中杂９号是用引自荷兰适于保护地栽培的一代杂种，经分离和多代选择，选出抗叶霉病及ＴＭＶ的自交系８９２－４３为母本；用通过人工杂交选育出的果大、质优、丰产的自交系８９２－５４作父本配制选育而成的番茄一代杂种。表现中早熟、抗病毒病和叶霉病、丰产，一般每６６６．７ｍ２产量达７０００ｋｇ以上，早期产量占５０％左右，果大、优质、商品性好，适应性广，适于保护地及露地栽培。 Zhongza No.9 was selected from the inbred line 892-43 that is resistant to leaf mold and TMV by using the hybrids from Holland suitable for protective cultivation as the female parent. Out of a large fruit, high quality, high yield inbred lines 892-54 parental selection and breeding of tomato generation hybrids. The performance of early maturity, anti-virus disease and leaf mold, high yield, the general yield of more than 7000kg per 666.7m2, early production accounted for about 50%, large fruit, good quality, good adaptability, suitable for protection and open field Cultivation.