论文部分内容阅读
夏季是金边瑞香病虫害的多发季节,要防治和减少病虫的发生和危害,应加强管理,做好如下几项工作:第一,要将露天(揭棚)栽培的盆花移入大棚(遮棚),防止大雨冲淋、盆土积水。第二,要按照蘑菇形或皇冠形进行第二次整形。第三,要把重新整理盆花,疏松摆放,以利通风透气。第四,要及时清除老叶和盆内外杂草,搞好花圃的环境卫生,避免病原生物感染蔓延。第五,要做好降温工作,避免盆花被强光直射,要在棚内增设一层遮光率90%的活动式遮光网,早晚拉开不遮,光照强、气温高时遮盖起来。第六,不同盆花采取不同的水肥管理,3年以上盆花可通过控水、控肥、控光,抑制其抽枝发叶,由营养生长
Summer is the frequent season of Phyllostachys edulis and pests. To prevent and reduce the occurrence and harm of pests and diseases, we should strengthen management and do the following several tasks: First, we need to move the open pots (shelters) , Prevent rain shower, basin soil water. Second, according to the mushroom-shaped or crown-shaped second plastic surgery. Third, we should re-arrange the potted plants, loosely placed to facilitate ventilation. Fourth, it is necessary to promptly remove weeds from old leaves and pots, improve the sanitation of flower gardens and prevent the spread of pathogen infections. Fifth, to do a good job of cooling, to avoid direct sunlight potted flowers, to shed in the additional layer of shading rate of 90% of the movable shade, opened sooner or later do not cover, strong light, high temperature cover up. Sixth, different potted flowers to take different management of water and fertilizer, potted more than 3 years can be controlled by water, fertilizer, light control, inhibition of its pumping leaves, from vegetative growth