盆栽石榴多结果的方法
盆栽石榴多结果的方法,一般盆栽石榴挂果率低,仅挂两三个果实者为常见,而挂5个以上果实者为数寥寥,常使栽培者失望。要使盆栽石榴多挂果,除按上述问题中提出的要满足它喜阳习性,并做好浇水、施肥、修剪等养护工作外,还须做好以下几点工作。
(1)花期控制浇水。在盛花期浇水过多,特别是晴天高温时,猛然浇水,花蕾最易脱落。盆土过干、过湿都会落花、落果。一般在傍晚气温低时才浇水,浇水至湿润即可。
(2)适当疏花。石榴在盛花期花蕾很多,如不疏花,营养供应不上,结了果也会脱落。疏花时,多疏花萼呈圆筒状,子房不发育的雄花,少疏和不疏花萼下部子房膨大呈球形的雌花。
(3)注意防风避雨。在阳台上养花,楼高风大,每遇狂风暴雨,枝摇花落,雨打花伤。尤其夜间,更要及时保护。
(4)采取保蕾措施。当花蕾形成后,用萘乙酸钠溶液,在早上对枝、叶、花蕾喷雾多次,可防落蕾。
(5)人工授粉。石榴花苞生于枝端,因重量关系而坠弯,不宜自然授粉。要使石榴多挂果,就要进行人工授粉,方法是用清洁毛笔在每朵花上相互涂抹。整株授粉可根据开花先后间断进行,人工授粉后3~5天可以看到效果,以上就是关于盆栽石榴多结果的方法的介绍。
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