Seedling raising method capable of increasing rooting number of cuttings of Zenia insignis
A technology of viburnum and cuttings, applied in the field of plant seedlings, can solve the problems of less than 50%, difficult to collect seeds, difficult to provide stable seedlings, etc., and achieve the effect of promoting the number of roots
Inactive Publication Date: 2017-11-28
FUJIAN NORMAL UNIV
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Problems solved by technology
Due to the unstable firmness of this tree species and the difficulty in collecting seeds, it is difficult to provide stable seedlings for afforestation of this tree species, which affects the selection and breeding of excellent provenance resources of this tree species. However, the survival rate of cuttings is low (usually less than 50%), and the number of roots is an important factor affecting the survival rate of cuttings. Therefore, the present invention explores the technology of cutting seedlings of this tree species by improving sterilization and rooting induction techniques. Increase the rooting quantity of cutting seedlings, and then increase the seedling rate of cuttings of Viburnum, and provide excellent seedlings for large-scale promotion of Viburnum afforestation
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[0018] The 5-year-old viburnum with strong growth, uniform internode development and no pests and diseases was selected as the mother tree for picking ears. Cut young shoots from the mother tree that grow vigorously, have uniform internode development, and have just begun to lignify as cuttings. Cut the collected cuttings into cuttings with a length of about 8-10 cm, cut the upper end of the cuttings flat, and cut the lower end obliquely at 45°. It is required to have 2-3 axillary bud points on each cutting, keep 1 / 4 of the leaves on the cuttings, and keep 1 / 3 of the leaf area of each leaf. The cutting time of the cutting scion is August 13, 2015.
[0019] The light substrate produced by Fujian Nanping Senke Company was used as the cutting substrate, and the cutting light substrate was sterilized with 0.1% potassium permanganate for different periods of time before cutting. The sterilized light matrix is packed into a non-woven container bag with a specification of 3.5 c...
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The invention relates to a seedling raising method capable of increasing the rooting number of cuttings of Zenia insignis. The rooting number is a major factor influencing the cutting seedling survival rate, and increasing the rooting number of cuttings is a key technology for improving the quality of a cutting seedling of the Zenia insignis. The technical scheme adopted by the invention is as follows: different matrix sterilization and cutting shoot rooting induction periods are set; matrix sterilization and cutting shoot rooting induction are performed on the cuttings of the Zenia insignis according to test formulas having various combinations of the variety of bactericide, the solution concentration of the bactericide, the variety of an inducing hormone and the solution concentration of the inducing hormone; a control group (CK), i.e. distilled water, is additionally set, thereby forming 10 formulas in total; and it is discovered that the T6 treatment including 25-27 hours of matrix sterilization and 42-45 minutes of hormone induction achieves a favorable cutting rooting effect for the Zenia insignis and can effectively and stably increase the rooting number of the cuttings of the Zenia insignis. The seedling raising method provided by the invention can promote the increase of the rooting number of the Zenia insignis cutting seedling, is stable in performance, and can provide favorable seedlings for large-area Zenia insignis popularization and forestation.
Description
technical field [0001] The technical invention belongs to the technical field of plant seedling raising, and in particular relates to a seedling raising method for increasing the rooting quantity of Viburnum cuttings. technical background [0002] Zenia insignis (Zenia insignis) is a tall deciduous tree of the genus Zenia in the family Hematoxylinaceae. It is a rare tree species that can be excavated and utilized in southern my country, and it is a national second-class rare and endangered plant. This tree species has many excellent characteristics such as straight trunk, rapid growth, strong germination, good natural regeneration, strong resistance, and resistance to barrenness. Ideal for tree species. Due to the unstable firmness of this tree species and the difficulty in collecting seeds, it is difficult to provide stable seedlings for afforestation of this tree species, which affects the selection and breeding of excellent provenance resources of this tree species. How...
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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 徐朝斌钟全林姚湘明张天宇叶麒程栋梁蔡晓芝常云妮刘际民
Owner FUJIAN NORMAL UNIV