84 Selection of the Offspring 杂种后代的选育 1. Cultivation of the offspring Assurance of the offspring for normal growth Uniformity of cultivation and management Appropriate conditions for identification of special characters (i. e. disease/stress resistance)
§4 Selection of the Offspring 杂种后代的选育 1. Cultivation of the offspring ▪ Assurance of the offspring for normal growth ▪ Uniformity of cultivation and management ▪ Appropriate conditions for identification of special characters (i.e. disease/stress resistance)
2. Selection of the offspring(Methods) (1)Pedigree Selection A. Outline of the procedure FI generation Selection of combinations 2)F2 generation Large segregation, the key selection generation, large population, Individual selection, sufficient selected plants 3)F3 generation Plant rows, individual selection based on performance of plant families 4)F4 and later generations growing of groups of olant families. selection for uniform stable families identified in line plots(sequentially planted with CK plots inserted)
2. Selection of the offspring (Methods) (1) Pedigree Selection A. Outline of the Procedure 1) F1 generation Selection of combinations 2) F2 generation Large segregation, the key selection generation, large population, Individual selection, sufficient selected plants 3) F3 generation Plant rows, individual selection based on performance of plant families 4) F4 and later generations growing of groups of plant families, selection for uniform, stable families, identified in line plots (sequentially planted with CK plots inserted)