摘要
到下世纪30年代,预计中国人口将达到16亿,对粮食的需求量尚需在现有基础上再增加3000亿斤。由于土地资源有限,今后的增产途径主要是提高单位面积产量,因此需要能增产20％—30％的作物新品种或称为超高产品种。本文指出,培育超高产品种,需要通过多学科合作研究,发掘新的作物种质资源,改进育种方法,在作物对水、肥资源和光能利用效率方面有进一步提高,育种目标才有可能实现。
By the end of 2030, the population of China will be up to 1.6 billion, the requirement for grains production in whole country will be increasing 150 billion kg on what has already been achieved. Considering that the farmland resource is limited, the way to increase crop yield must be dependent upon yield raising per unit area, so that to breed the new crops in shich the yield can increase 20% - 30% than that of existing ones, or being called super high yield crops, is required. This paper indicated that to breed super high yield crops must strengthen multiple-discipline cooperation, develop new crop germaplasm resources, improve breed method and further raise the utilizing efficiency of water, fertilizer and light energy of crops. Thus the target will be able to realize.
出处
《中国科学基金》
CSCD
2000年第1期40-42,共3页
Bulletin of National Natural Science Foundation of China
关键词
超高产品种
农业科技
作物育种
super high yield crops, utilizing efficiency, water-iertilizer-light energy
