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Anonymous users2024-02-12Both modes of reproduction are asexual reproduction.
Willow can reproduce asexually, mainly by the roots of willow.
Cherry tree rootstock seedling breeding method.
1. Large-leaved grass cherries are easy to produce a large number of root seedlings around the rhizomes, and they are often used as rootstocks for large cherries through rametre propagation in production. The method is: in spring and summer, the root tiller seedlings that grow around the root system, cultivate about 30 cm thick soil, make it root, and separate the rooting tillers from the plant after autumn or before germination in the following spring, and plant them in a concentrated or planted nursery for grafting large cherries.
2. The method of strip propagation of large cherry rootstock seedlings in the production of strip stripping seedlings mainly includes vertical strip pressing and horizontal stripping. Upright stripping: Large cherry rootstock seedlings are planted in the nursery in autumn or early spring.
When planting, first dig a trench about 30 cm deep according to the row spacing of meters, and then plant the rootstock seedlings into the trench according to the plant spacing of 50-60 cm, and its root neck should be lower than the ground. Leave 5-6 buds before the rootstock sprouts and cut them, and when the new shoots grow to about 20 cm when the buds germinate, carry out the first soil cultivation, which is about 10 cm thick, and then cultivate the soil for 10 cm when the new shoots grow to 40 cm. After each soil cultivation, top dressing and irrigation should be carried out.
In the future, the comprehensive management should be strengthened, and the soil should be properly cultivated according to the situation, and after the leaves fall in autumn, the soil can be picked up and divided. Horizontal strip is also known as buried dry strip: it is a method that is widely used in the propagation of large cherry rootstock seedlings.
In early spring, according to the row spacing of 60-70 cm, the depth and width of the ditch are 20 cm, and then the excellent 1-year-old rootstock seedlings are planted obliquely in the ditch along the ditch, the angle between the anvil seedlings and the ground is about 300, and the plant spacing is roughly equal to the height of the seedlings. When the new shoots grow to about 10 cm, the anvil seedlings are pressed horizontally into the bottom of the ditch, fixed with twigs, and the soil is about 2 cm to cover the seedling stem, and then watered. Later, as the new shoots grow, the soil is covered in stages until it is flush with the ground.
In order to promote the growth of seedlings, 20 kg of urea was applied in combination with soil covering in early and mid-June. If the seedlings grow well, they can be grafted in the nursery from late June to early July, and those with poor growth can be grafted in September. When the seedlings emerge in autumn, they are cut into independent anvils in segments.
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Anonymous users2024-02-11Both varieties can be propagated by flowering and pollination, as well as vegetatively reproduced.
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Anonymous users2024-02-10Willow and peach trees are trees that belong to the tree, the stems of this type of plant.
All have the characteristics of erection, many branches, and stout.
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