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2011—2013年,引进美国烟草特有亚硝胺(TSNAs)和亚硝基降烟碱(NNN)双低烟草品种TN90LC进行试验示范。结果表明:TN90LC原烟的TSNAs、NNN含量及烟碱转化率低于对照鄂烟1号;平均产量2 638.60 kg/hm~2,平均上中等烟率86.06%;中抗至抗黑胫病,抗TMV,中抗根结线虫病;原烟外观质量、感官评吸质量较好,主要化学成分含量适宜且协调性好。综合评价TN90LC是较能兼顾低害、优质、适产、抗性的优良品种。
From 2011 to 2013, TSNAs and NN90 double low-nitrogen tobacco variety TN90LC were introduced for demonstration. The results showed that the TSNAs, NNN content and nicotine conversion rate of TN90LC were lower than that of control E-yan 1; the average yield was 2638.60 kg / hm ~ 2, with an average of 86.06% Anti-TMV, medium root-knot nematode disease; raw tobacco quality appearance, sensory evaluation of smoking quality is good, the main chemical composition and coordination of good content. Comprehensive evaluation TN90LC is more able to take into account the low harm, high quality, fitness, resistance of fine varieties.