安徽农业科学2012，Vol.40Issue(33)：16081-16082,2.
衡阳烤烟漂浮育苗电增温壮苗技术研究
Study on Technology of Strengthening the Flue-cured Tobacco(Nicotiana tabacum L.) Seedlings Nurturing by Floated in A Pool by Electric Heating in Hengnan Region
彭金良 1陈启新 1刘健1
作者信息
- 1. 湖南省衡南县烟草专卖局,湖南衡阳421000
- 折叠
摘要
Abstract
[Objective] The technology of nurturing the flue-cured tobacco seedlings by floated in a pool has been wide-ranging used in Hengyang municipal region of Hunan province as an advance seedling-nurturing technology, but the seedlings still affected negatively by the weather of low temperature and little sunshine happened frequently during the winter in this region. This trail is conducted to study the effect of electric heating on the flue-cured tobacco seedlings. [ Method] The flue-cured tobacco variety was Yunyan 87, and the main equipment was insulated electric heating equipment tiling in the field. Treatment Tl: water temperature kept 18 t from seedlings emergence to becoming into bigger seedlings; treatment T2: water temperature kept 15 t from seedlings emergence to becoming into bigger seedlings; treatment T3: water temperature was warmed to 10 ℃ from seedlings emergence; control: conventional treatment, no heating(CK). [Result] Heating treatment significantly improved water temperature of breeding pole and surface temperature of breeding seedlings plate to make tobacco seedlings against frozen injury in breeding pole. At the same sowing time, heating relatively shortened tobacco seedlings'growth period and layed a basis for its domestication and successfully transplanting. Moreover, heating effectively promoted agronomic traits indices, such as tobacco seedlings'establishing rate, height, stem diameter, the maximum width of leaf, and fresh and dry weight of stem and leaf and dry weight of root, so the tobacco seedlings'overall quality improved significantly, and Tl appeared the best. [Conclusion] It is concluded that electric heating is helpful to improve the flue-cured tobacco seedlings quality obviously, significant difference happening in the temperature of 18 ℃.关键词
漂浮育苗/烤烟/电增温Key words
Seedlings nurturing by floated in a pool/ Fuel-cured tobacco/ Electric heating分类
农业科技引用本文复制引用
彭金良,陈启新,刘健..衡阳烤烟漂浮育苗电增温壮苗技术研究[J].安徽农业科学,2012,40(33):16081-16082,2.
