Field trial design method for seed selection nursery stage of sugarcane crossbreeding
A technology of hybrid breeding and field experiment, applied in the direction of botany equipment and method, application, plant gene improvement, etc., can solve the problems of being easily affected by the environment, small population size, difficulty in selection, etc., to reduce the cost of experiment, easy to operate, The method is simple and effective
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[0019] The design method of field experiment in the selection nursery stage of sugarcane hybrid breeding is as follows:
[0020] (1) For each clone or genotype material selected in the hybrid nursery, only one stem is cut and planted in the seed nursery, and the number of each selected material is the number of the combination. For example, the number of the combination (Yuetang 73-204×CP72-1210) is 1. If the combination is selected for 80 materials, the number of each selected material is the number 1 of the combination;
[0021] (2) The row length of the field trial in the selection nursery is 1.5m, and the row spacing is 1.0-1.2m. One row is planted for each selected material, with 8-10 buds per row. The selected materials for each combination are planted sequentially, and the control varieties are arranged according to the general situation of the test site. When planting, put each stem (1 cane stem is 1 selected material) into the row, and cut the stem into 3 buds / segment wi...
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