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Breeding method for improving the seed yield of Chinese horse chestnut

A technology for horse chestnut and seeds, which is applied in the fields of botanical equipment and methods, horticulture, cultivation, etc., can solve the problems of long flowering and seed production cycle and low seed production rate of horse chestnut, and achieves the improvement of seedling emergence rate, shortening cycle, The effect of improving seed yield

Inactive Publication Date: 2017-02-15
陕西务本堂实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the flowering and seed production cycle of horse chestnut is too long, and the seed production rate is extremely low. Generally, the seed production rate of 10-year-old horse chestnut is less than 2 kg, which cannot meet the market demand at all.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A breeding method for improving seed yield of horse chestnut, specifically comprising the following steps:

[0026] 1) The capsules picked from the horse chestnut in September are spherical, with flat tops, slightly concave, and yellowish-brown seeds;

[0027] 2) Screen the seeds to remove rotten and shriveled ones;

[0028] 3) Treat the selected seeds against insects and bacteria, and store them in sand at 0°C until April of the following year;

[0029] 4) Ditch the seedbed after applying organic fertilizer and sterilizing and killing insects. The row spacing is 20 cm, the plant spacing is 15 cm, and the seed hilum is buried 5 cm below the ground, and then covered with plastic film;

[0030] 5) Germinate and release seedlings in 16 days. During this period, the temperature and humidity should be well controlled, and attention should be paid to watering and heat preservation to promote seedling emergence;

[0031] 6) When the sapling grows to the spring of the next ye...

Embodiment 2

[0035] Example 2 A breeding method for improving seed yield of horse chestnut, specifically comprising the following steps:

[0036] 1) The capsules picked from the horse chestnut in October are spherical, with flat tops, slightly concave, and yellowish-brown seeds;

[0037] 2) Screen the seeds to remove rotten and shriveled ones;

[0038] 3) Treat the selected seeds against insects and bacteria, and store them in sand at 3°C ​​until April of the following year;

[0039] 4) Ditch the seedbed after applying organic fertilizer and sterilizing and killing insects. The row spacing is 30 cm, the plant spacing is 30 cm, and the seed hilum is buried 3 cm down in the ground, and then covered with plastic film;

[0040] 5) Germinate and release seedlings within 12 days. During this period, the temperature and humidity should be well controlled, and attention should be paid to watering and heat preservation to promote seedling emergence;

[0041] 6) When the sapling grows to the spr...

Embodiment 3

[0045] Example 3 A method for breeding horse chestnut, specifically comprising the following steps:

[0046] 1) In October, the capsules picked from wild horse chestnuts in Qinling Mountains are spherical, with flat tops, slightly concave, and yellowish-brown seeds;

[0047] 2) Screen the seeds to remove rotten and shriveled ones;

[0048] 3) Treat the selected seeds against insects and bacteria, and store them in sand at 5°C until April of the following year;

[0049] 4) Ditch the seedbed after applying organic fertilizer and sterilizing and killing insects, with a row spacing of 25 cm and a plant spacing of about 15 cm, bury the seed hilum down 4 cm into the ground, and then cover it with plastic film;

[0050] 5) Germinate and release seedlings within 14 days. During this period, the temperature and humidity should be well controlled, and attention should be paid to watering and heat preservation to promote seedling emergence;

[0051] 6) When the sapling grows to the s...

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PUM

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Abstract

The invention discloses a breeding method for improving the seed yield of Chinese horse chestnut. The method comprises the following steps: picking seeds which are spherical in capsules, flat-topped, slightly concave, and yellowish-brown from wild Chinese horse chestnut in Qinling mountains in September-October; performing pest control and anti-bacterial treatment on the picked seeds, and storing the treated seeds in sand at a temperature of 0-5 degrees until March-April of next year; digging ditches in seedbeds that are subjected to organic fertilizer application, sterilization and insect killing, and burying seed umbilici in the ground downwards by 3-5cm and performing covering with mulch films; sprouting the seeds in 12-16 days and releasing seedlings; transplanting out the seedlings with straight and long stems and good shapes after the seedlings grow to the next spring, and grafting the branches with more flowering and high seed yields to the seedlings with short and curved stems and bad shapes. The method greatly improves the seed yield of the Chinese horse chestnut while improving the emergence rate of the Chinese horse chestnut and shortening the flowering and seed-producing periods. The method enables the seed yield of triennial Chinese horse chestnut to be 2kg or above and the seed yield of pentaennial Chinese horse chestnut to be 7 kg or above.

Description

technical field [0001] The invention belongs to the technical field of plant breeding, and relates to a breeding method for new plant varieties, in particular to a breeding method for improving the yield of horse chestnut seeds. Background technique [0002] Horse chestnut is also called, Latin scientific name Aesculus chinensis Bunge ("Flora of China"), English name: Chinese Horse Chestnut, Chinese alias: shuttle tree. Horse chestnut is a deciduous tree of the Sapindaceae Aesculus family, and the horse chestnut is a deciduous tree of the thyrsoid group. [0003] This species is an excellent street tree and garden tree in the Yellow River Basin. The fine wood can be used to make various utensils, the seeds can be used for medicine, and the oil can be pressed to make soap. [0004] In China, horse chestnut has a deep relationship with Buddhism, so many famous ancient temples, such as Hangzhou Lingyin Temple, Beijing Reclining Buddha Temple, and Dajue Temple, have horse ches...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G17/005
Inventor 司楠
Owner 陕西务本堂实业有限公司
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