绿巨人花怎么养 我才买了一盆绿巨人 几天过后叶子都蔫了 请问是怎么回事 一般要几天浇一次水

2024-12-08 18:35:37
推荐回答(4个)
回答(1):

冬天浇水要浇透。透了隔3-5天再浇一次水。盆托不能有积水,天天泡会烂根。春夏天1-2天浇一次水。上午一次下午一次。也是要浇透。松土,要加肥。以氮肥为主。秋天2天左右浇一次水。不分上下午。我们公司是这样的。长得很好呢。因树而异吧。哈哈。

回答(2):

现在室内的话至少一星期要浇一次,不能再长了,浇要浇透。要是有暖气的话,四天左右就得浇。当然,还要以“见干见湿”的原则,天数不要太固定了。

回答(3):

不能暴晒,水分要大

回答(4):

绿巨人,又名一帆风顺,巨叶大白掌,属天南星科,苞叶芋属,是多年生草木植物。原产南美洲热带地区,最适温度20—25℃,湿度50%以上,能耐200勒克司光照,适宜500—1000勒克司,光照过强,叶片变黄。

绿巨人株型、叶片均比白掌大,叶脉也较明显,叶色墨绿,比白掌的叶色深。粗生易长,多不分蘖,以细胞组织培养繁殖。白掌多采用分株繁殖。暨南大学花圃采用组培的试管苗,已批量投入生产。现将其经验介绍如下。

一、繁育与选苗:应选用生物工程技术繁育的无病毒试管苗,植株生长齐整、株苗粗壮、根群发达,种植后生长速度快,可育成大批量优质商品花卉。

二、盆土的制备:栽培盆土是绿巨人生长良好的基础,因此配制盆土要求较高。配比是:三份有机质塘泥、或肥沃泥土、二份河沙,二份腐熟磨菇渣肥、一份泥炭土、一份珍珠岩粒、一份腐熟猪粪或鸡屎干,共十份配合成为疏松透气、排水良好的混合盆栽土。

三、施肥:绿巨人株苗前期10—20厘米高时,一般都不需要施过多肥,施肥过多,叶出现纹条变黑、烂叶、反而不好。在苗前期可用少量1%尿素、0.1%磷酸二氢钾叶面肥,如有条件可加生长激素类:如“叶面宝”或“爱多收” ,喷雾浓度4500—5000倍叶面喷施、十五天喷一次效果较好。绿巨人生长到30厘米以上高时,改用复合肥加尿素(比例复合肥2%、尿素1%)施肥。如有花生麸或豆麸二个月施一次作为有机肥,效果更好。

四、水份管理:绿巨人喜阴湿环境,但不需过度浇水。湿润程度一般可用手指压盆土有湿润感即可。每次浇水,要浇透,即盆底有水透出。有条件的可经常在叶面上喷雾更为理想。

五、防虫害:绿巨人的主要虫害,有蜗牛、鼻涕虫、狗毛虫,它蚕吃绿巨人叶片,使受害植株的商品价值受损。可用1000倍浓度敌敌畏,或呋喃丹防治。

六、管理:绿巨人喜欢半阴半阳湿度较大的环境生长。一般花场是放在塑料大阴棚下培植、而楼房庭院则放在光线较好的地方、而且不要有强阳光直射以免被太阳灼伤。阳台风大、干燥地方,宜多喷雾或加水盆盛水以增加空气湿度,温度适宜18—28℃,北方栽种冬天宜入室,放置在窗檐有散射光的地方,室温不能低于10℃,低过10℃易冻伤。在幼苗长至20厘米高时,用剪刀除去幼苗前期老叶,使新叶更加快长、粗壮、茂盛。

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