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中杂2号的组和是毫干达歪一黄金A/300号。毫干达歪水稻是云南省西双版纳州栽培的籼糯品种。1975年,从云南省农科院引进,并以此作母本,用粳稻品种黄金作父本连续回交育成了毫干达歪——黄金细胞质雄性不育系,现已达B_(12)F_1。这个不育系在国内适应性广,育性稳定,既容易找到恢复系也容易找到保持系,开花习性较好。1979—1982年该组合在全国8个省市15个点次区试亩产1,014.4—1,241.0斤。1982—1983年在郑州和山东省莒县生产鉴定171亩,平均单产923—1,130斤,比黎优57增产11.2—12.6％。中杂2号经济性状较好,株高95—113厘米,穗长20厘米,每穗总粒数130—160粒,实粒数110—130粒,
In the miscellaneous 2 group and is a dry up to a crooked golden A / 300. Mogan up to crooked rice is cultivated in Xishuangbanna Prefecture of Yunnan Province indica waxy varieties. In 1975, from Yunnan Academy of Agricultural Sciences, and as a female parent, with japonica rice as the male parent of the continuous backcrossed into a milligram up to crooked - gold cytoplasmic male sterile lines, has now reached B_ (12) F_1. This sterile line in the domestic wide adaptability, fertility and stability, it is easy to find the restore system is also easy to find the maintainer, flowering habits better. In 1979-1982, the group tested 1,014.4-1,241.0 kg per mu in 15 sub-districts in 8 provinces and cities nationwide. In 1982-1983, 171 mu was appraised in Zhengzhou and Shandong Province, with an average yield of 923-1,130 catties, 11.2-12.6% more yield than that of Liyou 57. Zhong miscellaneous good economic traits on the 2nd, 95-113 cm tall, spike length of 20 cm, the total number of grains per panicle 130-160, the actual number of grains 110-130,