Establishment of dominant population of northern spring wheat
A spring wheat and superior technology, applied in the field of northern spring wheat variety breeding, can solve the problems of easy occurrence of close relatives or close relatives or self-breeding, unscientific, complex and other problems, and achieve the effect of shortening the breeding time
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[0009] Step 1: Create a Test Species
[0010] 1. Select the best wheat varieties currently produced and promoted in suitable northern spring wheat producing areas.
[0011] 2. Carry out diallell crossing of the collected varieties.
[0012] 3. Conduct field identification and yield measurement.
[0013] 4. Find the combination (m, n) with the best yield.
[0014] 5. The combination of m and n is the test species.
[0015] Step Two: Grouping
[0016] 1. Use your own key backbone resources to hybridize with m and n varieties respectively.
[0017] 2. The offspring of the hybrids are subjected to field identification and yield testing, and all the yields exceeding the test species (m, n) are selected.
[0018] 3. All the materials whose offspring yield is higher than that in the test when crossed with the m variety are included in the n group.
[0019] 4. Put all the materials whose yield of the progeny of hybrids with n species is higher than that of the test species into ...
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