不同密度和留叶数对烤烟质体色素及其降解产物的影响  

Effects of Different Planting Densities and Numbers of Remaining Leaves on Components of Chromoplast Pigment and Its Degraded Products in Flue-cured Tobacco Leaf

作　　者：赵辉[1] 赵铭钦[1] 程玉渊[2] 习红昂 王文基[1] 卢叶[1] 

机构地区：[1]河南农业大学烟草学院,河南郑州450002 [2]河南省烟草公司南阳市公司,河南南阳473061 [3]南阳市方城县烟草公司,河南方城473200

出　　处：《江苏农业学报》2010年第1期46-50,共5页Jiangsu Journal of Agricultural Sciences

基　　金：国家烟草专卖局重大科技攻关项目(110200401004)

摘　　要：在河南省南阳生态条件下,以烤烟(Nicotiana tobacumL.)品种云烟87为试材,研究了不同密度和留叶数对烤烟质体色素及降解产物含量的影响。结果表明:不同种植密度、留叶数、密度×留叶数互作对质体色素及其降解产物的影响均显著;质体色素及其降解产物随种植密度的增加而呈现先增加后减少的变化;在每株留叶22片的处理中,叶绿素a、叶绿素b、叶绿素和类胡萝卜素含量均最高,分别为0.020 2 mg/g、0.015 7 mg/g、0.035 9 mg/g和0.365 8 mg/g;在种植密度(行株距)为120 cm×55 cm、每株留叶22片的处理中,叶绿素降解产物新植二烯含量和类胡卜素降解产物总量均最高,分别为1 071.000 0μg/g和64.17μg/g,占挥发性香气总量的87.54%和5.25%。The effects of different planting densities and numbers of remaining leaves on the contents of chromoplast pigment and its degradation products of flue-cured tobacco leaves were studied in Nanyang of Henan Province. A tobacco （Nicotiana tobacum L. ）cuhivar Yunyan 87 was selected as the material. The results showed that the effects of different planting densities, numbers of remaining leaves and their interaction on the contents of chromoplast pigment and its degraded products of flue-cured tobacco leaves were significant. Chromoplast pigment and its degraded products firstly increased then decreased with the increase in planting density. In the treatment in which 22 leaves per plant were remained, the contents of chlorophyll a, chlorophyll b, total chlorophyll and carotenoid reached 0. 020 2 mg/g, 0. 015 7 mg/g, 0.035 9 mg/g and 0. 365 8 mg/g,respectively,which were the highest among the treatments of different numbers of remaining leaves. In the treatment in which the cuhivar was planted at the row spacing of 120 crux55 cm and 22 leaves per plant were remained, the contents of degraded products of chlorophyll and carotenoid were the highest among the tratments of the interaction of plant-ing densityand number of remaining leaves, which were 1 071. 000 0 μg/g and 64. 17 μg/g,respectively, accounting for 87.54% and 5. 25% of aroma contents, respectively.

关 键 词：烤烟 密度 留叶数 质体色素 降解产物 

分 类 号：S572.01[农业科学—烟草工业]