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Method for rapidly restoring lily distant hybrid fertility

A distant hybrid, rapid recovery technology, applied in horticultural methods, botanical equipment and methods, plant genetic improvement, etc., can solve the problems of complicated procedures for importing bulbs, pests and diseases, and poor quality.

Active Publication Date: 2017-07-25
ZHUZHOU INST OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the long-term and large amount of foreign imports costing hundreds of millions of dollars in foreign exchange every year, not only the cost of bulbs is high, but some varieties are also of poor quality due to the difficulty in introducing seed sources, and the species are degraded, which cannot meet the requirements for export to participate in market competition.
In addition, the procedures for importing bulbs are complicated, and it is necessary to purchase seeds and make an appointment one year in advance, resulting in blind purchase of seeds, planting for multiple generations without changing species, severe degradation of bulbs, resulting in disordered varieties, reduced quality, and serious pests and diseases, which seriously restricts my country's lily industry. normal development of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1) Cultivation of distant lily: choose a healthy and free species of distant lily with a bulb circumference greater than 12 cm, and carry out lily cultivation and management according to conventional methods;

[0016] 2) Treatment of lily buds: Select bulbs of distant lilies that can bloom, and cultivate them by conventional methods. When the buds appear, use cotton balls dipped in 4-10μM concentration of amisulfame solution to cover the buds on the tip of the stem, and use 4-10μM The flower buds of the distant hybrid lily were treated with amisulfameline for 2-3 days, and then washed with water for 5 times.

[0017] 3) Fertility recovery identification: The sign of fertility recovery of distant hybrids of lilies is that their pollen is fertile, and untreated pollen is sterile, and pollen germination cannot be seen under a microscope. The fertile pollen grains obtained from the treatment are gigantic, and the pollen can be seen to germinate and form pollen tubes under a...

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Abstract

The invention discloses a method for rapidly restoring lily distant hybrid fertility. The method includes the steps that a flower bud, capable of blooming, of a distant lily seedball stem tip is covered with a dinitramine solution; the flower bud of a distant hybrid lily is treated with the dinitramine solution, and then the flower bud is washed with water. By means of the method, fertile distant lily germplasm can be obtained.

Description

technical field [0001] The invention relates to the technical field of restoring the fertility of distant hybrids of lilies, in particular to a method for quickly restoring the fertility of distant hybrids of lilies. Background technique [0002] Lily (Lilium) is the general term for all species of the genus Lilium. Its flowers are large, colorful, and unique in shape. It is one of the world's famous flowers and a high-end precious flower that is well-known in the global market. It is widely used in gardens, potted flowers, especially fresh cut flowers, and is deeply loved by people. Westerners have always regarded it as a symbol of holiness. China has had the custom of using lilies to represent purity and joy since ancient times. In China, lilies are high-end cut flowers, and their sales prices are significantly higher than other cut flower varieties, especially Oriental lily (O) and OT type lily, which are more popular with consumers because of their strong fragrance, and...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06A01H1/02A01H4/00
CPCA01G7/06A01G22/00A01H1/02A01H4/008
Inventor 郑思乡谭益民汤建新龚建华林庆丹张邦跃陈莎宋志伟龙彬廖晓珊邓雅文
Owner ZHUZHOU INST OF AGRI SCI