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定州绿化冬季花木的修剪
[来源:原创] [作者:aywl] [日期:17-03-06] [浏览次数:]
“七分管、三分剪”,这是一条重要的养花经验。通过修剪,可使花木的枝条分布均匀,并可以节省养分,减少消耗,调节树势,控制徒长,从而使花木株形整齐,姿态优美,达到多开花、多结果的目的。   花木的修剪一年四季都可以进行,但主要是在冬、夏两季。夏季修剪主要是在生长期,时间范围是从春季萌发新梢开始,到秋末停止生长为止。在此期间只能做局部的轻度修剪,剪掉枯萎或折断的枝条,从而保持株形的整齐、优美。而冬季修剪是指休眠期的修剪,时间范围是从秋末枝条停止生长开始,到来年早春顶芽萌发前为止。此期间修剪较重,修剪的重点是根据不同种类的花木生长特性进行疏枝和短截。修剪时要因种类而异,区别对待。凡是在春季开花的花木,如梅花、碧桃、连翘、迎春、丁香、海棠、紫荆等,花芽都是在前一年生的枝条上形成的。因此,冬季不能重剪,只能剪除无花芽的秋梢。如果在冬季修剪过重,就会把夏季已形成的带有花芽的枝条剪掉,影响第二年开花。正确的做法是在开花后一至两周内进行短截,促进侧枝萌发成新梢,形成来年的花枝。凡是在当年生枝条上开花的花木。如月季、扶桑、茉莉、一品红、夜来香、紫薇、金橘、佛手、木芙蓉,应在冬季重剪,促其翌年多萌发新梢、多开花、多结果。对于观叶花木,应根据冬季室温来决定修剪的时间,如果室温较低,则应在入室前修剪,以便缩小冠幅,减少占地面积;如果室温较高,应在来年出室时修剪,以免刺激腋芽在冬季萌发而抽生新梢,消耗营养。对于萌发力较弱的花木,如松柏类,重剪后很难恢复,一般不要重剪。藤本花木一般不需要修剪,只剪除过老和密生弱枝即可。白玉兰、樱花、鸡爪械等树形优美的花木,也不做大的修剪。   修剪主要是进行疏枝和短截。疏枝是剪除密生枝、交叉枝、徒长枝、纤弱枝、病虫枝及枯枝,以利于通风透光,减少病虫害的发生。短截是将枝条的一部分剪短,促使其萌发侧枝,调整长势,使树冠分布均匀,树形优美,有利于多开花、多结果。修剪时,剪口要平滑,剪口应在侧芽上方1厘米左右为宜。如剪口离侧芽太近,往往会伤害芽内的茎叶原始体,芽也易风干;若剪口离侧芽太远,又会留下残桩,影响美观。修剪时还应注意顶部侧芽应留在枝条的外侧,让新生枝条向外生长,这样可以使树形优美 "Seven is in charge, three points", this is an important experience of working in the garden. Through the clip, can make the flowers and trees branches distributed evenly, and can save the nutrients, reduce consumption, adjust the tree potential, moderate growth, control so that the plants, plant shape and tidy, beautiful gesture, achieve the goal of flowering and results. Flowers and trees pruning can make all the year round, but mostly in winter and summer two season. Summer pruning is mainly in the growth period, the time range from spring sprout new tip, to stop the growth of autumn. During this time can only make local mild clip, cut off wither or broken branches, so as to maintain the plant neat and beautiful. And winter pruning is refers to the period of clip, time range from late shoots stop growing, the year the spring crown before germination. Heavy pruning during this time, the focus of the trim is according to the different kinds of flowers and trees growth characteristics of branches and short cut. In species, while pruning differently. Every flower in the spring flowers and trees, such as plum, prunus persica, forsythia, winter jasmine, clove, Chinese flowering crabapple, cercis chinensis, flower bud are formed in the first annual branches. Winter not weighing shears, therefore, can only be cut off without the fall in flower bud tip. If in winter heavy pruning, will see the summer has formed with a cut from the branches of the flower bud, affect the next year. The right thing to do was conducted within a week or two after flowering short section, promote the collateral sprouting into new tip, formation of flowers in the coming year. Who born in the year on flowering branches of flowers and trees. Such as Chinese rose, mulberry, jasmine, poinsettia, cordate telosma, crape myrtle, kumquat, bergamot, cotton rose, weighing shears should be in the winter, to promote its next germination, flowering and results in new shoots. For foliage plants, should be determined according to the winter room temperature to cut time, if the room temperature is lower, should be in front of the house clip, in order to narrow the crown, reduce cover an area of an area; If the room temperature is higher, should be in the coming year trim at the time of the chamber, lest stimulate axillary bud germination and gave birth to new tip during the winter, consumption of nutrition. For germination force weaker flowers and trees, such as conifers, it is difficult to recover after heavy cutting, generally don't cut. Vine plants generally do not need clip, born only cut off the old and weak branches. Beautiful magnolia, cherry blossoms, chicken claw machinery such as a tree of flowers and trees, don't do big clip. Pruning is mainly for branches and short cut. Branches are cut off branches, cross branches, water sprout, delicate branches, branches and twigs, disease and insect pest to facilitate ventilation pervious to light, reduce the occurrence of pests and diseases. Short section is part of the branch cut short, prompted the germination of the collateral, looks like the adjustment, the uniform distribution of canopy, a beautiful tree, is conducive to flowering and results. Smooth, trim, cut the mouth cut mouth should be 1 cm above the lateral bud is advisable. Such as shear near the lateral bud too, often will damage the original body, the buds in the leaf buds are also prone to dry; If a snip from lateral bud too far, and will leave stumps, affect beautiful. The top pruning should also pay attention to the lateral bud should stay in the outside of the branches, make new branches grow outward, so that we can make a beautiful tree 返首页:www.dingzhoumiaomu.com