Ulmus densa grafting propagation method
A technology of elm rotundum and scion, which is applied in the field of grafting and propagation of elm rotundum, can solve the problems of inability to form callus, improper operation, and premature germination, so as to promote rapid callus formation, facilitate pruning and modeling, and reduce The effect of evaporation of water
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[0027] The present invention will be further described below in conjunction with specific embodiments, but the protection scope of the present invention is not limited.
[0028] Take the white elm grafting round crown elm implemented in Tianjin Jinghai Nursery 2015 as an example.
[0029] (1) The rootstock used is 12,000 Ulmus pumila, which was transplanted from Shandong and Hebei in the autumn of 2013, with a diameter of 6-10 cm.
[0030] The height of the fixed stem of the wood is 2.2m, the growth is vigorous, the trunk is straight, the root system is developed, and there is no pests.
[0031] (2) The scion used was the round-crowned elm branches introduced from Xinjiang in late February 2015, bundled into bunches, and treated with sand in the nursery garden.
[0032] The sand trench dug in the nursery garden is east-west, with a width of 1m, a depth of 1.2m, and a length of 5m. The bottom of the trench is covered with 25cm wet river sand (with a moisture content of 60%), and a layer ...
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