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Method for rapid propagation of brassica oleracea by grafting technique

A fast technology for head cabbage, which is applied in the field of rapid propagation of head cabbage by grafting technology, can solve the problems of explant pollution, cumbersome mercury chloride, etc., and achieve the goal of reducing pollution process, improving survival rate, and being easy to induce rooting Effect

Active Publication Date: 2017-05-31
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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Problems solved by technology

However, when cabbage in the field and in the field are used as explants for tissue culture, the pollution of the explants often occurs. The explants must be disinfected with the highly toxic drug mercuric acid. At present, mercuric acid is a drug controlled by the Ministry of Public Security. Mercury is very cumbersome

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Embodiment Construction

[0013] In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0014] The embodiment of the present invention provides a method for rapidly multiplying head cabbage by grafting technology, comprising the following steps:

[0015] S1. Selection of scion and rootstock: choose the axillary buds of cabbage as the scion, which can ensure sufficient source of scion. One cabbage contains about 30 axillary buds; The inflorescence rachis of cabbage stalks can ensure sufficient source of rootstock;

[0016] S2. Preparation before grafting and grafting method: Before grafting, sow the rootstock material vegetable stalks until the stalks bolt and set aside; use a scalpel to cut off the axillary buds of cabbage at an a...

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Abstract

The invention discloses a method for rapid propagation of brassica oleracea by a grafting technique. The method includes: selecting appropriate scions and stocks, adopting a bud grafting method for grafting, creating an integral moisture-preserving heat-preserving high-irradiation environment after grafting, managing properly after greening of scion brassica oleracea axillary buds, and finally subjecting scion brassica oleracea to rooting and transplanting. According to the method, brassica oleracea is easy in bolting, grafting to rachises is simpler and more convenient in operation than grafting to dwarf stems, bolts are easy to form lateral bolts, and more stock sources can be provided. By adoption of the bud grafting method, simplicity in operation is achieved, pollution procedures are reduced, and scion survival rate can be increased. White brassica oleracea axillary buds are subjected to strong light exposure after grafting, the white axillary buds can be induced to generate chlorophyll, and accordingly grafting survival rate can be increased. By adoption of tin foil paper for making a simple funnel-shaped rooting device, a moisture preserving environment can be created, induction for rooting is facilitated, and the survival rate is increased.

Description

technical field [0001] The invention relates to the technical field of vegetable grafting, in particular to a method for rapid propagation of cabbage by using the grafting technology. Background technique [0002] Heading cabbage (Brassica oleracea L.var.capitata) is an annual or biennial herbaceous plant of the genus Brassica, which is an important vegetable crop. In order to meet people's increasing demand for the yield and quality of cabbage, improving the agronomic traits of cabbage is the focus of long-term work of breeding experts. At present, sexual hybridization is still an important way to improve and cultivate new varieties of cabbage. However, head cabbage is a typical green body vernalization plant, which cannot feel low temperature during the seed germination stage, and can only respond to low temperature when the plant grows to a certain size, and then bolts and blooms through the vernalization stage. Therefore, the vernalization time of head cabbage is longe...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 陶鹏钟新民李必元岳智臣雷娟利赵彦婷
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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