Method for cultivating rapidly white potato breeder's seed

A cultivation method and potato technology, which are applied in the directions of cultivation, horticultural methods, botanical equipment and methods, etc., can solve the problems of reducing the yield and quality of potatoes, and achieve the effect of shortening time.

Inactive Publication Date: 2008-05-14
顾建新 +2
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Problems solved by technology

There are many kinds of potato viruses. There are more than 30 kinds of viruses and 1 kind of virus in the world. There are 7 kinds of viruses that are more common in my country, such as: leaf curl disease, mosaic disease, spindle tuber disease, etc. Various viruses can cause various symptoms alone or in combination. , seriously reducing the yield and quality of potatoes

Method used

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Embodiment Construction

[0014] 1. Cultivate virus-free test-tube seedlings of potatoes in the tissue culture room in December, and cut the growth cones of potato shoots to cultivate virus-free test-tube plantlets. The temperature in the tissue culture room is 24-27°C, the relative humidity is 60-70%, and the light is 12-12 hours a day. 14 hours, the test-tube seedlings that start to take root, the temperature management should gradually widen the temperature difference between day and night, and gradually open the test tube nozzle after 5-7 days, so that the test-tube seedlings can adapt to the greenhouse environment, and the cultivation time of the test-tube seedlings in the tissue culture room is 30 days;

[0015] 2. Move the rooted test-tube seedlings into a nutrient bowl equipped with a nutrient matrix in the greenhouse. The nutrient matrix is ​​filled to 2 / 3 of the nutrient bowl. The temperature in the greenhouse is 12-28°C, and the relative humidity is 50-70%;

[0016] 3. To produce miniature po...

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Abstract

The invention discloses a planting method of breeder potato seed for reproducing potato rapidly in the current year. The virus-free test-tube plantlets of potato are planted in a tissue culture room during October to December and then transferred to a nutrition pot with nutrition stroma in greenhouse after the test-tube plantlets root. The temperature and the humidity of the greenhouse are controlled and the nutrition stroma is added into the nutrition pot after the plantlets come into three to four leaves. The potato mini tubers can be obtained after the plantlets grow in the nutrition pot for 50 to 60 days and then treated for dormance for 30 to 60 days after being graded. The potato mini tubers are sown into the soil of screen cage with insectproof screen after being treated for dormance and then field cared. The original cuttings are managed by ditching, earthing up, adding water and fertilizer after growing to 9 to 11 cm and the original cuttings can be harvested in October after growing for 4 to 5 months. The invention shortens the cycle of producing potato seeds and can obtain the breeder potato seed the current year.

Description

technical field [0001] The invention belongs to the production and cultivation technology of potato tissue culture and propagation of potato virus-free original seed, in particular to the cultivation method of the original seed potato of fast-propagating potato in that year. Background technique [0002] Potatoes are susceptible to a variety of viruses and viroids during the cultivation process, resulting in complex symptoms such as leaf curling, mosaic leaves, and bunch-top dwarfing. Potatoes are asexually propagated crops. Viruses in the body can accumulate from generation to generation, causing viral degeneration and severe yield reduction. The yield reduction range is 40%, and even 70%. There are many kinds of potato viruses. There are more than 30 kinds of viruses and 1 kind of virus in the world. There are 7 kinds of viruses that are more common in my country, such as: leaf curl disease, mosaic disease, spindle tuber disease, etc. Various viruses can cause various symp...

Claims

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Application Information

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IPC IPC(8): A01H4/00A01G9/10A01G1/00A01C1/00
Inventor 顾建新冯世强李芳艳冉权高启明
Owner 顾建新
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