喷施不同叶面肥对烤烟生长和品质的影响

Effect of Spraying Different Leaf Fertilizers on the Growth and Quality of Fire-cured Tobacco

[目的]寻找适宜烟草生产的叶面肥,为生产中大面积推广叶面肥提供理论依据。[方法]以烟草K326为供试品种,研究分别喷施1.5 kg/hm2瑞培乐、保得微生物增效剂和多效开片剂3种叶面肥对烤烟上部叶开片效果、叶斑病害情况、烤后叶片外观质量、化学成分和评吸质量的影响。[结果]喷施3种叶面肥均能在不同程度上促进烤烟上部叶生长和品质的提高。喷施瑞培乐和多效开片剂能有效促进烤烟上部叶开片,改善烟叶结构,协调内在化学成分,提高评吸质量。[结论]在烟草生产中,应根据叶面肥特点和烟株生长情况选择叶面肥。含有中、微量元素的叶面肥能明显促进烤烟生长和提高烟叶品质。

[Objective] The aim of the research was to seek suitable leaf fertilizers for tobacco production and provide theoretical basis for popularizing the leaf fertilizer in large areas in the production. [Method] With tobacco variety K326 as tested material, the effects of spraying 3 kinds of leaf fertilizers of Ruipeile, Bulldock microbial synergist and muhi -effect leaf enlarging agent at 1.5 kg/hm^2 resp. on effect of increasing upper leaf area in flue-cured tobacco, leaf spot conditions and the appearance quality, chemical components and smoking quality of flue-cured tobacco leaves were studied. [Result] Spraying 3 kinds of leaf fertilizers could all promote the increasing of the growth and quality of upper leaves to different extents. Spraying Ruipeile and multi -effect leaf enlarging agent could increase upper leaf area, improve the structure of tobacco leaves, harmonize the internal chemical components and increase the smoking quality. [Conclusion] In tobacco production, leaf fertilizer should be chosen according to the characteristics of leaf fertilizer and the growth conditions of tobacco plants. The leaf fertilizer that contained mid - element and microelement could obviously promote the growth of flue-cured tobacco and increase the quality of tobacco leaves.