香根草在广西南宁的引种复壮栽培

The Introduction and Rejuvenescent Cultivation of Vetiver in Nanning, Guangxi

在广西南宁市郊的广西大学林学院校园和高峰林场罗伞岭水库引种香根草（Ｖｅｔｉｖｅｒｉａｚｉｚａｈｉｏｉｄｅｓ（Ｌ）Ｎａｓｈ），并采用ＮａＣｌ、复合肥和生物尸体粉等处理使香根草弱种苗复壮。结果表明：香根草在广西南宁各个月份均可引种，以３月至５月引种的返青时间最短（２ｄ～３ｄ），是种植的最佳季节。香根草在广西南宁的生长周期为１８０ｄ～２４７ｄ，在８月高温（５０℃）下仍然正常生长，半遮荫条件下生长最好。香根草抗虫性强，在草篱上发现８９种昆虫，其中有３６种为有益的天敌昆虫。

Vetiver (Vetiveria zizahioides (L) Nash) was introduced,rejuvenated and cultivated in Forestry College,Guangxi University, Nanning's suburbs and Reservoir Luosanling of Gaofeng forest Farm.Sodium chloride,compound fertilizer and processed insect remains powder were used for rejuvenation of weak seedling.The results showed that: the vetiver was plantable in Nanning all the year round,the optimum time for planting is from March to May with a shortest turn green time of 2 d￣3 d,a growing period is 180 d￣247 d.It can grow normally even under 50℃ in August.Half shade is the best condition for vetiver's growing.It has a power fulresistance to insects.Thirty nine species of insects out of 89 discovered ones were beneficial enemy insect.