剪叶对槟榔生长状况的影响  

Effects of Cutting leaves on growth conditions of Areca catechu

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作  者:朱日高 

机构地区:[1]海南大学机电工程学院,海口570228

出  处:《湖北农业科学》2013年第1期118-120,共3页Hubei Agricultural Sciences

摘  要:为探寻促使槟榔(Areca catechu)叶片早脱落,槟榔提前开花的方法,以七年生海南本地槟榔为试验对象,对槟榔最下面3片大叶进行纵向不同程度剪叶,研究其对叶片含水量、叶绿素含量及内含物的影响,以此了解剪叶对槟榔生长状况的影响。结果表明,剪叶处理对槟榔生长状况产生了一定的影响,剪叶程度不同产生的影响也不同。对照组中即自然状态下叶片含水量一直处于下降趋势,纵向剪叶可使叶片含水量处于比较平稳的状态;剪叶对最下面的叶片叶绿素含量影响明显,剪叶程度越大越明显,但对于整体叶绿素含量无明显影响;剪叶后蛋白质含量先升后降;淀粉含量先降再升再降再升;可溶性糖含量先升高后降低最后保持平衡状态。To explore methods for urge the defoliation and flowering of betelnut(Areca catechu),taking 7-year-old local betelnut in Hainan as experimental objects,the bottom 3 big leaves was cut through the longitudinal direction for different degree,of which the effects on content of water,chlorophyll and inclusions in leaf was studied so that the effects of cutting leaves on growth conditions of betelnut could be understand.The results showed that cutting leaves had certain effects on growth conditions of betelnut,and the effects differed with the difference of cutting degree.In leaves under nature conditions which was not cut,the water content decreased continuously,while cutting leaves through the longitudinal direction could hold water content stable.The effect of cutting leaves on chlorophyll content was the most obvious in the lowest leaves,the higher the cutting degree,the more obvious the effect was.However,the effect of cutting leaves on chlorophyll content of the whole was not obvious.After cutting leaves,the protein content increased firstly and then decreased,while the changing dynamic for starch content was increase-decrease-increase-decrease.The content of soluble sugar increased first,then decrease,and was kept stable at last.

关 键 词:槟榔(Areca catechu) 剪叶 含水量 叶绿素含量 内含物 

分 类 号:S[农业科学]

 

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