Breeding method of stress resistant green onion breed
A technology of stress resistance and scallions, which is applied in the field of selection and breeding of stress-resistant scallions, can solve the problems of poor regional adaptability and insufficient stress resistance, and achieve the effect of improving regional adaptability and strong stress resistance
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[0021] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0022] The method of the present invention is implemented according to the following steps,
[0023] Step a: Breeding of hybrid parents
[0024] a1. Breeding of male sterile lines and their maintainers: as shown in Figure 1, the male sterile lines of common cultivated scallions are used as receptors, and the cold resistance, disease resistance, small opening degree and scallion white inclusions of South Korea and Japan are used. Compact scallions were used as donors for multiple generations of backcrossing. Under the cold stress condition of natural low temperature, the backcross progeny were selected according to the breeding objectives, and continued selection for 5 generations, and the male sterile line A series and its maintainer line B were bred with cold resistance, small opening degree, light-white inclusion compact type series.
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