所谓花粉直感（或胚乳直感）是指在胚乳的性状上由于精核的影响而直接表现出父本某些性状的现象。自交系黄早四的子粒是黄白色，用它作父本，用子粒为纯黄色的自交系作母本配制的杂交种的子粒为黄白色。如掖单２号（１０７×黄早四）、掖单４号（８１１２×黄早四）和郑单... The so-called pollen sense (or endosperm intuition) refers to the endosperm traits due to the influence of the sperm nuclear directly show some of the traits of the phenomenon. Inbred lines Huangzao four grain is yellow-white, use it as a parent, with grain as pure yellow inbred line as the mother of the hybrid seed is yellow-white. Such as Yeda 2 (107 × yellow as early as four), Yedan 4 (8112 × yellow as early as four) and Zheng Dan ...