Method for improving hybrid seed production efficiency and increasing yield of hot pepper

A technology for hybrid seed production and capsicum, which is applied in the direction of botany equipment and methods, applications, plant gene improvement, etc., can solve the problems of low efficiency, unstable yield, and low purity of capsicum hybrid seed production, so as to improve the seed setting rate, The effect of improving seed production efficiency and increasing yield

Inactive Publication Date: 2019-01-04
JIANGSU COASTAL AREA AGRI SCI RES INST
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for improving the efficiency and yield of capsicum hybrid seed production in view of the technical defects of low efficiency, unstable yield and low purity of capsicum hybrid seed production in the prior art

Method used

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Embodiment 1

[0029] Pepper variety: Yanjiao No. 1

[0030] A method for improving efficiency and yield of capsicum hybrid seed production, comprising the following steps:

[0031] (1) Adjust the sowing date: Seeds were produced in early spring facilities in Yancheng, Jiangsu Province, and sowed on December 20. The male parent was sown 7 days earlier than the female parent, and the electric heating wire warmed the bed to raise the seedlings;

[0032] (2) Reasonable dense planting: On March 15th of the second year, the facilities were planted in the greenhouse, the planting ratio of the father and mother was 1:4, and the nylon mesh was covered with two arches in the facility greenhouse, and the parents were planted on the nylon mesh respectively. In the gauze, the gauze is sealed around the gauze to isolate foreign pollen, and the seeds are isolated and multiplied. The purity of the parent parent is measured to reach 99.9%. The cultivation density of the male and female parents is determined...

Embodiment 2

[0041] Pepper variety: Yanjiao No. 2

[0042] A method for improving efficiency and yield of capsicum hybrid seed production, comprising the following steps:

[0043] (1) Adjust the sowing date: Seeds were produced in early spring facilities in Yancheng, Jiangsu Province, and sowed on December 20. The male parent was sown 10 days earlier than the female parent, and the electric heating wire warmed the bed to raise the seedlings;

[0044] (2) Reasonable dense planting: On March 10th of the second year, the facilities were planted in the greenhouse, and the planting ratio of the father and mother was 1:4. Two arches were used to cover the nylon mesh in the facility greenhouse, and the parents were planted on the nylon mesh respectively. In the gauze, the gauze is sealed around the gauze to isolate foreign pollen, and the seeds are isolated and multiplied. The purity of the parent parent is measured to reach 99.9%. The cultivation density of the male and female parents is determi...

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Abstract

The invention provides a method for improving the hybrid seed production efficiency and increasing the yield of hot pepper. The method comprises the following steps: adjusting the sowing time, reasonably performing dense planting in a facility, adjusting plants, collecting pollen, emasculating and pollinating, performing plant management after pollination, harvesting seeds and the like. Through covering with nylon gauze in the facility for isolated breeding, the purities of parents are guaranteed to meet original seed requirements; through adjustment of the sowing time, the most suitable climatic condition is provided for flower synchronization of the male and female parents and the pollination; through reasonable dense planting in the facility, a suitable microclimate environment can be created for hot pepper seed production, and the planting density and the planting ratio of the male and female parents are determined according to the parental plant height and pollen collecting requirements; through improvement on a method for collecting pollen of the male parents, the pollen amount and the pollen quality are guaranteed; emasculation, pollination and labeling are completed in onetime, so that repeated pollination is not needed, the labor is reduced, and the seed production efficiency is improved; through plant management after the pollination, the seed setting rate is also improved; the problems that in the prior art, the efficiency is low, the yield is not high and the purity is unstable in the hybrid seed production process of the hot pepper are solved.

Description

technical field [0001] The invention provides a high-efficiency and high-yield capsicum hybrid seed production method, which belongs to the technical field of plant cultivation and breeding. Background technique [0002] Capsicum (Capsicum.annum L.) originates in Central and South America, belongs to Solanaceae Capsicum, is an important vegetable and condiment, and is also one of the vegetables with the largest planting area in China, with an annual planting area of ​​1,300,000hm 2 Above, second only to Chinese cabbage, occupying the second place, is the vegetable crop with the largest output value in China, and plays an important role in ensuring the annual supply of vegetables in China (Zou School. "Pepper Genetics and Breeding". Beijing: Science Press, 2009). [0003] Capsicum is a bisexual flower, and hermaphrodite. The heterosis of pepper is obvious, and the hybrid varieties have been widely used in production. Since the 1980s, my country has started the breeding of p...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01G22/05
CPCA01H1/02A01G22/05
Inventor 郑佳秋郭军吴永成梅燚王薇薇祖艳侠刘云芬
Owner JIANGSU COASTAL AREA AGRI SCI RES INST
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