四川凉山烟区云烟87的特征、质量及防病减害措施.doc

四川凉山烟区云烟87的特征、质量及防病减害措施
叶谌睿 杨悦章 鲁松霖 左伟标 汪海生 胡正中 李祖盛 摘 要:为保障云烟87在四川凉山烟区的持续健康种植,对云烟87的特征、质量及防病减害措施进行了深入调查。结果表明:云烟87农艺性状稳定,外观质量较好,化学成分协调,评吸香气较足,但防病减害压力较大,需做好科学的预测和防治工作。
关键词:凉山烟区;云烟87;农艺性状;烟叶质量;防病减害
中图分类号 S572 文献标识码 A 文章编号 1007-7731(2019)20-0056-02
Abstract:In order to ensure the sustainable and healthy planting of Yunyan 87 in Liangshan tobacco-growing area of Sichuan Province,the characteristics,quality and disease control and disease reduction measures of Yunyan 87 were investigated in depth,and the results were analyzed and elaborated in combination with previous studies. The results showed that Yunyan 87 had distinctive,reasonable and stable agronomic characteristics,good appearance quality,good chemical composition coordination,and adequate aroma evaluation;The pressure of disease prevention and disease reduction is great,so scientific prediction and prevention should be done well.
Key words:Liangshan tobacco-growing area;Yunyan87;Characteristics;Quality;Disease prevention and reduction
云烟87是我国烟草种植的主要品种之一,在四川凉山烟区具有较好的质量优势。但是多年来的连续种植带来一定的问题,如品种退化、病虫害发生较多等。为了对云烟87品种的生长发育、烟叶质量和主要栽培问题等现状有更清晰的掌握,笔者对云烟87的特征、质量及防病减害措施进行了深入调查分析,并提出合理对策,保障云烟87在四川凉山烟区的持续健康种植。
1 云烟87的农艺性状
云烟87的株形属于塔型,打顶之后呈现一定的筒形特点,自然株高约185cm,打顶株高约100cm,自然叶数约27片,可采叶数约22片,叶片为椭圆型,最大叶片长宽约为75cm×30cm。节距分布均匀,打顶后顶叶角度合理,可充分接受阳光,满足光合作用的需要。花序颜色为粉红色,遗传特征较稳定。大田生育期在100d左右[1]。总体而言,农艺性状变异系数较小,表现较为稳定。