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[目的]为探明马里兰烟609品种株系的适应性,丰富马里兰烟种质资源,提高烟叶质量,完善优质马里兰烟生产技术体系。[方法]于2009年在大田条件下,研究了Md609品种不同株系的抗病性、植物学性状、经济性状、化学成分和评吸质量。[结果]Md609株系T3抗病性较好、感病率较低,且其产量、产值、均价表现均相对较好,化学成分较为协调,评吸得分较高。[结论]Md609株系T3更有利于增产增收及内在品质的提高,是马里兰烟种植的适宜株系。
[Objective] The research aimed to find out the adaptability of Maryland tobacco 609 lines, enrich the germplasm resources of Maryland tobacco, improve the quality of tobacco leaves and perfect the production system of high quality Maryland tobacco. [Method] In 2009 under field conditions, the disease resistance, plant characters, economic traits, chemical composition and smoking quality of different lines of Md609 were studied. [Result] T3 of Md609 strain had better disease resistance and lower susceptible rate, and its yield, output value and average price were relatively better, its chemical composition was more harmonious, and score of smoking was higher. [Conclusion] T3 of Md609 line was more favorable to the increase of yield and income and the improvement of its intrinsic quality, which was the suitable line for planting Maryland tobacco.