Method of improving prunus maritime seed emergence rate

A seedling emergence rate and seed technology, applied in the field of pomology and seed science, can solve the problems of seed nutrient consumption, loss of vitality, seed loss of vitality and germination, etc., to promote emergence rate, relieve dormancy, and increase seeding emergence rate Effect

Inactive Publication Date: 2013-05-08
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Seed water content is an important factor affecting the storage life of seeds. Under normal temperature conditions, short-term storage of seeds is safer under drier conditions. However, if the water content is too low, the seeds will lose their viability and germination ability; If the amount of water is too high, the metabolic activity of the seeds will be strengthened, which will cause excessive consumption of nutrients stored in the seeds and premature loss of vitality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Example 1: the method comprises the following steps, each step has a promoting effect on the emergence rate, and its sequence cannot be reversed:

[0025] 1) Harvesting: In early September, after the fruit of the plum is fully mature, it is picked. The fruit is soaked in water for 12 hours, part of the water is removed, mixed according to the volume ratio of berry:water:coarse sand of 1:1:1.5, then the pulp is removed by hand rubbing, and finally washed with water to obtain the berry seed.

[0026] 2) Drying: Dry the harvested plum seeds in the sun for 1 day (about 8 hours), then place them in a cool place to dry, and when the water content of the seeds reaches about 20%, put them in a breathable kraft paper bag for storage. About 500g per bag.

[0027] 3) Seed selection: 60 days before sowing, select plump plum seeds with a thousand-grain weight greater than 200g, no pests and diseases.

[0028] 4) Seed soaking: Soak the selected seeds in clear water for 24 hours, th...

example 2

[0033] Example 2: The effect of sowing depth on seed emergence of Lime plum

[0034] Depth / cm

[0035] The results showed that the sowing depth had a great influence on the average emergence time and emergence rate of the seeds of Lime japonica. When the sowing depth is 2.5cm, due to the shallow covering soil, the seeds are very easy to be exposed outside, causing the seeds to be very easy to dry and lose water and thus lose their vitality, and the emergence rate is low. When the depth is 12.5cm, not only the average emergence time is prolonged, but also the emergence rate is reduced. Sowing too deep will cause the seeds to lack oxygen, and it will be more difficult to drill out of the ground. Between 5cm and 10cm, the average emergence time is shorter, and the emergence rate is higher. When 7.5cm, the shortest emergence time is only 28.3 days, and the highest emergence rate is 83%. Therefore, it is advisable to sow seeds in the field at a depth of 5 cm to 10 cm.

example 3

[0036] Example 3: The effect of low-temperature sand storage time on the emergence rate of Lime plum seeds

[0037] sand hide time / d

[0038]The results showed that the time of storage in low-temperature sand had a great influence on the average emergence time and emergence rate of the seeds of Littoria japonica. When the sand storage time was 35 days, the average emergence time and emergence rate had no significant difference compared with the control, and the emergence was uneven; when the sand storage time was 80 days, the average emergence time was not significantly different from 65 days, but the emergence rate decreased This is mainly due to the rapid decline in seed viability caused by excessive sand storage time, which caused respiratory obstruction and mold rot; when the sand storage time was 50d-65d, the average emergence time of Lime plum seeds was shorter than other treatments, and The seedlings emerge neatly and the emergence rate is also high. Therefor...

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Abstract

The invention belongs to the technical field of spermology and pomology, and particularly relates to a method of improving the prunus maritime seed emergence rate. According to the method, the period of dormancy of prunus maritime seeds is shortened, and the emergence rate of the prunus maritime seeds is improved. The method comprises the steps of harvesting, drying, seed selection, seed immersing, sterilizing, storage in sand, sowing, and after-sowing management. According to the method, the time for storage in sand of the prunus maritime seeds is 50-65 days, the emergence rate can reach to above 85% which is 20% more than that reported in documents. The method of improving the prunus maritime seed emergence rate has the advantages of being simple in operation, good in handling capacity, easy to operate manually, and high in application value for seeding propagation, introduction and domestication, variety breeding and efficient utilization of prunus maritime.

Description

technical field [0001] The invention belongs to the technical fields of seed science and pomology, and in particular relates to a method for improving the emergence rate of sowing and seedling seeds of drupe fruit trees. Background technique [0002] Prunus maritima is a shrub of the genus Prunus in the Rosaceae, native to the North Atlantic coast of the northeastern United States. Binmei blooms first with leaves, large and dense flowers, and can be used for garden ornamental greening. It also has many branches and can be used to make beautiful tree-shaped bonsai; secondly, the fruit of Binmei is sweet and sour, with a solid content of 9.4-19.0 (Brix), which can be used for the processing of a series of fruit products such as jelly and juice; moreover, the root system of Lime plum is well developed, and it has the resistance to drought, barrenness, salt and alkali, etc. It can be used for the restoration of coastal beaches and the maintenance of dunes. Fix it, or use it as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C1/00A01D91/04A01C1/08
Inventor 王小敏张春红吴文龙李维林胡淑英黄涛
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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