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Method for retaining seeds of tuber mustard

A mustard and seed preservation technology, applied in the fields of botanical equipment and methods, horticulture, plant cultivation, etc., can solve the problems of infection, the inability of seed plants to set seeds and the low seed setting rate, and achieve good seed preservation effect and reduce bacterial infection. The probability of sexual soft rot, the effect of high seed setting rate

Inactive Publication Date: 2016-07-13
重庆市渝东南农业科学院
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Problems solved by technology

However, there are also defects in the process of saving seeds for large plants. The more perfect the development, the more the tumor-shaped stems will expand to more than 10 cm in diameter, and the more cracks will appear on the mustard-shaped stems. Germs that overwinter or parasitize in flea beetles such as Erwina aroideae (Towsend) Holland, etc. (Erwina aroideae (Towsend) Holland is the main source of pathogens for soft rot), invade the tumor-shaped stems of mustard by insects, irrigation water, and wind and rain. Cracks lead to a large number of bacterial soft rots in the pickled mustard, causing the selected seed plants to rot or even die before budding, bolting or flowering.

Method used

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  • Method for retaining seeds of tuber mustard

Examples

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Embodiment 1

[0018] A method for saving mustard seeds, taking the saving of seeds of Chongqing local mustard variety "Yong'an Xiaoye" as an example, comprises the following steps:

[0019] ① Selection of seedbeds and reserved fields: choose fields with sufficient sunlight, good irrigation and drainage, loose soil, uniform fertility, and good isolation conditions;

[0020] ② Sowing: Seedbed sowing, choose the normal sowing period of Yongan Xiaoye in Chongqing: the first ten days of September every year; if you want to improve the ability of the seedlings to resist harsh environments and select excellent seedlings, you can advance the sowing period to 10 to 15 days before the normal sowing period. days, which is around late August. After the above-mentioned seedbed is sown, the seedlings will emerge after about 3 days;

[0021] ③ Transplanting of seedlings: transplanting seedlings in the seedling field when there are 6 to 7 true leaves, the row spacing between plants is 0.3 to 0.33m;

[00...

Embodiment 2

[0041] For varieties with late bolting (bolting after 170 days after emergence) such as mustard variety half-broken leaves and Zhetong No. 1, the biggest difference between the seed retention steps and Example 1 is the leaf-cutting operation in the seed plant management: it needs to be carried out. The second leaf cutting, that is, within 30 to 35 days after the first leaf cutting, when the tumor-like stem of mustard mustard has expanded to a transverse diameter of 9 to 10 cm, the functional leaves of the seed plant are cut again, leaving 2 to 3 cores. leaf.

[0042] Other steps such as selection of seedbed and reserved seed land, sowing, transplanting of seedlings, seed harvesting steps, as well as fertilization, irrigation, pest control, seed selection, first leaf cutting, cutting, and bagging of seed plants Operations such as all are identical with embodiment 1 except being adjusted to some extent because of different varieties.

[0043] Explanation of terms: The functiona...

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Abstract

The invention belongs to the technical field of methods for selecting new plants. A method for retaining seeds of tuber mustard comprises the steps of selection of a seedbed and a seed retaining field, sowing, seedling transplanting, seed plant management and seed harvesting, and is characterized in that leaf cutting operation is added in the seed plant management step; functional leaves of seed plants are cut to reduce organic matter accumulated in plants through photosynthesis, so that nutrition supply to swelling stems of the tuber mustard is reduced, and cracks caused by excessive swelling of the swelling stems of the tuber mustard are avoided or reduced; therefore, the possibility that the tuber mustard seed plants are infected with bacterial soft rot diseases is reduced, the selected seed plants can normally realize emergency of flower buds, bolting, flowering and seed setting, the seed setting rate is high, and the seed retaining effect is good.

Description

technical field [0001] The invention belongs to the technical field of new plant selection methods. Background technique [0002] Pickled mustard, also known as croissant, pimple, etc., is a variant of mustard. Mustard mustard plants are relatively large, and the stems are swollen and protruding, forming tumor-like tumor-like stems. They are edible parts and are mainly used for pickling and processing. The growth and development of mustard seeds mainly includes emergence, budding, bolting, Flowering, seeding and other stages. [0003] There are three ways to save mustard seeds: large plants, medium plants and small plants. These three ways of saving seeds have obvious differences in reproduction techniques. Seed retention for large plants: also known as seed retention at the adult stage, it means that the sowing date and cultivation season of the reserved seed plants are the same as normal production (such as in the Sichuan Basin in early and mid-September), and the traits...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 刘义华胡代文张召荣陶洪英肖丽蒋欢闫玉芳
Owner 重庆市渝东南农业科学院
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