江西农业学报Issue(1)：51-55,5.
江西典型土壤条件下烤烟叶片细胞超微结构比较研究
Comparative Study on Ultrastructure of Flue-cured Tobacco Leaf Cells under Representative Soil Conditions in Jiangxi Province
摘要
Abstract
To compare the different effect of soil conditions on the cellular ultrastructure of flue-cured tobacco in Guangchang county of Jiangxi province, Nicotiana tabacum L.cv.K326 was planted in two regions of Guangchang, where was typical sandy loam paddy soil and dryland purple soil, respectively.The dynamic condition of cell ultrastructure of starch grain, osmiophilic globule, thylakoid and cell nucleus of flue-cured tobacco leaf cells planted in these two soil conditions were compared using scan-ning electron microscopy (SEM) technique under different developmental stage.The results showed that the leaf cell structure on different soil conditions showed little difference, cell nucleus broke up, starch grain accumulated, the amount of osmiophilic glob-ule increased, chloroplast degraded and the amount of thylakoid decreased with the development to mature of the leaves.Compared these two kinds of soil conditions, which found that the accumulation of cell inclusion was more abundant, alsothe number of starch grain and osmiophilic globule were increased, and the volume became bigger.Especially in the late maturation stage, when the disintegration of tobacco leaf cells was more thoroughly, the cell nucleus broke up, the membrane of chloroplast disappeared and thylakoid lamellas became thinner on the sandy loam paddy soil.Based on the above speculated that the accumulation of to-bacco leaf cell inclusions and the degradation in the late maturity could be benefited on the sandy loam paddy soil condition, the development of chloroplast of leaf cells could be benefited on the dryland purple soil condition, in which the abundant thylakoids might be closely related the tobacco characteristic style on the dryland purple soil in Jiangxi province.关键词
土壤/烟草/叶片/超微结构Key words
Soil/Flue-cured tobacco/Leaf/Cellular ultrastructure分类
农业科技引用本文复制引用
路小改,张松涛,程谦,连文力,张嘉炜,何朋朋,崔红..江西典型土壤条件下烤烟叶片细胞超微结构比较研究[J].江西农业学报,2016,(1):51-55,5.基金项目
江西烟叶物质代谢规律及调控研究（201201003）。 （）
