Method for controlling plum tree shape and tree body suitable for high-density planting
A high-density, tree-shaped technology, applied in the fields of application, cultivation, agriculture, etc., can solve the problems of tree height and other problems, and achieve the effect of small crown width, fast growth and small amount of pruning
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[0027] Example 1
[0028] In 2000, two varieties of sapphire and ruby were planted on 40 mu of sandy soil in the scientific research and production base of Beijing Golden Cherry Agriculture and Forestry Technology Development Co., Ltd. in Doudian Town, Fangshan District, Beijing, with a planting density of 1.5×3m. Design tree shape and structure index: stem height 50~60cm, tree height 2.3~2.6m, maximum crown width: 1.6m from north to south, 2.0m from east to west.
[0029] Specific steps are as follows:
[0030] (1) Planting in March 2000, with a fixed dry height of 80cm; after germination, remove all the buds below 50cm on the seedling stem; when the length of the long shoot reaches 30-50cm, select one erect new shoot with the most vigorous growth and let it go. Free growth, cultivate the center stem, thin out the competing shoots of the second bud and the third bud, and select 3 to 4 new shoots evenly distributed around the seedling stem in different directions, with a mo...
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[0037] Example 2
[0038] In 2004, the high-density cultivation technology demonstration garden of plum trees was planted on the sandy soil of Linzhang Fruit Tree Experiment Station of China Agricultural University 0.5hm 2 , the varieties are black gem and ruby, and the planting density is 1.5×3m.
[0039] Specific steps are as follows:
[0040] (1) Planting in March 2004, with a fixed dry height of 80cm; after germination, remove all the buds below 50cm on the stem; when the length of the long shoot reaches 30 to 50cm, select one erect new shoot with the most vigorous growth. Free growth, cultivate the center stem, thin out the competing shoots of the second bud and the third bud, and select 3 to 4 new shoots evenly distributed around the seedling stem in different directions, with a moderate growth potential, and an opening angle of 40 to 60°, leaving 30 ~35cm topping, promoting branching, dispersing its growth potential, and cultivating the first layer of slender large br...
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