叶面喷施硒肥对烤烟的影响

›› 2007, Vol. 9 ›› Issue (2): 61-65.

叶面喷施硒肥对烤烟的影响

高家合李梅云晋艳

云南省烟草科学研究所,玉溪653100

收稿日期:2007-01-05 修回日期:2007-03-01 出版日期:2007-04-15 发布日期:2009-09-29
作者简介:高家合(1971一)|男|助理研究员；主要从事烟草栽培研究工作。E-mail：gjh0888@yahoo．com．cn
基金资助:
云南省烟草专卖局（公司）科技项目06A05.

Effects of spraying Se fertilizer to leaves on flue-cured tobacco

GAO Jia-he, LI Mei-yun|JIN Yan

Yunnan Tobacco Science Research Institute, Yuxi 653100, China

Received:2007-01-05 Revised:2007-03-01 Online:2007-04-15 Published:2009-09-29

摘要/Abstract

摘要：

通过大田叶面喷施硒肥试验,研究了硒肥对烤烟生长、叶绿素含量、烟叶硒含量等的影响。结果表明：硒肥有促进烟株生长的作用,施用硒肥时间越早,促进作用越大。第5叶的叶绿素a、叶绿素b、叶绿素a＋b、类胡萝卜素含量,喷施硒肥的处理极显著大于对照;第10叶的叶绿素a含量喷施硒肥的处理显著大于对照;第14叶的叶绿素a含量喷施硒肥的处理显著小于对照。喷施硒肥时期越迟,叶片平均硒含量越高。叶面喷施硒肥的利用率为1.41%-3.27%,平均为2.37%。

关键词: 烤烟亚硒酸钠叶面喷施叶绿素利用率

Abstract:

Effects of selenium （Se） fertilizer on Flue-cured tobacco growth, chlorophyll and Se content were studied by spraying Se fertilizer on tobacco leaves surface in fields. The results indicated that Se fertilizer had a promoting effect on the growth of tobacco plant, and this function was higher with the earlier time of spraying. The chlorophyll a, chlorophyll b,chlorophyll a ＋ b and carotenoid contents of the 5^th leaf with spraying Se fertilizer were more than that of CK, significantly. The chlorophyll a content of the treated 10^th leaf was more than CK significantly. The chlorophyll a content of the treated 14^th leaf was less than CK significantly. The average Se content of leaves was higher with the later time of spraying. The utilization ratio of Se fertilizer was 1.41% - 3.27% and the average ratio was 2.37%.

Key words: flue-cured tobacco, sodium selenite, leaf-surface spraying, chlorophyll, utilization ratio

中图分类号:

S572

高家合李梅云晋艳. 叶面喷施硒肥对烤烟的影响[J]. , 2007, 9(2): 61-65.

GAO Jia-he, LI Mei-yun|JIN Yan. Effects of spraying Se fertilizer to leaves on flue-cured tobacco[J]. , 2007, 9(2): 61-65.

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