Breeding method of excellent super sweet corn inbreeding line

A technology of super sweet corn and inbred lines, which is applied in the fields of botanical equipment and methods, plant genetic improvement, application, etc., can solve the problems that super sweet corn varieties cannot meet market demand, lack of resources, and lack of super sweet corn breeding resources, etc. , to meet the market demand, wide adaptability, good stress resistance

Inactive Publication Date: 2016-09-28
NANJING INST OF VEGETABLE SCI
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Problems solved by technology

[0003] The breeding of inbred lines is an important link in the cultivation of new agricultural varieties, and super-sweet corn is no exception. Lack of resources, especially resources with good quality, good resistance and outstanding yield, the super sweet corn varieties bred by the existing breeding methods are difficult to meet the market demand

Method used

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  • Breeding method of excellent super sweet corn inbreeding line

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Embodiment

[0044] A breeding method for an excellent super-sweet corn inbred line, including the selection process of "403-11A" and the selection process of "403-11B".

[0045] The breeding process of the "403-11A" is as follows:

[0046] In April 2007, the super-sweet corn variety "Huazhen" that will be introduced will be pollinated naturally after planting. Take 500 harvested seeds and use the grain traits measurement software-SmartGrain to measure the parameters of the grain width. Select the grain width of more than 1cm. 20 grains, as the selected grains, planted in the spring of 2008 (namely Huazhen F 2 grain width). In the spring of 2008, with the self-selected line "403-11" as the female parent, Huazhen F 2 The width of the grain shape is the hybridization of the male parent. In the autumn of 2008, the harvested seeds were planted and then backcrossed with "403-11". In the winter of 2008, excellent single plants were selected in Hainan and then ear selection and grain selection ...

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Abstract

The invention discloses a breeding method of an excellent super sweet corn inbreeding line, and belongs to the technical field of agriculture new variety breeding. The breeding method is characterized in that a subtropical variety resource which is good in stress resistance, wide in applicability and good in quality is selected to carry out hybridization and backcross improvement with inbreeding super sweet corn, and strict selection is carried out on width, resistance, quality and the like of grains; excellent genetic genes sourcing from different source resources are gathered together, and richer sweet corn gene resources are provided for breeding. A super sweet corn inbreeding line 403-11A bred through the invention is semi compact in plant type, moderate in ear position, more tolerant in close planting and strong in heat resisting ability and cold resisting ability; higher general combining ability and specific combining ability effects are obtained, a prepared hybrid variety is high in yield, good in high temperature resistance and low temperature resistance, strong in rain resistance and wide in applicability, and a high-yield and stable-yield variety can be easily bred; the grains are relatively outstanding in quality, appearance properties, seed yield and the like, and the super sweet corn inbreeding line is good in comprehensive properties.

Description

technical field [0001] The invention belongs to the technical field of breeding of new agricultural varieties, and more specifically relates to a breeding method of an excellent super-sweet corn inbred line. Background technique [0002] Super sweet corn is a main type of fresh corn. With the change of people's consumption concept and the change of market demand, new proposals are put forward for the appearance, commodity, storage and transportation ability and excellent taste quality of super sweet corn. Second, due to the short growth period of fresh super sweet corn, relatively simple cultivation, and significant economic benefits, its cultivation area is continuously expanding; third, in recent years, climate change and severe weather have occurred from time to time. Resilience puts forward higher requirements. For this reason, the demand for super-sweet corn varieties with high quality, high yield, good stress resistance and wide adaptability is becoming increasingly s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 戴惠学胡俏强陈舜权刘玉金吉善良潘玖琴姜平
Owner NANJING INST OF VEGETABLE SCI
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