杂交水稻育成以后,不少单位和个人提 出:利用花药培养以及经典的杂交育种等方 法能否将优势稳定下来,杂交种子多代利用 价值究竟有多大等问题。这些实质上与水稻 杂种优势的遗传有密切的关系。 关于水稻杂种优势的遗传,日本冈田正 宽、奈良芳次郎用籼粳杂种在田间作过小区 产量 After hybrid paddy breeding, many units and individuals put forward: the use of anther culture and classical hybrid breeding and other methods can stabilize the advantages of how many generations of hybrid seed how much use value and other issues. These are in fact closely related to the heredity of rice heterosis. On the heredity of rice heterosis, Okada Japan is wide, Nara Fong Jiro with indica and japonica hybrids in the field made plots