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Hybrid tomote seeds, and its parent plants breeding and seeds prodn. method

A technology of hybrids and parents, applied in the direction of botany equipment and methods, applications, plant genetic improvement, etc., can solve the problems of poor low temperature resistance and low fruit setting rate of tomatoes, and achieve strong low temperature resistance, good taste and flavor, and fruit fast swelling effect

Inactive Publication Date: 2006-04-12
TIANJIN CITY AGRI BIO TECH RES CENT
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Problems solved by technology

Although the yield and disease resistance of these new varieties have been greatly improved, their low temperature tolerance is generally poor. Therefore, the problem of low fruit setting rate of tomatoes in protected areas in early spring is very prominent in northern and northeastern China.

Method used

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  • Hybrid tomote seeds, and its parent plants breeding and seeds prodn. method

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Embodiment Construction

[0019] See Figure 1 and Figure 2. Using the hybrids obtained from the hybridization of the American landrace Canary Export and my country's Baoda 903 as the basic material, self-crossing was carried out for 5 consecutive generations, and the low-temperature tolerance was identified at the same time; Inbred line T4-3135-1 with good low temperature, good disease resistance, large fruit and good yield; based on the hybrids obtained by crossing the Chinese Maofen 802 and the American hybrid Fourth of July Hybrid, self-crossed for 5 consecutive generations, At the same time, the low temperature resistance was identified; after the fifth generation of inbreds was stable, the combining ability was measured, and the inbred line MF-3063-6 with good yield, large fruit and good disease resistance was bred; the inbred line T4-3135-1 was selected It is the female parent, and the inbred line MF-3063-6 is the male parent. Under the conditions of the row ratio of the male parent to the female pa...

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Abstract

A method for culturing a hybrid tomato Jinza 202 includes such steps as hybridizing between American Canary Export and Chinese Baoda 903, continuous selfing for 5 generations while discriminating the low-temp resistance, testing the affinity to obtain a selfing line T4-3135-1, hybridizing between Chinese Maofen 802 and American Fourth of July hybrid, continuous selfing for 5 generations while discriminating the low-temp resistance, testing the affinity to obtain a selfing line MF-3063-6, and hybridizing between said T4-3135-1 and MF-3063-6.

Description

Technical field: [0001] The invention relates to a method for producing tomato seeds, in particular to a method for breeding and producing tomato hybrid Jinza 202 and its parents T4-3135-1 and MF-3063-6. Background technique: [0002] Tomato is one of the important bulk vegetable crops in my country. Recent research results show that lycopene in tomato fruit has special physiological functions, and increasing the intake of lycopene can effectively reduce the incidence of various chronic diseases and cancer The concentration of lycopene in human serum is negatively correlated with the incidence of gastrointestinal cancer, prostate cancer, pancreatic cancer, cervical cancer, etc. Therefore, since 1995, the global consumption of tomatoes and their processed products has remained stable growing trend. [0003] Tomatoes are native to South America and love high temperatures. After years of improvement after being introduced to my country, the high yield and disease resistance have...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
Inventor 刘仲齐张要武薛俊金凤媚刘红庆郏艳红
Owner TIANJIN CITY AGRI BIO TECH RES CENT
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