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Storage method for increasing germination rate of michelia macclurei seeds

A technology of firepower and germination rate, which is applied in the field of plant seed storage, can solve the problems of zero seed germination rate, loss of water and germination power of seeds, and achieve the effect of not easy seed mildew, increasing seed germination rate, and low cost

Active Publication Date: 2015-06-24
RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Our experiment found that the above-mentioned conventional storage method contains high moisture, and the seeds are prone to mold (the rate of seed mold is proportional to the time), and after more than 1 year of storage, the germination rate of the seeds is almost zero.
However, if the seeds are stored in the sun, the seeds will lose moisture and lose their germination power.

Method used

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  • Storage method for increasing germination rate of michelia macclurei seeds
  • Storage method for increasing germination rate of michelia macclurei seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 improves the storage method of Huolinan seed germination rate

[0021] Proceed as follows:

[0022] 1. Put the harvested mature Huolinan cones into a breathable nylon bag, place them in a cool and ventilated place to dry naturally, turn the nylon bag frequently until the cones crack and reveal the seeds wrapped in red seed coat, and peel off the seeds wrapped in red seed coat For the cones, soak the collected seeds in tap water for 3-6 hours, remove the soaked seeds and wet sand and rub them in a volume ratio of 1:1, and collect the seeds after the tan or black Huolinan seeds are detached from the seed coat And wash well, air dry in the shade.

[0023] 2. The processed Huolinan seeds are mixed evenly with dry sand and water according to the volume ratio of 4:8:1, and stored in a 4°C refrigerator in a vacuum sealed bag.

[0024] Adopt the condition of embodiment 1, 100g seed stripping seed coat needs about 20 minutes, and seed is not damaged, has done 3 ti...

Embodiment 2

[0025] Embodiment 2 improves the storage method of Huolinan seed germination rate

[0026] Except that in step 2, Huolinan seeds are mixed evenly with dry sand and water according to the volume ratio of 8:8:1, and stored in a vacuum sealed bag in a refrigerator at 10°C, other operations are the same as in Example 1.

[0027] Adopt the condition of embodiment 2, 100g seed stripping seed coat needs about 20 minutes, and seed is not damaged, has done 3 times of repeated tests after seed air-drying, and each repeats and adopts 150 Huolinan seeds to carry out storage test, takes out seed after 1 year and carries out Sowing, the number of seeds with mold was repeated 3 times, respectively 67, 52, 83, after 2 months of sowing, the germinated seedlings were statistically analyzed, and the germination rates were 52.3%, 60.7%, 41.2%, respectively, and the germinated seedlings The height is roughly the same.

Embodiment 3

[0028] Embodiment 3 improves the storage method of Huolinan seed germination rate

[0029] Except that Huolinan seeds in step 2 are mixed evenly with dry sand and water according to the volume ratio of 4:12:1.5, and stored in a vacuum sealed bag in a -20°C refrigerator, other operations are the same as in Example 1.

[0030] Adopt the condition of embodiment 3, 100g seeds need about 20 minutes to peel off the seed coat, and the seeds are not damaged. After the seeds are air-dried, repeated tests are done 3 times, and 150 Huolinan seeds are used for each repetition to carry out the storage test, and the seeds are taken out after 1 year. Sowing, no mildewed seeds in 3 repetitions, statistical analysis of the germinated seedlings after 2 months of sowing, the germination rates were 59.2%, 54.3%, 55.0% respectively, and the height of the germinated seedlings was roughly the same. Peel off the seed shell of the ungerminated seeds, and the seed embryo inside loses water seriously an...

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Abstract

The invention discloses a storage method for increasing the germination rate of michelia macclurei seeds. The storage method comprises the steps as follows: ripe michelia macclurei cones are placed in a shade place for natural drying; the michelia macclurei cones are turned over frequently till the cones dehisce; seeds coated with seed coats are peeled off the cones, soaked in tap water for 1-12 hours and rubbed with wet sand according to a volume ratio of (1-5): (1-5); after the seed coats of the seeds are peeled off, the seeds are collected and placed in the shade place for natural drying; and the well processed seeds, drying sand and water are mixed uniformly according to a volume ratio of (1-10): (5-15): (1-3) and stored at a temperature of minus 20 DEG C to 25 DEG C after vacuum pumping is performed. According to the storage method, seed mildew cannot be caused easily, the germination rate of the michelia macclurei seeds after long-time storage can be increased to a large extent, and compared with a conventional storage method, the germination rate is increased by more than 50%; and the operation is simple, the cost is low, the promotion is easy, the problem that the germination rate of the michelia macclurei seeds after long-time storage is very low can be effectively solved, and the storage method has a wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of plant seed storage, in particular, the invention relates to a storage method for improving the germination rate of Huolinan seeds. Background technique [0002] Michelia macclurei Dandy, also known as Zuixiang Michelle, belongs to the evergreen tree of the Magnoliaceae Michelia genus. The tree height can reach 35m, and the diameter at breast height can reach 1.2m. It is mainly distributed naturally at the junction of Guangdong and Guangxi, in the Yangtze River area and It is widely introduced and cultivated in the southern provinces and regions. It is an important native broad-leaved timber and multi-functional high-yield tree species in southern my country. Excellent and other characteristics. Huolinan is a high-value and multi-purpose tree species, suitable for landscape trees, shade trees and street trees; it is an ideal tree species for fire prevention, soil improvement, water conservation and ecologic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01F25/00A01C1/00
Inventor 姜清彬仲崇禄陈羽王里张勇陈珍
Owner RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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