一、组合来源及主要特性D汕优66是福建省尤溪县管前乡农技站,用D汕A与明恢66配制的高产、抗病、优质、中熟偏早杂优新组合。D汕A是原产“圭亚拉“的高杆良种DissiD52/37与矮脚南特号杂交,其F_7代的“909”品系中分离出来的高不育株,又与“意大利B”杂交,经四川农业大学在回交6代,再由“珍汕97选”杂交转育而成的不育系。 First, the combination of sources and main features of D Shanyou 66 is Youxi County, Fujian Province Guanqianxiang Agricultural Technology Station, with D Shantao A and Minghui 66 formulated high yield, disease resistance, high quality, mid-cooked partial early hybrid new combination. D Shantou A is a high-yielding “Guyana” elite hybrid breed DissiD52 / 37 and dwarf Nanantong hybrids, its F_7 generation of “909” strains isolated from the high sterile line, but also with the “Italian B” hybrid , The Sichuan Agricultural University back in 6 generations, and then by “Zhenshan 97 election” cross-breeding of male sterile lines.