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为探讨烤烟钼素营养的高效施肥技术,采用大田试验,在贵州黔南9个县市研究了等钼营养条件下,不同钼肥施用方式对烤烟生长、化学成分、香气成分、经济性状及评吸质量的影响。结果表明,钼能显著提高烟叶产量和产值,调节不同部位烟碱积累,提高烟叶含钾量和多数香气成分含量,提高烟气的香气量和总体质量。在每株80 mL钼肥稀释液施用剂量下,以移栽时浇施和现蕾期叶面等量喷施相结合的施钼方式(B2)效果最好;以团棵期和现蕾期分别叶面等量喷施的施钼方式(B3)效果次之。
In order to explore the efficient fertilization technology of molybdenum nutrition in flue-cured tobacco, field experiments were conducted to evaluate the effects of different molybdenum fertilizers on the growth, chemical composition, aroma components and economic characters of flue-cured tobacco in 9 counties and cities in southern Guizhou. Absorption quality effects. The results showed that molybdenum can significantly increase the yield and output value of tobacco leaves, regulate the accumulation of nicotine in different parts, increase the content of potassium in leaves and the content of most aroma components, and improve the aroma and overall quality of flue gas. Under the application dose of 80 mL diluted solution of molybdenum fertilizer per plant, the molybdenum application (B2) combined with the same amount of sprayed foliar spraying at budding stage had the best effect. When the flowering stage and the budding stage The foliar application of the same amount of spraying molybdenum (B3) effect second.