Maize (Zea mays L.),as the country's largest food crops, its yield changes willdirectly affect the development of China's agricultural economy. As we all know, inmaize transgenic breeding, its receptor system’s setting plays a key role. Practice hasproved that obtained embryogenic callus of maize immature has a strong long-termsubculture capacity and ability to regenerate, and thus become the ideal receptormaterial., But,Research found that maize is one of the most difficult crops of in vitroembryogenesis. ...