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Breeding method of wavy Brassica oleracea var. acephala f. tricolor Hort.

A technology of kale and wave, which is applied in the breeding field of wavy leaf ornamental kale, can solve the problems of long-term continuous self-breeding viability decline, difficulty in hybridization rate, high reproduction cost, etc., to achieve short cycle, simple breeding method, and ornamental quality Good results

Inactive Publication Date: 2013-12-25
ZHENJIANG SUIHAN AGRI
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Problems solved by technology

Self-incompatibility hybrids have high cost of pollination and reproduction at the artificial bud stage, long-term continuous self-breeding viability declines, and the hybridization rate is difficult to reach 100% due to environmental constraints.
There is no report on the use of male sterility to prepare new hybrid varieties of kale

Method used

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  • Breeding method of wavy Brassica oleracea var. acephala f. tricolor Hort.
  • Breeding method of wavy Brassica oleracea var. acephala f. tricolor Hort.
  • Breeding method of wavy Brassica oleracea var. acephala f. tricolor Hort.

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Embodiment 1

[0035] Materials: broccoli cytoplasmic male sterile material CMS034 (also known as broccoli "excellent", produced by Japan SAKATA (Sakata) company, can be purchased from Hong Kong Gaohua Seed Co., Ltd.); red wrinkled kale inbred line (Ruiyu 6) and the inbred line of kale (Y305) (also known as Ruiyu 27) were purchased from Zhenjiang Ruifan Agronomy Co., Ltd.

[0036] The breeding process of this embodiment is shown in figure 1 , specifically according to the following steps of breeding.

[0037] 1. In the breeding year, in the middle and late April, the broccoli cytoplasmic male sterile material CMS034 was used as the female parent, and the inbred line of red wrinkled kale (Ruiyu No. 6) was used as the male parent to perform crossbreeding to obtain inter-variety hybrids .

[0038] 2. In the autumn of that year (end of August and beginning of September), sow hybrids (referring to the inter-variety hybrids obtained in the previous step), and through field observation, select an...

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Abstract

The invention discloses a breeding method of wavy Brassica oleracea var. acephala f. tricolor Hort., which comprises the following steps: hybridizing by using asparagus broccoli cytoplast male sterile material CMS034 as a female parent and red curly kale inbred line Ruiyu 6 as a male parent; backcrossing with the original male parent by selecting the individual plant, which has characters closest to the parental characters, from filial generation as the female parent; repeating the second step, and continuously backcrossing to obtain a red curly kale male sterile line; and hybridizing to obtain the wavy Brassica oleracea var. acephala f. tricolor Hort. hybrid by using the red curly kale male sterile line as the female parent and amaranth broad-leaf Brassica oleracea var. acephala f. tricolor Hort inbred line Y305 as the male parent. The new hybrid species obtained by the method disclosed by the invention has the advantages of high ornamental value, long ornamental period, cold resistance and disease resistance.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a breeding method for ornamental kale with wavy leaves. technical background [0002] Ornamental kale (Brassica oleracea var.acephala f.tricolor H or t.) is a variety of Brassica oleracea species in the genus Brassica, native to the European Mediterranean to the North Sea coast, biennial herb, mainly for foliage, its leaves The shape is beautiful and changeable, the heart and leaves are colorful like flowers, and the cold resistance is strong. It is the first choice for viewing in late autumn, winter and early spring, and has high ornamental value and economic benefits. [0003] Kale is a typical cross-pollination crop with obvious heterosis. The utilization of heterosis is one of the fast and effective ways to breed new varieties of kale. [0004] Most of the cabbage varieties currently on the market are hybrids prepared from self-incompatible lines, espec...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
Inventor 姚悦梅潘跃平戴忠良毛忠良吴国平张振超秦文斌肖燕刘小风潘永飞王建华孙春青
Owner ZHENJIANG SUIHAN AGRI
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