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Cultivation method of virus-free seed tuber of Solanum tuberosum

A cultivation method and potato technology, which are applied in the directions of cultivation, plant cultivation, and botanical equipment and methods, can solve problems such as yield reduction and variety characteristic degradation, and achieve the effects of uniform growth, good seed potato quality and high seedling emergence rate.

Inactive Publication Date: 2016-03-23
巫溪县薯光农业科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Potato is not only one of the main food crops in my country, but also an important feed and industrial raw material crop. It has high economic benefits. However, since potatoes are asexually propagated crops, if they are planted for a long time, the characteristics of the variety will be seriously degraded, and the result will be a significant decrease in yield.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The method for cultivating virus-free seed potatoes of the present invention includes site selection, seed selection, soil preparation and fertilization, germination acceleration, sowing, field management and timely harvesting.

[0019] Site selection: Choose an aphid-free area at an altitude of 2,500m. The land is facing the wind and facing the sun. The soil layer is deep and loose, and the soil is fertile. Sandy soil plots that have not planted potatoes or solanaceous crops within 3 years. Planting potatoes in high-altitude aphid-free areas can reduce the invasion of aphids. Potato tubers are abnormally hypertrophic stems, and the whole body is covered with pores. Choosing a good soil environment is conducive to tuber expansion and harvesting.

[0020] Seed selection: Use 35g disease-free, insect-free, non-rotten, and non-frozen whole potato as the seed potato; the whole potato can not only avoid virus infection when cutting buds, but also increase the number of main ...

Embodiment 2

[0028] The method for cultivating virus-free seed potatoes of the present invention includes site selection, seed selection, soil preparation and fertilization, germination acceleration, sowing, field management and timely harvesting.

[0029] Site selection: Choose an aphid-free area at an altitude of 2550m, with the land facing the wind and facing the sun, the soil layer is deep and loose, and the soil quality is fertile. Sandy soil plots that have not planted potatoes or solanaceous crops within 3 years. Planting potatoes in high-altitude aphid-free areas can reduce the invasion of aphids. Potato tubers are abnormally hypertrophic stems, and the whole body is covered with pores. Choosing a good soil environment is conducive to tuber expansion and harvesting.

[0030] Seed selection: use 40g disease-free, insect-free, non-rotten, and non-frozen whole potato as the seed potato; the whole potato can not only avoid virus infection when cutting buds, but also increase the number...

Embodiment 3

[0038] The method for cultivating virus-free seed potatoes of the present invention includes site selection, seed selection, soil preparation and fertilization, germination acceleration, sowing, field management and timely harvesting.

[0039] Site selection: Choose an aphid-free area at an altitude of 2,600m. The land is facing the wind and facing the sun. The soil layer is deep and loose, and the soil is fertile. No potato or solanaceous crops have been planted in sandy soil plots within 3 years. Planting potatoes in high-altitude aphid-free areas can reduce the invasion of aphids. Potato tubers are abnormally hypertrophic stems, and the whole body is covered with pores. Choosing a good soil environment is conducive to tuber expansion and harvesting.

[0040] Seed selection: use 45g disease-free, insect-free, non-rotten, and non-frozen whole potato as the seed potato; the whole potato can not only avoid virus infection when cutting buds, but also increase the number of main ...

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Abstract

The invention discloses a cultivation method of a virus-free seed tuber of Solanum tuberosum and relates to the technical field of planting of Solanum tuberosum. The method comprises sowing whole tubers of virus-free seed tubers in a high-altitude aphid-free area with an elevation of 2500-2600 m, wherein each whole tuber weighs 35-45 g, and cultivating the virus-free seed tubers by means such as pre-sewing sufficient application of base fertilizers, germination accelerating and reasonable close planting. The emergence rate is high, up to 99.8%, a course of seedling emergence to maturity takes about 70 days, seedlings grow evenly during growth without disease and pest damage, harvested seed tubers are good in quality, total virus (PVY (Potato Virus Y) and PLRV (Potato Leaf Roll Virus)) rate is 4%, bacterial wilt rate is 0.35%, indexes comply with related specifications in seed tubers of Solanum tuberosum GB 18133-2012, the yield per mu can be increased by 35%, and the yield of small potatoes is up to 70%.

Description

technical field [0001] The invention relates to the field of potato planting, in particular to a method for cultivating virus-free potato seeds. Background technique [0002] Potato is not only one of the main food crops in my country, but also an important feed and industrial raw material crop. It has high economic benefits. However, since potatoes are asexually propagated crops, if they are planted for a long time, the characteristics of the variety will be seriously degraded, and the result will be a significant decrease in yield. . In recent years, a key problem restricting the development of the potato industry has been effectively solved by cultivating virus-free seed potatoes and establishing an improved seed cultivation system. Virus-free seed potatoes are cultivated into regenerated plants by peeling off potato shoot tips and tested by virus serology. Non-toxic plants, tissue culture and rapid propagation to produce test-tube seedlings, under very strict insect-proo...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 郑轶
Owner 巫溪县薯光农业科技开发有限公司
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