| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for preparing a new variety stock in which in stock cultivation, a double-flowered stock and a single-flowered stock are identified in good accuracy only by single operation before fix planting without requiring experience and skill. <P>SOLUTION: The method for preparing a new variety stock includes a step in which a stock having a feature in character of outer shape of leaf that grows after a cotyledon is selected as a pollen parent and is crossed with a stock to be a mother plant by artificial pollination to obtain a population of first filial generation, a step in which self-pollination and seed production of the individual of the first filial generation are effected to give a population of second filial generation and a population of third filial generation is obtained by selective seed production by individual from the population of the second filial generation and a step in which the population of the third filial generation is seeded by individual and a stock having a character at the pollen side expressed only in a leaf that grows after a cotyledon of a double-flowered stock is selected from the seeded population and fixed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
