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A technology of citrus and seeds, applied in the field of grafting
Active Publication Date: 2021-09-14
CITRUS RES INST OF CHINESE ACAD OF AGRI SCI
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[0006] (1) At present, the source of the main intermediate stock in production is mainly through high-grafting and replanting, using the original eliminated varieties as the intermediate stock, and using the base stock to graft another rootstock and then grafting the scion. There is no seedling raising method;
[0007] (2) At present, all the intermediate anvils in production are connected to the base anvil, and there is no reverse connection of the intermediate anvils on the base anvil.
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Embodiment 1
[0071] 1. Materials and methods
[0072] The test was carried out on September 22, 2013 (sunny day) in Baihelin Orchard, Xiema Town, Beibei District. The rootstocks used as base stock mainly include four kinds of rootstocks commonly used in production, namely Ziyang orange, tangerine, trifoliate orange and Citrange, the varieties used as intermediate stock are respectively: trifoliate orange, orange and fragrant orange, wherein the length of intermediate stock is respectively the branch of 5cm and 10cm, and the branch of each length all adopts to connect (the original base portion is cut into the interface) and reversely. Connecting (cutting the original top, that is, adjusting the direction of the branches) for abdominal connection.
[0073] Irrigate the whole vegetative body with water before grafting, carry out routine water, fertilizer and pest management, and check the survival rate after 20 days of grafting. Whether it is straight grafting or reverse grafting, the surviv...
Embodiment 2
[0080] 1. Materials and methods
[0081] Planted in March 2015, grafted in September 2015, and counted in May 2016
[0082] Table 2 Survival rate of direct grafting and reverse grafting of different lengths of intermediate stock and survival rate after regrafting
[0083]
[0084] 2. Experimental results
[0085] As can be seen from Table 2, no matter whether it is cis-connection or reverse connection, the survival rate is higher, and the survival rate of cis-connection is mostly 60%-100%, but the average survival rate is as high as 90%; the survival rate of reverse connection is still 90%. 60%-100%, but the average survival rate was 75.14%. The survival rate of regrafting scions on the intermediate stock was as high as 79.26%, while the survival rate of reverse grafting was 60.12%.
[0086] 3. Results
[0087] As can be seen from the above results, as in Example 1, no matter whether it is direct or reverse grafting, the intermediate stock can survive, and the scion gra...
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Abstract
The invention belongs to the technical field of branch grafting, and discloses a method for citrus grafting; rootstock seed collection and sowing; rootstock seedling transplanting and cultivation; grafting for direct grafting and reverse grafting; Pick a hole in the film at the place where the base stock is bent to promote the germination of seedlings; until the first shoot is mature, cut off the excess stock on the grafting interface; Use small buds for abdominal grafting; after the spring of the second year, use a blade to pick a hole in the film at the place where the buds are grafted, and bend the middle stock to promote seedling germination. The invention changes a method of traditional grafting of citrus in my country. Adopting different rootstocks for positive and negative grafting can achieve graft survival, and grafting can be carried out on the surviving reverse grafted branches again to achieve germination and shoot shooting. It provides a new method for controlling tree vigor and dwarfing tree crowns, and provides another way for producing high-quality and high-yield citrus fruits.
Description
technical field [0001] The invention belongs to the technical field of grafting, in particular to a method for grafting oranges. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Citrus grafting technology is one of the main methods of production reproduction, that is, to graft the branch or bud of one plant to the stem or root of another plant, so that the two parts that are joined together grow into a complete plant. Grafting methods are divided into branch grafting and bud grafting. The grafted plant (consisting of the scion on the ground and the rootstock on the ground) can not only maintain the excellent character of the scion variety but also utilize the good characteristics of the rootstock. There are many types of citrus rootstocks, and many factors need to be considered in the selection of rootstocks. Different rootstocks have certain effects on the root system, crown, tree height, yield, qua...
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