Zucchini breed hybrid seed production method

A technology for hybrid seed production and zucchini, applied in fertilization methods, botanical equipment and methods, plant genetic improvement, etc., can solve problems such as improper parental ratio, poor plumpness, and failure to meet flowering, to achieve good plumpness and slow down plant growth. Effects of aging and prolonged growth period

Inactive Publication Date: 2015-01-28
COTTON RES INST SHANXI ACAD OF AGRI SCI
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  • Abstract
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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for hybrid seed production of zucchini varieties, aiming to solve the problems of inappropriate parental ratio, poor flowering period, low yield and poor plumpness in existing seed production methods

Method used

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] The technical scheme adopted in the present invention is to determine the planting ratio, sowing date, density, sowing method, artificial pollination method, post-pollination management, seed harvesting, etc. of the planting field, the parents, and the method comprises the following steps:

[0034] Step 1. Determine the farming and land preparation

[0035] Choose sandy soil with convenient drainage and irrigation, flat terrain, strong water permeability, no or little saline-alkali, and the isolation distance between different varieties must be more than 2000m.

[0036] 667m 2 Apply 2,000-3,000 kg of high-quality d...

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Abstract

The invention provides a zucchini breed hybrid seed production method. In the zucchini breed hybrid seed production method, through all-around improvement in various stages, namely preparing a seed farm and soil, determining a ratio of male parents to female parents, the sowing time and the sowing method, manually pollinating, managing after pollination and harvesting, the occupied area of the male parents is effectively reduced, the number of the male parents is increased (in an ordinary breeding method, the ratio of the male parents to the female parents is 1: 4 and the male parents occupy a larger area), the growth period is prolonged, the aging of plants is slowed, and a seed production yield of a zucchini breed is improved, up to 70-80kg per about 1/6 acre; produced hybrid seeds are good in plumpness and shiny in seed skin and have the seed purity of over 99%. Therefore, the zucchini breed hybrid seed production method is suitable for large-scale popularization.

Description

technical field [0001] The invention belongs to the technical field of hybrid seed production, and in particular relates to a method for hybrid seed production of zucchini varieties. Background technique [0002] Zucchini (Latin scientific name: Cucurbita pepo L.), also known as American pumpkin, belongs to Cucurbitaceae Cucurbita and is one of the main melon vegetables consumed by our people. The hybrid advantage of zucchini is obvious, and the yield, resistance, and commerciality of the hybrid first-generation varieties have been significantly improved. All the varieties used in production are hybrid first-generation seeds, which have strong adaptability and large planting area, so the amount of seeds used is also large. , and its hybrid seed production method is directly related to the yield and quality of the hybrid. Different varieties have different characteristics due to their different parents, and the methods for obtaining high yield are also different. At present,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01H1/02
CPCA01H1/02A01C21/00A01G2/00A01G13/00
Inventor 雷逢进裴贞刘庆华韩丽丽聂园军刘秀丽王晓民沈红星马理军
Owner COTTON RES INST SHANXI ACAD OF AGRI SCI
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