“辽杂4号”是由辽宁省农科院高粱研究所研究员卢庆善等科技人员,利用地理远缘的外引不育系“421A”与自选的恢复系“矮4”相组配,历经7年精心选育成功的具有国内先进水平的高产、优质、多抗高粱杂交种。先后11次获得省、市“丰收杯奖”和“高产创记录奖”,在1993年又荣获省政府“科技进步奖”,并被收录在亚洲高粱研究协商会议资料和国际高粱研 Liaoza No.4 is a combination of scientific research personnel such as researcher Lu Qing-shan from Sorghum Institute of Liaoning Academy of Agricultural Sciences and the combination of “421A” In the careful selection of successful domestic advanced level of high yield, high quality, multi-resistant sorghum hybrids. Won 11 provincial and municipal “Harvest Cup Award” and “record high yield record”, in 1993 won the provincial government, “Science and Technology Progress Award”, and was included in the Asian Sorghum Research Consultation Conference and International Sorghum Research