Regulating and controlling, processing method for white potato seed

Abstract

The invention discloses a regulation and processing method for seed potatoes, and relates to the technical field of propagation of the potatoes. Based on the concept of physiological age of the potatoes, according to the relationship between the physiological age, sowing time and the storage temperature of the seed potato, the seed potatoes with different variety characteristics are divided into three classes: young potatoes, middle-age potatoes and old potatoes; the physiological ages of the seed potatoes are adjusted according to the regulation modes in different altitudes and seasons, namely, the physiological ages of the seed potatoes are regulated by purposefully selecting the seed potatoes harvested in spring or autumn, the seed potatoes produced or stored in different altitudes or seed potatoes harvested in the morning or at night; furthermore, the seed potatoes are processed by physical accelerating germination so as to achieve the best physiological ages, thus improving the yield of the potatoes. The regulation and disposal method of the seed potatoes has smart, simple and practical design, saves the cost, protects the environment, fills up the blank of the research fieldin China, is applicable to planting the potatoes of one-season or two-season in winter areas and mixed areas in the potato areas in China.

Description

technical field [0001] The invention relates to the technical field of potato breeding, in particular to a method for regulating and treating seed potatoes. Background technique [0002] my country is the largest potato producer in the world, with the planting area accounting for 25% of the world's total potato area, but the yield per unit area is far lower than that of developed countries such as Europe and the United States. In addition to genetic factors, disease factors and existing general cultivation factors, the main factors affecting potato yield are also closely related to the physiological age of potato seeds. In order to increase the yield of potatoes, in addition to devoting themselves to the development of new varieties in the existing potato breeding technology field, the virus-free technology of potato seed tubers is also widely used. Since the potato propagation method mainly adopts asexual reproduction, large potatoes need to be cut into pieces before plant...

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Problems solved by technology

However, the existing potato breeding technology ignores the influence of seed potato physiological age on its yield. At present, there is no potato breeding technology that regulates the physiological age of seed potatoes, so that the seed potatoes used in production often miss their optimal physiological age. , or the physiological age of the seed potato is too aging due to too long storage or too high accumulated temperature, so that although the potato emerges quickly, the plant growth is weak, so that the potato cannot form a high yield; or due to autumn (spring) and / or variety The dormancy period is too long (or the dormancy is too strong) and the emergence is delayed. Although the plant growth is strong in the later period, the temperature and soil temperature at this time are not suitable for tuber formation and / expansion and solar energy cannot be used. Potatoes also cannot form high yields.

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