1.育苗①催芽,父母本种子按1:10温汤浸种2～3小时,捞出后搓干放在湿毛巾中在32℃的条件下催芽。待芽催出后摆在备好的阳畦中育苗。先育父本,后育母本。父母本错期7～10天。②苗床管理,苗子出土后及时通风,早上10点后打开通风洞,晚上封闭。逐日加大通风量。苗床干燥时用喷雾器喷洒苗床并用多菌灵或硫铵合剂喷布防治苗 1. Nursery ① germination, the parents of the seed soaking 1: 1: Wen Tang 2 to 3 hours, remove and rub dry on a wet towel at 32 ℃ under the conditions of germination. After the buds were reminded to put in the prepared Yangzhu nursery. Parents first, after childbirth mother. The parents of the wrong period of 7 to 10 days. ② seedbed management, promptly ventilated after the emergence of seedlings, open the ventilation hole after 10 am, closed at night. Increased daily ventilation. When the seedbed is dry, the seedbed is sprayed with a sprayer and the seedlings are sprayed with carbendazim or ammonium sulfate