为探索‘云烟97’在武陵烟区适宜的栽培行株距配置,2012年4—12月在重庆市武隆县出水村进行了田间试验,研究了行株距配置对云烟97农艺性状、化学成分和经济性状得影响。结果表明,较宽的行株距配置能够提高烟株移栽后60天烟株的田间长势,其中行距120 cm、株距50 cm和行距120 cm、株距60 cm的表现较好。烤后烟叶中的总糖和还原糖含量整体偏高,处理组合行距120 cm、株距40 cm的烤后烟中部叶化学成分协调性较好。试验因素株距对产量的影响要大于行距,但是行距对产值和上等烟比例的影响大于株距,行距120 cm、株距40 cm产量、产值和上等烟比例表现最优。综合分析,在武陵烟区,种植‘云烟97’选择行距120 cm、株距40 cm较为适宜。
Abstract
In order to explore the suitable row-spacing of ‘Yunyan 97’ in Wuling tobacco-growing region, field experiment was conducted in Water village ,Wulong County, Chongqing City from April to December in 2012 and effects of row-spacing on agronomic characters, chemical composition and economic characters of Yunyan 97 were studied. The results showed that: Wider row-spacing could improve tobacco-growing situation at the 60th day after transplanting, that row spacing 120 cm×50 cm and 120 cm×60 cm performed better. Total sugar content and reducing sugar content of flue-cured tobacco were all higher, and row spacing 120 cm×40 cm could make a better chemical compatibility for middle leaves. Influence of spacing on yield was greater than row spacing, but influence of row spacing on output value and high grade leaf proportion was greater than the spacing, Comprehensive analysis, in Wuling tobacco-growing region, The suitable row-spacing of ‘Yunyan 97’ was row spacing 120 cm and spacing 40 cm.
关键词
烤烟;行株距配置;农艺性状;化学成分;经济性状
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Key words
flue-cured tobacco; row-spacing; agronomic character; chemical composition; economic character
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脚注
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