大丽花栽培五大忌：忌水多、肥多、花多,忌高温、荫蔽

植物图片 2019-08-19 09:41

大丽花，别名大理花、东洋菊等，菊科大丽花属植物，多年生草本。花大而俏丽，有巨大棒状块根，想要栽好大丽花其实并不难，只需记住以下五点“大忌”即可。

大丽花栽培五大忌

大丽花栽培五大忌

禁忌一：荫蔽

大丽花喜光，不耐荫蔽。在光照不足的阴湿环境下，根系衰弱，吸收力下降，叶子光合作用低，花芽发育不良，花小色暗，甚至难开花。如严重缺光时间长，植株变纤弱最终死亡。因此，大丽花栽培环境要保持阳光充分，才能正常生长发育，开出艳丽的花朵。

忌荫蔽

禁忌二：肥多

大丽花根系肥壮，枝叶多而大，需肥量大。在配制优质营养土施足有机肥料的基础上，追肥做到淡肥勤施，忌施浓肥，以防烧根而引起枯枝死苗。

禁忌三：积水

大丽花根系为粗大多汁的肉质根，好气性强，要求疏松透气、排水良好的土壤环境，如果土壤板结，渍水缺氧，容易引起烂根，甚至死亡。但大丽花叶多花大，蒸腾耗水多，需要一定的水分，如果高温干燥使叶子产生萎蔫现象，应立即浇水，以一次浇透为准，切忌浇水过量，以防渍水;如果在雨后天晴时，叶子出现萎蔫现象，主要是根毛受损，不能吸收水分，加之叶面蒸腾失水所致，此时不可立即浇水，但可进行多次叶面喷水。待土壤稍干，发出新根，恢复吸收功能后，再进行正常的水分管理。平时以保持土壤湿润为原则。

忌积水

禁忌四：高温

大丽花喜温暖、凉爽，忌酷暑高温。适合的生长气温在20至25℃。因此，大丽花在晚春、初夏与晚秋、初冬天节，生长发育良好。7至8月高温酷暑，生长缓慢，开花不良或停止开花，所以，大丽花在炎夏天节，要注意供水保苗。花谢后要及时剪去残花、枝梗，但不可立即切干。待9月炎热过后，在老茎基部留2至3节剪切，促其萌发秋芽，这样可在10月底以后开出硕大鲜艳的秋花。

禁忌五：花多

大丽花花朵大花数过多会造成花质差，开花期短，因此，要适度控花。从幼苗整形做起。当定植成活苗高10厘米左右留3至5叶摘心，促进分枝。在分枝生长期，不断抹除腋芽，只保留顶芽，促进分枝健壮。现蕾后，除分枝顶端保留1个壮花蕾外，多余的花蕾要疏除，确保花大壮观艳丽。

忌花多

专题： 大丽花
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