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Selective breeding method for breeding piece shell families of gold pearl layers of pinctada martensi of seawater pearls

A technique for pearl oyster and nacre, applied in the field of pearl breeding

Inactive Publication Date: 2015-08-19
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Application No. 201010582106.9, the patent titled "A Method for Cultivating Pearls by Combining Pictogramma martensii Cell Pieces with Pitaria martensii", discloses the cultivation of high-quality black pearls in Pinctada martensii by using clamshell shellfish as flakes The method does not involve the selection of small shellfish, and has certain limitations in the use of small shellfish

Method used

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  • Selective breeding method for breeding piece shell families of gold pearl layers of pinctada martensi of seawater pearls
  • Selective breeding method for breeding piece shell families of gold pearl layers of pinctada martensi of seawater pearls
  • Selective breeding method for breeding piece shell families of gold pearl layers of pinctada martensi of seawater pearls

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Embodiment 1

[0070] 1. Determine breeding goals and plans

[0071] Breeding goal: A new line of Pinctada martensii, which has a fast growth rate and a golden nacre on the inner edge of the shell as the breeding target, has obvious morphological characteristics, excellent economic traits, stable genetic performance, and can be used to cultivate golden sea pearls (referred to as "Golden Lip Strain"), to provide variety matching for the production of "Golden Pearl";

[0072] Breeding plan: A new black shell line of Pinctada martensii (F6 generation, see related test reports and patent information) with pure black radial ribs on the shell surface and fast growth after 6 generations The group, starting from January 15, 2012, adopted the method of selection between families, from the basic group mixed with different nacre color types, select excellent individuals that meet the breeding goals and reserve seeds, establish several families and reproduce the offspring (F1 generation) After 55 days of cu...

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Abstract

The invention relates to a selective breeding method for breeding piece shell families of gold pearl layers of pinctada martensi of seawater pearls, and belongs to the field of selective breeding technologies for pearls. The selective breeding method includes selecting excellent individuals meeting selective breeding targets for seed reservation from base populations with different color types of pearl layers by the aid of inter-family selection and within-family selection processes; creating a plurality of families and reproducing descendents; gradually eliminating inferior families between the families; eliminating inferior individuals in the families generation by generation; selectively reserving excellent families which surpass the base populations and meet original selection indexes; judging strength and weakness of the families by the aid of breeding values and comprehensive evaluation values; selectively breeding novel piece shell strains with high growth speeds and pure-gold edges of pearl layers in shells. The selective breeding base populations are a generation F6 of black shell novel strains of the pinctada martensi, populations of six successive generations are selectively bred to obtain the generation F6 of the novel black shell strains, shell surfaces of the novel black shell strains are provided with pure black radial ribs, and the novel black shell strains are high in growth speed. The selective breeding method has the advantages that the selective breeding method is feasible in principle, simple in step and low in production cost, piece shells of the 'gold lip strains' of the pinctada martensi can be obtained, variety combinations can be provided for producing 'gold pearls', and sustainable development of seawater pearl culture industries in China can be promoted.

Description

technical field [0001] The invention relates to a breeding method for a new animal variety, in particular to a breeding method for a family of Pinnacle martensii golden nacre flakes used for cultivating seawater pearls, and belongs to the technical field of pearl breeding. Background technique [0002] Pinctada martensii, also known as P. fucada, belongs to the phylum Molluscs, Phallobranches, Pearl Oyster, and the genus Pearl Oyster. It is mainly distributed in Japan, India, Indonesia and other Pacific Southwest The sea area, with its main branches in Guangdong, Guangxi and the coast of Hainan, is one of the main mother oysters cultivated in the world's Shanghai water pearls. The pearls it produces are called "South Pearls". It is internationally recognized that the quality of South Pearls produced in China is in the It is second to none in the world. In the 1990s, the output of "Southern Pearl" jumped to the first place in the world. However, in recent years, with the dete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A01K67/02
CPCY02A40/81A01K61/54A01K67/02
Inventor 刘志刚彭张明陶后全刘锦上孙宗红
Owner GUANGDONG OCEAN UNIVERSITY
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