新型叶面肥对烤烟生长发育及产量质量的影响

Effects of new leaf fertilizer on growth,yield and quality of flue-cured tobacco

以云烟87作为试验品种,在凉山州会理县益门镇下村进行新型叶面肥效果对比试验。结果表明,新型叶面肥对烤烟植物学性状、主要生育期影响不显著,对农艺性状(茎围、叶面积、株高)有明显影响,施用叶面肥后其茎围、株高和叶面积大于常规施肥对照(CK2);烤烟上、中、下部烟叶中总糖差异显著,总氮、烟碱、氯、钾等指标均与CK2差异不显著,对烟叶品质有提升作用但不显著;能增加产量、产值和中上等烟叶比例。

Using Yunyan 87 as the experimental variety,the fertilizer efficiency comparison test was carried out in Xia village,Yimen town,Huili county,Liangshan prefecture.The results showed that the new leaf fertilizer had no significant effect on botanical characters and main growth period of flue-cured tobacco,but had obvious effect on agronomic characters(stem circumference,leaf area,plant height).After applying leaf fertilizer,the stem circumference,plant height and leaf area of flue-cured tobacco were larger than those of conventional fertilization control(CK2);There were significant differences in total sugar between upper,middle and lower leaves of flue-cured tobacco,but there were no significant differences in total nitrogen,nicotine,chlorine and potassium between flue-cured tobacco leaves and CK2,which could improve the quality of flue-cured tobacco leaves but not significantly,and could increase the yield,the output value and the proportion of middle and upper class tobacco leaves.