of powdery mildew in the cultivars was investigated, the resistances of the cultivars were analyzed and compared. The results were as follows: ‘Princesse de Monaco' belonged to the high resistance cultivar to powdery mildew; ‘Alec's Red' and ‘Kiboh' belonged to the middle resistance cultivar to powdery mildew; ‘Golden phoenix' and ‘Perfume Delight' belonged to the susceptible cultivar to powdery mildew; ‘Roage Meitland' and ‘Chuck red' belonged to the very susceptible cultivar to powdery mildew. Powdery mildew in Chinese rose was very obviously affected by temperature and humidity. May was the early occurrence period of powdery mildew. Chinese rose had lower incidence rate of powdery mildew from June to August because of higher temperature. The best growth period of Chinese rose was from September to October, which also was the most susceptible period of powdery mildew. Incidence rate of powdery mildew obviously declined in November.

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