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Method for promoting seed germination of cornus florida

A technology of large flowers and four flowers and seeds, which is applied in the directions of seed and rhizome treatment, application, agriculture, etc., can solve the problems of seed quality inspection, inconvenient field sowing work, dormancy habits, etc., and achieves good actual production value, shortening time, The effect of shortening the processing time

Inactive Publication Date: 2015-07-15
南京捷利牡丹农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In production, Dahua Sizhaohua mainly uses seeds for propagation, but the seeds have obvious dormancy habits, which brings a lot of inconvenience to seed quality inspection and field sowing.

Method used

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  • Method for promoting seed germination of cornus florida
  • Method for promoting seed germination of cornus florida
  • Method for promoting seed germination of cornus florida

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] When sowing seedlings in the field, in order to enable the seeds of Dahua Sizhaohua to germinate smoothly, it is necessary to release the dormancy of the seeds. This example uses the method of gibberellin treatment combined with low-temperature stratification to describe in detail how to release the dormancy of the seeds of Sizhaohua grandis.

[0019] A method to promote seed dormancy of Dahua Sizhaohua: use 500mg·L -1 The seeds were soaked with gibberellin for 72 hours, and then the treated seeds were stratified at 0-5°C for 90 days.

[0020] The specific test plan and results are shown in Table 1.

[0021] Table 1 Germination rate of seeds treated with gibberellin combined with low temperature stratification

[0022]

[0023] Note: Germination rate: the ratio of the number of seeds that germinate and have the potential to become normal seedlings to the total number of seeds tested.

[0024] It can be seen from the results in Table 1 that soaking seeds with 500 m...

Embodiment 2

[0026] When sowing seedlings in the field, in order to make the seeds of Dahua Sizhaohua germinate smoothly, it is necessary to remove the dormancy of the seeds, especially the physical dormancy of the seeds, that is, to remove the influence of the bony seed coat on the water absorption and air permeability of the seeds, and promote the seeds to grow faster. to sprout. In principle, any method that can improve the permeability of the seed coat can be used. But in actual use, there are still various problems. This example uses concentrated sulfuric acid acid etching method to describe in detail how to promote the germination of Dahua Sizhaohua seeds.

[0027] A method for promoting the germination of Dahua Sizhaohua seeds is a method of acid etching with concentrated sulfuric acid, soaking seeds with gibberellin and then using low-temperature stratification: first, treat Dahua Sizhaohua seeds with concentrated sulfuric acid for 10 minutes, and keep stirring during the treatmen...

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Abstract

The invention discloses a method for promoting seed germination of cornus florida. Seed soaking is carried out for 10 min by adopting 98% concentrated sulfuric acid, the seed soaking is carried out for 72 hours by 500mg L-1 gibberellin, stratification treatment is carried out on seeds stored at 5 DEG C for two months, the dormancy of the seeds can be removed, and the germination rate of the processed seeds can be reach up to 82%. According to the method, the operation is simple and rapid, the seed dormancy can be removed in shorter time, and the seeds are germinated. An efficient and reliable technological mean is provided for the pre-treatment of the seeds before seedling and raising of the cornus florida and the quality inspection of indoor seeds, the application prospect is wide, the good practical application value is achieved, and the better economic benefit and the social benefit are produced.

Description

technical field [0001] The invention relates to a pretreatment method that can be used for seed field sowing or a pretreatment method that can be selected in the process of seed quality inspection, and in particular relates to a method for promoting the germination of Dahua Sizhaohua seeds. Background technique [0002] Big flower Si Zhaohua ( Cornus florida L.), is a woody plant in the Cornaceae family. Native to eastern North America, it is distributed from southern Maine in the United States to the west through southern Ontario, Canada to eastern Kansas in the United States, and south to northern Florida and eastern Texas. Dahua Sizhaohua is a small deciduous tree with beautiful, round and umbrella-shaped tree shape, bright leaves, which turn red in autumn, and remain on the tree for more than one month. It blooms in early spring, the umbels are not obvious, and there are four large white round bracts around the inflorescence. The bracts are obvious, and the tops usuall...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 李淑娴刘海琳陈赢男尹佟明
Owner 南京捷利牡丹农业科技有限公司
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