轮作方式和脚叶去留对烟草赤星病的影响研究
Study on the Effect of Alternaria alternata for Rotation Method and Wiping off and Leave over the Bottom Leaves

作者: 李文宇 :祁东县烟草公司,湖南 衡阳;湖南农业大学农学院,湖南 长沙; 贺 刚 , 廖衡斌 :祁东县烟草公司,湖南 衡阳; 朱旭东 :湖南农业大学农学院,湖南 长沙;

关键词: 轮作方式去除脚叶烟草赤星病Rotation Method Wiping off Leaves Alternaria alternata

摘要:
烟草赤星病是烟叶生产上主要病害之一,造成烟叶减产,严重影响烟叶质量。为降低烟草赤星病的发病程度,提高烟叶产量和质量,本研究采用裂区设计,以烟稻轮作、烟玉米轮作和烟烟连作为主处理,去除脚叶和留脚叶为副处理,探索了不同轮作方式下去除脚叶对烟草赤星病的控制效果。结果显示:在祁东烟区最佳的轮作方式是烟稻轮作配合去除脚叶,其次是烟稻连作留脚叶,再次是烟玉米轮作去除脚叶,最差的方式是烟烟连作留脚叶。因此,在祁东烟区应采用烟稻轮作去除3片脚叶的种植方式,不宜采用烟烟连作的种植方式。

Abstract: Alternaria alternata is one of the main diseases in tobacco producing. It reduced tobacco yield, and had a strong impact on quality of tobacco. In order to reduce the morbidity degree of Alternaria alternata and improve the yield and quality of tobacco, the split plot experiment design was used. The main plot were tobacco-rice rotation, tobacco-corn rotation and tobacco-tobacco continuous cropping, the split plot were wiping off and leave over the bottom leaves. The control effect for Alternaria alternata with different rotation method and combine with wiping off and leave over the botton leaves was explored. The results showed: the best rotation method was tobacco-rice rotation with wiping off the bottom leaves, the second was tobacco-rice with leave over the bottom leaves, the third was tobacco-corn rotation with wipping off the bottom leaves. The worst was tobacco-tobacco continuous corpping with leave over the bottom leaves. For this reason, the planting pattern was tobacco-rice with wiping off the bottom three leaves in Qidong. It was inappropriate for tobacco-tobacco continuous cropping.

文章引用: 李文宇 , 贺 刚 , 廖衡斌 , 朱旭东 (2017) 轮作方式和脚叶去留对烟草赤星病的影响研究。 农业科学, 7, 364-368. doi: 10.12677/HJAS.2017.75047

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