A secondary pedigree selection method for winter melon peel black and fruit size
A fruit and peel technology, applied in the field of selection and breeding, can solve problems such as large planting, and achieve the effect of reducing the number of plants and saving the cost of field planting and selection.
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[0028] Sexual hybridization was carried out with Guangdong black-skinned wax gourd (fruit 19.98kg) and Ningming zucchini (fruit 2.53kg) to breed varieties. The breeding program was completed from July 2007 to July 2015.
[0029] Breeding principle: According to genetic principles during the breeding process, the fruit size of the F2 population of large black-skinned wax gourd and small zucchini is normally distributed. Normally distributed as figure 1 shown. according to figure 1 As shown, the probability of a single plant with a fruit size of about 2 kg in the F2 population is very low, but the probability of a single plant with a fruit size of about 5 kg in the F2 population is high, and the population size of hundreds of plants is sufficient for breeding. according to figure 2 Schematic diagram of the flow chart of the secondary pedigree selection method for winter melon peel black and fruit size, for selection.
[0030] Such as image 3 As shown, it is a flow chart ...
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