Andrographis paniculata plug seedling cultivation method through sand culture

The technology of andrographis paniculata and plug tray is applied in the field of plant seedling raising, which can solve the problems affecting the timely turning green of seedlings, prolong the occupation time of the field, reduce the utilization rate of land, etc., and achieve the effects of good uniformity, safe technical support, and convenient fertilizer and water management.

Inactive Publication Date: 2014-01-29
CROP RES INST GUANGDONG ACAD OF AGRI SCI
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AI Technical Summary

Problems solved by technology

Although direct seeding is simple and time-saving, because the surface of Andrographis paniculata seeds is covered with a thick waxy layer, direct seeding seeds are not easy to absorb water and germinate in the soil, and the germination rate is low, which not only wastes the seed source, but also prolongs the occupation time of the field and reduces land utilization
Although the traditional nutrient soil seedbed transplanting can improve the germination rate of seeds and the utilization rate of land, it is too dense and not conducive to the cultivation of strong seedlings; at the same time, when the seedlings are pulled out and transplanted, because the root system does not carry soil, it will also greatly affect the transplanting rate. Timely rejuvenation of seedlings after planting; and it is not suitable for large-scale cultivation of strong seedlings in factories

Method used

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  • Andrographis paniculata plug seedling cultivation method through sand culture
  • Andrographis paniculata plug seedling cultivation method through sand culture
  • Andrographis paniculata plug seedling cultivation method through sand culture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Screening of Andrographis paniculata Seedling Substrate:

[0029] (1) sand peening method, such as figure 1 Shown:

[0030] ① Seedling pool 1 is built in a 30×8×2.2m seedling shed, surrounded by a square pool made of red bricks 2, the length and width of the pool are determined by the number of seedlings and the number of seedling trays 5 placed, and the depth of the pool 15cm, after flattening, use the watertight film 3 as the bottom and enclose it around, and fill it with ordinary river sand 4 with a depth of 8-12cm.

[0031] ②Prepare seedling substrate 6 according to Table 1 (add 0.1% 50% carbendazim wettable powder for disease control when preparing the substrate), and put it into 96 square holes (diameter 5.8cm, depth 5.8cm) In the seedling hole of the plastic seedling raising tray 5, the bottom of the seedling hole is provided with a water absorption hole 7, and each formula is provided with 10-15 holes, which are repeated 4 times. Andrographis paniculata seeds...

Embodiment 2

[0044] The effect of sand culture medium on the emergence rate of Andrographis paniculata:

[0045] (1) The construction method of the nursery pond is the same as the sand culture method (1)① in Example 1.

[0046] (2) See Table 3 for the formula of seedling matrix. Put the prepared matrix into a plastic seedling seedling tray with 50 holes (diameter 5.8cm, hole depth 5.8cm), the bottom of the seedling hole is provided with water absorption holes, each formula is set with 10 to 15 holes, repeat 4 Second-rate. The Andrographis paniculata seeds (same as Example 1 (1) ②) after the seed soaking treatment in warm soup were evenly sown in each seedling hole, 10 seeds per hole, and then the seedling plug tray was placed in the nursery pond. There are gaps around the perimeter. Slightly press the seedling tray, so that 1 / 3 to 2 / 3 of the seedling hole is embedded in the river sand. Fill the nursery pond with water to a level slightly above the surface of the river sand.

[0047] (...

Embodiment 3

[0056] The comparison test of three seedling raising methods was set up for 4 repetitions.

[0057] (1) Sand cultivation method: Formula A in Table 1 was used, and the seedling tray was a 128-hole square-hole plastic plug tray, and the specific steps were the same as the sand cultivation method in Example 1.

[0058] (2) Floating method: Formula A in Table 1 was used, and the seedling tray was a 128-hole square-hole plastic plug tray, and the specific steps were the same as the floating method in Example 1.

[0059] (3) Traditional nutrient soil seedling raising techniques, such as image 3 Shown: The formula of nutrient soil is decomposed soil fertilizer and mellow soil in a mass ratio of 3:7. After fully mashing and mixing, it is laid on a 1.2-meter-wide seedling bed with a thickness of about 10 cm. The treated Andrographis paniculata seeds (the treatment steps are the same as those of the step (1) in Example 1) are sown in the nutrient soil seedbed, then a thin layer of pi...

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Abstract

The invention discloses an andrographis paniculata plug seedling cultivation method through sand culture. The andrographis paniculata plug seedling cultivation method comprises the following steps of: sowing andrographis paniculata seeds which are soaked for pregermination in a matrix of seedling cultivation plug, then pressing the seedling cultivation plug into a seedling cultivation tank which is filled with river sand and is watertight at bottom and the periphery, and irrigating to maintain sand bed to be humid so that the seeds absorb water for germination and growing; and when 8-10 pieces of euphylla grow out, transplanting the seedlings with the matrix into a large field. Compared with a conventional andrographis paniculata seedling cultivation technique, the andrographis paniculata plug seedling cultivation method has the advantages of low cost, less sowing quantity, convenience in management, saved labor and fertilizer and the like. Compared with a conventional seedling cultivation technique through nutritional soil, the cultivated seedlings have the advantages of good uniformity, robust plants, developed root systems, transplanting with the matrix, fast reviving and the like. Compared with a floating seedling cultivation technique, the andrographis paniculata plug seedling cultivation method has the advantages of convenience and uniformity in fertilizer and water management, and the cultivated seedlings have the advantages of unserious diseases, developed root systems and the like. The andrographis paniculata plug seedling cultivation method is beneficial to strong andrographis paniculata seedling cultivation and industrial production of the seedlings, thus providing effective technical support for andrographis paniculata GAP (Good Agricultural Practices) planting.

Description

technical field [0001] The invention belongs to the technical field of plant seedling cultivation, and in particular relates to a method for cultivating seedlings of Andrographis paniculata. Background technique [0002] Andrographis paniculata (Burm.f.) Nees is a kind of annual herb, its leaves or whole herb are used as medicine. important raw material for medicine. Andrographis has been used for centuries in China and India as a remedy to support the immune system. Research in the past ten years has confirmed the positive effects of Andrographis paniculata on a variety of human functions and diseases, from common colds and fevers to tonsillitis, pneumonia, tuberculosis, pharyngitis, upper respiratory tract infections, bacillary dysentery and diarrhea. Significant curative effect. The latest scientific research shows that the main active ingredients of Andrographis paniculata include lactones, flavonoids and sterols. Among them, neoandrographolide has been developed int...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G31/00A01C1/00
Inventor 邱道寿刘晓津谭铭喜陈俊标李淑玲张振臣蔡时可马柱文罗焕明张蕾邓瑞云
Owner CROP RES INST GUANGDONG ACAD OF AGRI SCI
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