玉米新杂交种郑单14引种试验

Experimental Plant introduction of New Maize Hybrid Zhengdan No. 14

郑单１４是河南省农科院育成的具有高产、稳产、优质、多抗、广适竖叶大穗型玉米新杂交种。为测定其在本地的适应性及丰产住，我院实验农场引进种植，并与掖单２号，掖单１３号作对照，结果表明：郑单１４产量达８８５０ｋｇ·ｈｍ－２，比掖单２号增产９．７％，比掖单１３号增产１５％．对大、小斑病、青枯病表现出较强抗性．

Zhengdan No. 14 was breeded by Henan Agricultural Scientific institute,with highand stable yield.good quality.multiple resistence broad adaptability.erect leave and big ear.In order to test its adaptability and high yield ability,it was introduced at experimental farmin Anhui Agrotechnial Teachers Clollege. The results indicate that its yield has reached8850kg. hm￣(-2)and increased by 9. 7 and 15 per cent respectively comparea with Yiedan No. 2and Yiedan No. 13. It has stronger resistence with big' small spot and green withereddiseases than other's.