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Novel cultivating method of hybrid seeds of sweet pumpkin

The technology of a hybrid seed and cultivation method is applied in the cultivation field of hybrid seeds of new sweet ben pumpkin, which can solve the problems of low quality, high yield and insufficient disease resistance, etc., and achieve strong adaptability, good heat resistance and cold resistance strong effect

Active Publication Date: 2013-12-25
万农高科集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the existing pumpkin varieties in the past, the high yield and disease resistance are not strong enough, and the quality is not high, and there are various shortcomings such as late maturity and sensitivity to sunlight. The planting area or time has great limitations, and the long-term variety is single. It is also not conducive to the long-term development of the pumpkin industry. Therefore, through the breeding of new varieties, a new pumpkin variety that is early-maturing, high-yield, high-quality, disease-resistant, and adaptable is bred to meet market demand, which is conducive to the development of vegetable production and market supply. It is of great significance to increase social and economic benefits and promote the development of pumpkin industrialization in my country

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Breeding of the male parent: Bagging and self-crossing the long-melon-shaped pumpkin materials, and planting the offspring in 18 lines, directional selection of individual plant materials with straighter melons and larger stems. An excellent inbred line 04-9 with consistent shape.

[0020] Breeding of the female parent: hybridize the high-quality conventional pumpkin species Xiaoxiangmi and the early-maturing pumpkin materials, and then bag and self-segregate, and select high-quality, early-maturing, long-elliptical melon-shaped excellent individual plants from the offspring materials for multiple generations, until At the eighth generation, the main agronomic traits have been stabilized; select an excellent single plant from the stable line as the female parent 05-1, and cross it with the inbred line 04-9; the next generation uses the female parent 05-1 Backcrossing, the progeny were bagged and self-segregated continuously, and the individual plant materials with early...

Embodiment 2

[0024] Specifically, the land preparation is to select a plot with convenient irrigation and drainage and flat terrain for multiplication and farming, and every 667m 2 Apply 1000 kg of agricultural fertilizer, 25 kg of nitrophosphate fertilizer, and 5 kg of potassium dihydrogen phosphate; deep plowing, raking, and making trenches at a row spacing of 3 m, planting the pumpkin hybrid seeds prepared in Example 1, after planting, watering and cultivating according to conventional pumpkin cultivation methods. 105 days from sowing to first harvest in spring, 92 days in autumn, 120 days in spring and 105 days in autumn for the whole growth period. The obtained pumpkin has good storage resistance, and the melon with good maturity and no damage can be stored in a cool place at room temperature for more than 50 days after being harvested.

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Abstract

The invention relates to the field of biotechnology breeding, and particularly to a novel cultivating method of hybrid seeds of sweet pumpkin. The novel cultivating method specifically comprises the steps of: interbreeding a selfing line 04-9 as a male parent and a selfing line 06-1 as a female parent for hybridizing, and collecting the hybrid seeds of the sweet pumpkin. The pumpkin variety obtained by adopting the method has the advantages of high yield, high maturing speed, strong cold resistance, good heat resistance, strong adaptability, good storage resistance of the obtained pumpkin, and the like in comparison with a common pumpkin variety.

Description

technical field [0001] The invention relates to the field of biotechnology breeding, in particular to a method for cultivating hybrid seeds of new sweet ben pumpkins. Background technique [0002] Pumpkin is an annual dicotyledonous herbaceous plant, native to southern Asia and cultivated all over the world. It is a plant of Cucurbitaceae Cucurbitaceae. It can climb vines and the edible part is 85%. It contains 92kJ of energy and 93.5g of water per 100g. Protein 0.7g, dietary fiber 0.8g, carotene 890μg, vitamin C 4mg, potassium 763mg, calcium 191mg, magnesium 47mg, selenium 0.3μg, vitamin A, vitamin B1, B2, F, etc. [0003] The pumpkin is thick and orange-yellow, with a special aroma when ripe, sweet and noodle. The seeds are flat, the seed coat is off-white or tea-brown, and the edges are obviously rough. The tender melon can be used as a vegetable. It is one of the main fruits and vegetables in summer and autumn in the south of the Yangtze River Basin. It is not only a d...

Claims

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Application Information

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IPC IPC(8): A01H1/02
Inventor 汪国其
Owner 万农高科集团有限公司
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