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A kind of grass plant cultivation method

A cultivation method and plant technology, applied in the fields of botanical equipment and methods, seed immunization, seed and rhizome treatment, etc., can solve the problems of long time, kill seeds, complicated procedures, etc., and achieve high specification consistency and seedling formation. The effect of short time and simple equipment

Active Publication Date: 2017-10-17
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
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Problems solved by technology

However, the above methods also have disadvantages such as unstable germination rate, long time-consuming, relatively complicated procedures, need for related equipment and excessive temperature will reduce the germination potential or even kill the seeds after the seeds are treated by the above methods.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] The specific method is as follows:

[0022] (1) Pre-treatment of seeds:

[0023] Select the switchgrass seeds whose harvest period reaches more than 2 years, and the variety used in this method is Dacotah. Before germination, put the plant seeds into gauze bags, place them in an open-air ventilated place, and dry them in the sun for 1-2 days in a sunny day to let them dry naturally. Then carry out disinfection. The method is: remove impurities from the seeds, soak them in 50% sulfuric acid solution for 20-30 minutes, and remove the seed coat to gradually reveal the white seed embryos. Pour off the sulfuric acid, add deionized water to wash the seeds 2 to 3 times, and then soak the seeds in 75% ethanol solution for 20 to 30 minutes. Then add deionized water to wash the seeds 3 to 5 times. During the soaking of seeds, the container can be fixed on the oscillator to vibrate back and forth, so that the seeds can fully contact with the disinfection solution to enhance the...

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Abstract

The invention provides a method for cultivating grass plants, which comprises the following steps: (1) pretreatment of seeds; (2) germination of seeds; (3) transplanting strong seedlings with quartz sand; (4) cultivating in nutrient solution. Compared with the prior art, the present invention uses switchgrass seeds that have been naturally post-ripened for more than 2 years, and undergoes three stages of seed germination, transplanting strong seedlings with quartz sand, and cultivating seedlings with nutrient solution, and finally cultivates switchgrass seedlings. It has the advantages of simple equipment, easy operation, relatively shorter seedling time, and high consistency of specifications.

Description

technical field [0001] The invention relates to a method for cultivating grass plants, which belongs to the field of nursery stock breeding. Background technique [0002] Switchgrass (Panicum virgatum) is a tall-stalked perennial herb originating from the prairies east of the Rocky Mountains and south of 55°N latitude in North America. 4 plant. Compared with traditional crops, switchgrass has strong drought resistance, requires less fertilizer, has less pest damage, and has higher yield, with the highest yield reaching 74.1t / hm 2 . Switchgrass not only has a large biomass, but also has a very high content of lignin and cellulose in the cell wall (dry matter). As early as 1992, switchgrass was selected by the US Department of Energy (USDOE) as a model bioenergy crop. [0003] Switchgrass seeds are generally small, with a thousand-grain weight of only about 1 g, and high dormancy. Existing studies have reported that the germination rate of newly harvested seeds is only 3% ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00A01C1/08A01G1/00
Inventor 宋刚曹正徐银谢正林黄小忠
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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