烤烟叶片发生、成熟与有效积温的关联分析

为筛选出烤烟叶片发生、成熟与有效积温的关系，采用盆栽试验研究了‘红花大金元’和K326不同移栽时间和不同施肥条件下第4、10、16叶位的烟叶发生、成熟与有效积温的关系，分析对烟株生长和烟叶产质量的影响。结果表明，不同移栽时间的第4叶位成熟所需有效积温为304．9～370．6℃，第10叶位成熟所需有效积温为569～706℃，第16叶位成熟所需有效积温为758．3～812℃。综合分析说明，相同叶位烟叶成熟时其有效积温的积累量是相对稳定的区段范围，可以通过大田试验验证利用不同叶位发生、成熟与有效积温的关系指导生产的可行性。

Relational Analysis of Flue Cured Tobacco Leaves, Mature and Effective Accumulated Temperature

For the relationship between selected flue-cured tobacco leaves, mature and effective accumulated temperature, the pot experiment was conducted to study the relationship between the ‘ HD＇ and K326 variety of different transplanting time and different fertilization conditions in 4, 10 and 16 leaf tobacco, mature and effective accumulated temperature, the author analyzed the influence on tobacco growth and quality of tobacco. The results showed that, different transplanting time fourth leaf maturity required for effective accumulated temperature of 304.9-370.6℃, tenth leaf maturity required for effective accumulated temperature of 569- 706℃, sixteenth leaf maturity required for effective accumulated temperature of 758.3-812℃. Comprehensive analysis showed that the same tobacco leaf maturity accumulation the effective accumulated temperature was relatively stable range, through the field test with different leaf position occurs, mature and effective accumulated temperature relationship for guiding the production feasibility.