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Methods of Improving the Germination Rate of Black Rice Seeds

A technology of germination rate and black rice tree, which is applied in the field of seedling cultivation of black rice tree, can solve the problems of small size and low germination rate of black rice tree seeds

Inactive Publication Date: 2017-12-19
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the seeds of black rice tree are small in size, hard in texture, and have dormancy characteristics. Under natural conditions, the germination rate is very low, only one in a thousand

Method used

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  • Methods of Improving the Germination Rate of Black Rice Seeds
  • Methods of Improving the Germination Rate of Black Rice Seeds
  • Methods of Improving the Germination Rate of Black Rice Seeds

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0032] The preparation of the mature seed of black rice tree:

[0033] a1. At 10° C., soak the fruit of the black rice tree in water for 24 hours.

[0034] a2. Repeatedly scrubbing the soaked Wufanshu fruit to remove pulp and rinsing to remove immature seeds;

[0035] a3, the seeds after rinsing are placed in gauze to squeeze out the moisture, then aired in the air for 2 days in a ventilated place, and then sieved with a 30-mesh sieve to obtain the mature seeds of the black rice tree.

Embodiment 1

[0037] 1) Select plump and shiny mature seeds of black rice tree, 200 grains as a group, a total of 30 groups. Then at 30°C, they were wrapped with gauze and then soaked together with gauze in water for 15 hours.

[0038] 2) At 12° C., soak the seeds in 70% ethanol for 8 minutes to sterilize the seeds soaked in clear water, and then rinse them repeatedly with distilled water for 2-3 times.

[0039] 3) At 12°C, put 3 groups of washed seeds (200 seeds in each group, 600 seeds in total) in 100mg / L GA 3 Seed soaking treatment in the solution for 24h.

[0040] 4) Evenly put the soaked seeds into a petri dish with a diameter of 9 cm and 2 layers of clean gauze, and put 200 seeds (one group) into each petri dish. Wherein, the cultivation meets the following conditions: the temperature is 25°C, the light intensity is 8.80klx, the sunshine time is 12h, the total cultivation time is 24 days, watering 2 times a day (each watering amount is 13ml / petri dish, morning and evening each 1 S...

Embodiment 2

[0044] Carry out according to the method of embodiment 1, difference is, GA 3 GA in solution 3 The concentration is 200mg / L.

[0045] See the germination rate of the seed in this embodiment figure 1 , see germination potential figure 2 , see germination index image 3 .

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Abstract

The invention discloses a method for improving the germination rate of arborescens, the method comprising: a. collecting mature seeds of arborescens; b. soaking the mature seeds in a gibberellic acid (GA3) solution; c. Cultivate the soaked seeds to obtain the seedlings of the black rice tree. The method makes the black rice tree species have excellent germination rate, germination vigor and germination index.

Description

technical field [0001] The invention relates to the cultivation of seedlings of the black rice tree species, in particular to a method for improving the germination rate of the black rice tree species. Background technique [0002] In recent years, the development of the new fruit tree blueberry (Vaccinium spp.) is very hot. Blueberry is a shrub of the Rhododendronaceae Vaccinium genus. It is a shallow-rooted tree species with few root hairs. It has strict requirements on soil pH. The suitable range of soil pH is 4.0-5.5, and the optimum pH value is 4.3-4.8. Therefore, many areas where blueberries are cultivated Soil improvement is required. Improving the adaptability of blueberry so that it can be popularized in a large area is an urgent problem in this field. At present, grafting with tree species with close relatives as rootstock can solve the adaptability problem of blueberry to soil. The native tree species Vaccinium bracteatum Thunb. has a close relationship with bl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01C1/00
Inventor 肖伟鸣许庆龙肖家欣
Owner ANHUI NORMAL UNIV