Method for removing dormancy of seeds of Taxus chinensis var. mairei and increasing their survival rate

A southern yew, survival rate technology, applied in seed and rhizome treatment, application, agriculture, etc., can solve the problems of long time, low germination rate, damage to seed embryos, etc., to shorten the germination time, the method is scientific and safe, and the improvement The effect of germination

Inactive Publication Date: 2020-01-17
界首市王集镇毛毛家庭农场
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The application number is 201310089480.9, which discloses a method for breaking the dormancy of the seeds of Taxus chinensis, which has the advantages of saving time, effectively and economically breaking the dormancy method, so as to solve the problems of deep dormancy, difficult germination and low germination rate. Seedling market circulation provides standards to ensure seed quality, which is of great significance to the breeding and cultivation of Ta

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  • Method for removing dormancy of seeds of Taxus chinensis var. mairei and increasing their survival rate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A method for releasing dormancy of southern yew seeds and improving its survival rate, comprising the following steps:

[0033] (1) Selection:

[0034] First select the southern yew seeds with full grains, no pests and diseases, picked in the same year, and then select 1,000-grain weight 70g, water content 6%, seed length 5mm, seed width 4mm, seed coat is purple-brown, outer testa is hard, hilum is oval shaped seeds for use;

[0035] (2) Sand storage treatment:

[0036] a. First put the fine sand, coarse sand, vermiculite, and plant ash into the mixing tank according to the weight ratio of 3:6:2:1, and then inject the total weight of fine sand, coarse sand, vermiculite, and plant ash into the mixing tank 50% sterile water, stirred and mixed at a speed of 500rpm to obtain a mixture;

[0037] b. First put the mixture obtained in operation a into a microwave oven for activation, and activate it for 30 minutes, then take it out and cool it to 17°C in a low-temperature en...

Embodiment 2

[0055] A method for releasing the dormancy of southern yew seeds and improving their survival rate, comprising the following steps:

[0056] (1) Selection:

[0057] First select the southern yew seeds with full grains, no pests and diseases, and picked in the same year, and then select 1,000-grain weight 72.5g, water content 6.5%, seed length 6mm, seed width 4.5mm, seed coat is purple-brown, outer testa is hard, hilum Reserve for oval seeds;

[0058] (2) Sand storage treatment:

[0059] a. Put the fine sand, coarse sand, vermiculite, and plant ash into the mixing tank according to the weight ratio of 3.5:7:2.5:1.5, and then inject the total weight of fine sand, coarse sand, vermiculite, and plant ash into the mixing tank 55% sterile water, stirred and mixed at a speed of 550rpm to obtain a mixture;

[0060] b. First put the mixture obtained in operation a into a microwave oven for activation, and activate it for 35 minutes, then take it out and cool it to 21.5°C in a low-te...

Embodiment 3

[0078] A method for releasing the dormancy of southern yew seeds and improving their survival rate, comprising the following steps:

[0079] (1) Selection:

[0080] First select the southern yew seeds with full grains, no pests and diseases, picked in the same year, and then select 1,000-grain weight 75g, water content 7%, seed length 7mm, seed width 5mm, seed coat is purple-brown, outer testa is hard, hilum is oval shaped seeds for use;

[0081] (2) Sand storage treatment:

[0082] a. First put the fine sand, coarse sand, vermiculite, and plant ash into the mixing tank according to the weight ratio of 4:8:3:2, and then inject the total weight of fine sand, coarse sand, vermiculite, and plant ash into the mixing tank 60% sterile water, stirred and mixed at a speed of 600rpm to obtain a mixture;

[0083] b. First put the mixture obtained in operation a into a microwave oven for activation, and activate it for 40 minutes, then take it out and cool it to 25°C in a low-temperat...

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Abstract

The invention discloses a Method for removing dormancy of seeds of Taxus chinensis var. mairei and increasing their survival rate, which comprises the steps: (1) selecting seeds; (2) storing with sand; (3) soaking the seeds; and (4) accelerating germination at a constant temperature. The dormancy of seeds is broken through sand storage, seed soaking, constant-temperature germination accelerating and other methods, the seed germination time is shortened, the seed germination rate and the seedling survival rate are increased, the method is scientific and safe, the time consumption is low, and the method has good market popularization and application value.

Description

technical field [0001] The invention belongs to the technical field of yew planting, and in particular relates to a method for relieving dormancy of southern yew seeds and improving their survival rate. Background technique [0002] Southern yew ( Taxus chinensis var. mairei) belongs to the genus Taxus, which is a unique tree species in my country, mainly distributed in Anhui, Zhejiang, Fujian, Gansu, Yunnan and Shaanxi provinces. Its wood is fine and durable, and its quantity is rare. The bark contains paclitaxel, an anticancer drug ingredient. Now it has been felled and destroyed a lot, and it is in an endangered state. In 1999, it was listed as a first-class protected wild plant in my country. The dormancy period of southern yew is as long as 2-3 years under natural conditions, which is a typical comprehensive dormancy. The dormancy characteristics of yew seeds are mainly caused by post-ripening factors of embryos and endogenous substances in embryos. There is also r...

Claims

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Application Information

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IPC IPC(8): A01C1/00
CPCA01C1/00
Inventor 赵小雷
Owner 界首市王集镇毛毛家庭农场
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