白粒优质玉米杂交种８８９９云南省种子公司６５００３２曹秉益玉米杂交种８８９９是河北省遵化县原种场于１９８８年用自交系１０２作母本，２０１４３作父本育成的白粒单交种。１９９１年引入我省，１９９２年参加全省杂交玉米新组合引种多点试验，９试验点平均单产４６... White grain high quality corn hybrid 8899 Yunnan seed company 650032 CAO Bing-yi Corn hybrid 8899 is Zunhua County, Hebei Province, the original seed market in 1988 with the inbred line 102 as the female parent, 20143 as the father of bred monoculture. Introduced to our province in 1991, in 1992 to participate in the introduction of new combinations of hybrid corn in the province more than nine trials, the average yield 46 ...