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Soiless breeding method for micro planting detoxic radix rehmanniae

A Rehmannia glutinosa, miniature technology, applied in soilless cultivation, horticultural methods, botanical equipment and methods, etc., can solve the problems of increased breeding costs, degradation of species, and inability to continue planting, so as to improve land utilization and reduce production costs. , the effect of lowering the breeding threshold

Inactive Publication Date: 2009-08-05
INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI
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Problems solved by technology

[0003] However, there are still many problems in the production of Rehmannia glutinosa and the process of planting and breeding of Rehmannia glutinosa, which seriously affect the development of Rehmannia glutinosa production. The main problems are: (1) Virus diseases are seriously harmful
Since Rehmannia glutinosa is an asexually propagated crop, it is easy to be infected with viral diseases. Once Rehmannia glutinosa is infected with viral diseases, the virus will continue to proliferate, accumulate, and be passed on from generation to generation in the body, which will aggravate the disease from generation to generation, resulting in a decrease in the yield of Rehmannia glutinosa, degeneration or even loss of species. Serious damage to rehmannia production
(2) Can not be planted repeatedly
It takes 8-10 years to plant rehmannia rehmanniae in the plots that have been planted with rehmannia glutinosa, which seriously affects the development of rehmannia glutinosa production. (3) The amount of seeds used is large
Planting rehmannia glutinosa generally requires 50-70kg of rehmannia root planting per mu. Calculated at 10 yuan per kilogram, it needs to invest 500-700 yuan, and the cost is relatively high
In addition, the breeding of rehmannia glutinosa is also relatively complicated. It needs to reserve a special land for production and planting every year. Generally, it is sown in April every year. Harvesting and planting for production is very troublesome
(4) Serious mix of varieties
Since the virus is transmitted and infected by virus-infecting insects, in order to prevent re-infection of the virus, the breeding of virus-free Rehmannia glutinosa must be carried out in an insect-proof net room. Since Rehmannia glutinosa cannot be planted repeatedly, the breeding fields must be replaced every year, and the relevant facilities need to be replaced every year. Repeated construction and increased breeding costs have seriously affected the development of detoxified Rehmannia glutinosa and become a bottleneck in the popularization and application of detoxified rehmannia glutinosa

Method used

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  • Soiless breeding method for micro planting detoxic radix rehmanniae
  • Soiless breeding method for micro planting detoxic radix rehmanniae
  • Soiless breeding method for micro planting detoxic radix rehmanniae

Examples

Experimental program
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Effect test

Embodiment 1

[0046] Embodiment one: the micro-planting soilless propagation method of detoxified rehmannia glutinosa comprises the following steps

[0047] (1) Preparation of Rehmannia glutinosa virus-free test tube seedlings:

[0048] The test-tube seedlings of the virus-free Rehmannia glutinosa 9302 were used to propagate in the tissue culture room by rapid propagation of stem segments, and the propagated test-tube seedlings were transplanted after conventional hardening. Planting density: 90 strong seedlings per square meter.

[0049] (2) Preparation of base material:

[0050] In this example, the inorganic matrix is ​​vermiculite and perlite, and the organic matrix is ​​grass carbon soil, which is mixed according to the volume ratio of vermiculite: perlite: peat soil 3:1:1, and then 50% carbendazim is added in the mixed matrix material The wettable powder is mixed evenly, and the dosage of 50% carbendazim is 1.25 g / kg matrix;

[0051] The mixed matrix material is placed in the matri...

Embodiment 2

[0059] Embodiment two: the micro-planting soilless propagation method of detoxified rehmannia glutinosa comprises the following steps

[0060] (1) Preparation of Rehmannia glutinosa virus-free test tube seedlings:

[0061] The virus-free Rehmannia glutinosa variety used is 9302, and the test-tube seedlings are propagated in large quantities by the method of rapid propagation of stem segments in the tissue culture room. When the seedling age is 4-5 leaves, the seedlings are prepared for hardening for about a week. Planting density: There are about 100 strong seedlings per square meter.

[0062] (2) Preparation of planting base material:

[0063] In this example, the inorganic matrix is ​​vermiculite and perlite, and the organic matrix is ​​grass carbon soil, which is mixed according to the volume ratio of vermiculite: perlite: peat soil 1:1:1, and then 50% carbendazim is added to the mixed matrix material Wettable powder, the dosage of 50% carbendazim is 1.66 g / kg matrix;

...

Embodiment 3

[0072] Embodiment three: the micro-planting soilless propagation method of detoxified rehmannia glutinosa comprises the following steps

[0073] (1) Preparation of Rehmannia glutinosa virus-free test tube seedlings:

[0074] The virus-free Rehmannia glutinosa variety is Beijing No. 1, and the test-tube seedlings are propagated in large quantities by the method of rapid propagation of stem segments in the tissue culture room. When the seedling age is 4-5 leaves, the seedlings are prepared for hardening for about a week. Planting density: 90 strong seedlings per square meter.

[0075] (2) Preparation of planting base material:

[0076] In this example, the inorganic matrix is ​​vermiculite, and the organic matrix is ​​grass carbon soil, which is mixed according to the volume ratio of vermiculite: peat soil 4:1, then 50% carbendazim wettable powder is added to the mixed matrix material, and 50% carbendazim The consumption of spirit is 1.43 grams / kg matrix;

[0077] Stir the mi...

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Abstract

The present invention discloses a method of de-toxic rehmannia miniature seed cultivation without soil, wherein after inorganic matrix and organ matrix are mixed at a ratio, available dosage bactericide is added and mixed, after general refining seeding, tube seedling obtained by planting high grade de-toxic rehmannia breed is transplanted or directly planting rehmannia, regular irrigates Nutritious liquid A and B of the present invention to keep suitable ground temperature after planting ,at same time using mothproof device. The method has effectively solved problem that rehmannia could not repeated-plant and must changes ground annually, the method also effectively has reduced seed quantity used about 50%, reduced cost; have averagely increased production 33.7%;could achieve multi-generation reproduction in one year, increases propagation times of de-toxic rehmannia, uniformity of rehmannia produced is good, size is mezzo.

Description

1. Technical field: [0001] The invention relates to a soilless breeding method for rehmannia glutinosa, in particular to a soilless breeding method for miniature planting of detoxified rehmannia glutinosa. 2. Background technology: [0002] Rehmannia glutinosa is also known as Shengdi, and the medicinal part is the enlarged underground tuber. Rehmannia glutinosa is propagated asexually through root tubers, and root tubers at this time are also called planting. The production mode of Rehmannia glutinosa is planted and planted in early April every year, and commercial rehmannia glutinosa is harvested in October-November. Rehmannia glutinosa is the most commonly used medicinal material in Chinese medicine in my country, and it is also one of the four major medicines in China. Rehmannia glutinosa is the main raw material of many traditional Chinese medicine prescriptions and Chinese patent medicines, and its medical use is extensive. Rehmannia glutinosa has the effects of nou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00A01H4/00
Inventor 张振臣张德胜靳秀兰乔奇王永江
Owner INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI
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