Three-way cross hybrid breeding method of cucumber root stock
A technology of three-cross and rootstock, which is applied in the field of crop breeding, can solve the problems of irregular seedling emergence, dead trees, poor disease resistance, etc., and achieve the effects of good grafting affinity, neat seedling emergence, and high yield
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[0021] A three-cross breeding method for cucumber stock, the steps comprising:
[0022] 1. Breeding of original parent species: Parent A is an inbred line with stable genetic performance and stable genetic traits by screening a cucumber rootstock hybrid by selfing, selecting a low-temperature-resistant, strong-growing fine individual plant for fixed single-line propagation; B is an inbred line in which a cucumber rootstock F1 generation hybrid is self-purified and screened, and a single plant with full grains and strong seedlings is selected for fixed single-line propagation; parent C is a cucumber rootstock F1 generation hybrid After self-purification and screening, select a single plant with medium growth and good grafting affinity for fixed single-line propagation, and an inbred line with stable genetic characteristics;
[0023] 2. Single-cross: the parent A is the female parent, and the parent B is the male parent to prepare a single-cross;
[0024] Three, three-cross spe...
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