提高山東煙葉鉀含量配套措施的研究

Related techniques for improving potassium content of tobacco leaves

摘要: 本文采用專用控釋肥、生長(zhǎng)調(diào)節(jié)劑,、成熟期灌溉等技術(shù)措施探討提高山東煙葉鉀含量的有效途徑,。結(jié)果表明，專用控釋肥K1 有利于煙株對(duì)鉀的吸收,，增加株高,、節(jié)距和葉長(zhǎng)，提高煙葉對(duì)氣候斑,、野火病,、TMV 和CMV 的抗性，對(duì)改善煙葉香氣質(zhì),、燃燒性和灰色有一定作用,。旺長(zhǎng)期施用蕓苔素使野火病的病情指數(shù)和氯含量有所降低，上等煙比例、均價(jià),、產(chǎn)量和產(chǎn)值均有所提高,。成熟期灌溉使煙葉氯含量有所降低，但病害有所加重,。

Abstract: The field experiment using slow release fertilizer, growth regulator and irrigation in mature stage revealed that Slow release potassium K1 could enhance potassium adsorption of tobacco plants, increase the plant height, the length of internode and leaves, improve the resistance to weather fleck, wild fire disese, TMV and CMV, and enhance aroma quality, combustibility and ash color. The brassinolide used in fast growth period could decrease the wild fire disease index and content of chlorine in tobacco leaves, and improve the first grade leaf proportion, average price, yields and economic value. The irrigation in mature stage could decrease the content of chlorine, but tobacco diseases were more serious.