“汕优22”系四川省农科院作物所1988年用“珍汕97A”与自选新恢复系“CDR22”(IR50×明恢63多代选择)组配而成,于1992年通过省区试。在四川省种子公司召开的调系改组会上,被定为接班组合之一。1993年4月通过省农作物品种审定委员会审定。一、产量表现:1991—1992年参加省区试,平均亩产533.9公斤,比汕优63低0.24％.产量持平。1992年参加全国南方稻区区试,在22个试点中平均亩产581.1公斤,比汕优63低0.5％。1991年在新都试种30亩,亩产610公斤,比汕优63增产8.92％。1992年在什邡种植830亩,亩产600公斤,比汕优63增产5.6％。在云南省丽江 “Shanyou 22” Department of Crop Sciences, Sichuan Academy of Agricultural Sciences in 1988 with “Zhenshan 97A” and the optional new restorer “CDR22” (IR50 × Ming Hui more than 63 generations to choose from) assembled in 1992 through the provinces test. In Sichuan province seed company reconciliation of reconciliation system, was set as one of the succession. April 1993 through the Provincial Crop Variety Approval Committee validation. First, the production performance: 1991-1992 to participate in the provincial test, the average yield of 533.9 kilograms, 0.24% lower than Shanyou 63. Production was flat. In 1992, he took part in the rice testing in the southern part of China. The average yield per mu in the 22 pilot projects was 581.1 kg, 0.5% lower than that of Shanyou 63. In 1991, 30 mu of cultivated land was planted in Xindu, yielding 610 kilograms per mu and an increase of 8.92% over that of Shanyou 63. In 1992, 830 acres were planted in Shifang, 600 kg per mu, 5.6% more than Shanyou 63. Lijiang in Yunnan Province