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A kind of method for the sexual reproduction of Echeveria succulents

A technology for succulents and sexual reproduction, applied in the fields of botanical equipment and methods, plant genetic improvement, application, etc., can solve the problems of difficult seedling formation, weak seed vigor, and small seeds, and achieves low requirements for facilities and equipment. Simple and easy effects

Inactive Publication Date: 2021-07-30
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For succulent plants of the genus Echeveria, there are only a few materials that can be self-fertilized to obtain seeds, most of which cannot produce seeds, and the seeds obtained by self-fertilization or hybridization are extremely small, it is difficult to test the seeds with the naked eye, and the seeds are weak and difficult to grow. It brings great difficulties to the sexual reproduction of Echeveria succulents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] "Red Claw" self-breeding

[0025] a. The 2-year-old red claw plant has 7 flower heads in total, and the diameter of the flower head is 6-12cm; the diameter of the flower head is less than 5cm, and the vegetative mortality rate of 1 flower branch is 46.8%, and the diameter of the flower head is 6cm. Flower head vegetative body mortality decreased by 41.0%;

[0026] b. There are flower branches on the 2 flower heads, the diameters are 6 and 12 cm respectively, and the other flower heads are cut off when they appear; 2 flower branches are left on the 6cm flower head, the vegetative mortality rate is 19.4% higher than that of the 1 flower branch, and the number of seeds per flower for pollination 37.1% reduction;

[0027] c. After the flowers bloom, use a clean cotton ball or toilet paper to gently wipe off the mucus on the stigma, disinfect your hands and tweezers with 75% alcohol, and use tweezers to remove the anthers with filaments and petals together, and several can ...

Embodiment 2

[0032] "Black Talon" and "Orion" Hybrid

[0033]a. The flower head diameter of "Black Claw" is 7cm, and the diameter of "Orion" flower head is 6cm, both of which have only one flower head;

[0034] b. Both "Black Claw" and "Orion" keep 1 flower branch;

[0035] c. Remove the open flowers from the flower branches of the male parent, disinfect hands with 75% alcohol, cover the flower branches with white parchment paper bags; select the flower buds of the female parent one day before flowering, disinfect hands and tweezers with 75% alcohol, and remove them from the filaments with tweezers All the anthers in the flower are bagged, and the next day, hands and tweezers are sterilized with 75% alcohol, detasselled flowers are unpacked, the mucus on the stigma is lightly wiped off, and the pollen bagged by the male parent is wiped on the stigma of the female parent; " and "Orion" do pros and cons, and are parents of each other;

[0036] d. Make 6 flowers for each hybridization treat...

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Abstract

The invention provides a method for sexual reproduction of succulents of the genus Echeveria, which relates to the technical field of succulent breeding; by combining the steps of selfing, hybridization, and seed germination of succulents of the genus Echeveria, the method of succulents of the genus Echeveria is successfully realized. Sexual reproduction of Echeveria succulents. The method of the invention has low requirements on facilities and equipment, is simple and easy to implement, and lays a technical foundation for the hybrid breeding of succulents of the genus Echeveria. In the embodiment of the present invention, "Red Claw" is self-crossed, with an average of 127.21 seeds per flower, and 50 seeds are sown, and 42 seedlings can be obtained; "Black Claw" and "Orion" are respectively reciprocally crossed, The average number of seeds per flower was 82.17 and 87.33, and 50 seeds were sown, and 41 orthogonal seedlings and 44 reverse cross seedlings could be obtained.

Description

technical field [0001] The invention belongs to the technical field of succulent breeding, and in particular relates to a method for sexual reproduction of succulents of the genus Echeveria. Background technique [0002] Succulents refer to a certain part of the plant's vegetative organs, such as roots, stems, and leaves (a few species have two parts), which have developed parenchyma to store water, and appear plump and succulent in appearance. . And Crassulaceae (Crassulaceae) is a family of dicotyledonous plants. It has beautiful appearance, various shapes, rich colors, and various types. It combines ornamental, landscaping and medicinal values, and is deeply loved by everyone. [0003] Pseudomonas is a large genus of succulents in the family Sedum, with about 170 species. Wild stone lotus has been found from the southern United States to the Andes in South America, but the main origin of stone lotus is Mexico. The succulent plant of the genus Echeveria is shaped like a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 岳艳玲丁丁霍春锦赵凯
Owner YUNNAN AGRICULTURAL UNIVERSITY
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