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冬末春初到花卉市场选购树桩,具备购桩的经验很重要。笔者根据自己几年来的实践经验,认为以下几个要点必须掌握:1.要新鲜:树桩的新鲜程度对养坯的成活率至关重要。一般花卉市场上所售的树桩,都是从较远的山区运到市场,由于受交通、气候等条件的限制。最快要2-3天,有些甚至1个星期以上。树桩经长时期的日晒、风吹,会造成其体内水份不同程度的散失。所以辨别树桩的新鲜程度,是关系到养坯成败的首要问题。鉴别方法:(1)眼看:看枝、根是否干瘪发皱,叶片是否干青软脆。比如榆树类的根比较肥厚,水份含量大,要是其侧须根干瘪发皱,表明失水较重,采挖时间过长所至。有些榆树桩,由于雨天采挖,淋水较重,造成伤口和根部流汁过多,养份大量耗失。这些树桩的成活率非常低。(2)检测桩坯的重量:正常新鲜的桩坯比较重。而同样大的失水较重的桩坯就比较轻。过轻者,即是失水较重.不可选购。(3)刮皮检查:对于一些眼难看出,又难以分辨重量的树桩,就需刮皮察看其新鲜与否。比如雀梅就只有刮其细枝根,察看是否新鲜。如刮下的皮较柔软,水份较充足,即是较新鲜的。有些桩坯的皮刮下后,其水份和皮色看似较好,但是其皮较松软,一刮就与其木质部脱离,此类桩坯,很可能是花农将挖起时间较长的桩坯,放在水中浸
It is very important to buy stumps in the flower market at the beginning of winter and spring. The author based on his years of practical experience, that the following points must be mastered: 1. To be fresh: the freshness of the survival rate of the blank is crucial. Stumps sold on the general flower market are shipped from the faraway mountainous areas to the market due to conditions such as traffic and climate. The fastest 2-3 days, some even more than 1 week. Stump after a long period of sun, wind, will cause the body of water to varying degrees of loss. So to identify the freshness of the stump is related to the primary issue of the success or failure. Identification methods: (1) See: look at branches, roots are dry wrinkled wrinkles, leaf dry green crispiness. For example, elm root is more hypertrophy, moisture content, if the side of the root dry shriveled wrinkles, indicating heavy water loss, digging too long. Some elm stumps, due to rainy day excavation, pouring water heavier, resulting in excessive flow of wounds and roots, nutrient loss. The survival rate of these stumps is very low. (2) Check the weight of pile billet: The normal fresh pile billet heavier. The same large pile heavier water loss is relatively light. Too light, that is, heavier dehydration. Not optional. (3) scraping the skin check: for some eyes difficult to see, but also difficult to distinguish the weight of the stump, you need to scrape the skin to see if it is fresh or not. For example, birdwatching is only scraping its twigs, to see if it is fresh. Such as scraping the skin softer, more adequate water, that is more fresh. Some pile blank skin scraping, the water and skin color appears to be better, but the skin is more soft, a scratch and its xylem detachment, such pile billet, it is likely that farmers will dig a longer pile Billet, immersed in water