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Method for shortening crossbreeding cycle of soft-seed pomegranates

A hybrid breeding and hybrid seed technology, applied in the fields of botanical equipment and methods, plant genetic improvement, horticulture, etc., can solve the problems such as the inability to meet the rapid demand for new varieties, the weak growth of hybrid seedlings, and the long breeding cycle, so as to improve hybrid breeding. Efficiency, increasing physiological age, effect of shortening reproductive cycle

Active Publication Date: 2021-05-25
INST OF GARDENING ANHUI ACADEMY OF AGRI SCI
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  • Application Information

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Problems solved by technology

However, the hybrid seeds with soft seed varieties as the female parent have a low germination rate in the natural state, and the growth of the hybrid seedlings is also weak, and the seedlings have a childhood period of 2 to 3 years, which makes the entire breeding cycle longer and cannot meet the needs of the market. Large and rapid demand for new varieties

Method used

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  • Method for shortening crossbreeding cycle of soft-seed pomegranates
  • Method for shortening crossbreeding cycle of soft-seed pomegranates
  • Method for shortening crossbreeding cycle of soft-seed pomegranates

Examples

Experimental program
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Embodiment 1

[0035] (1) In mid-May, in the morning of fine weather, select the healthy and complete flowers of 'Tunisia soft seeds', and emasculate them 1-3 days before they open; Tunisian soft seeds' complete flowers are placed together in the pollination bag, and the mouth of the bag is tied. Observe the fertilization situation after 1 week, observe the growth of the hybrid fruit after 1 month, and remove the pollination bag after the fruit setting of the hybrid fruit is stable. Normal management follows.

[0036] (2) In late September, after the hybrid fruit is ripe, pick the fruit, take out the seeds, remove the juice, and obtain the hybrid seeds. Use gauze to wash the seeds repeatedly in clean water to remove sugar and other nutrients on the surface of the seeds. Then wrap the seeds with wet gauze (the water will drip naturally when the gauze is picked up), and accelerate germination at 33°C for 22h, keeping the gauze moist; then place it at 12°C for 4h, and keep the gauze moist; wa...

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Abstract

The invention discloses a method for shortening the crossbreeding cycle of soft-seed pomegranates, which comprises the following steps: accelerating germination of seeds in the same hybrid year, promoting seedling growth through matrix cultivation, and increasing propagation generations and physiological ages of branches through repeated germination and cuttage of lateral buds, thereby achieving the purposes of shortening the juvenile phase and expanding propagation. By means of the method, the germination rate of the soft-seed pomegranate hybrid seeds can reach 80% or above, hybridization in the current year, sowing in the current year, seedling raising in the current year, breeding in the current year and flowering in the second year are achieved, the breeding period of soft-seed pomegranates is remarkably shortened, and the cross breeding efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of plant cross-breeding, in particular to a method for shortening the cycle of soft-seed pomegranate cross-breeding. Background technique [0002] Pomegranate fruit is rich in nutrition, unique in flavor, and has good nutritional and health functions. Pomegranate is an important characteristic fruit tree in my country. It has played an important role in the adjustment of agricultural industry structure. It has become the leading industry of agricultural industry in some production areas and plays an important role in promoting poverty alleviation and building a beautiful countryside. With the further deepening of people's understanding of the nutritional and health functions of pomegranate, the market demand for pomegranate has gradually increased, and the industry has developed rapidly. As an important quality index of fresh pomegranate, kernel hardness directly affects the sensory quality of the fruit and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01G31/00A01G2/10A01G17/00
CPCA01H1/02A01G31/00A01G2/10A01G17/005
Inventor 秦改花黎积誉刘春燕贾波涛曹榛
Owner INST OF GARDENING ANHUI ACADEMY OF AGRI SCI
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