美国农业部农业研究局科学家采用冷藏法保存花粉,这种方法可以使珍珠粟花粉的生命力延续四年。每当花粉采下后,先进行干燥,然后贮藏在密封容器内。如花粉含水量在6—7％以下,可贮藏在4～5℃冰箱里或17—18℃的冷藏库内。如花粉的含水量超过37—38％,则需贮存在零下数十度的冷 US Department of Agriculture Agricultural Research Service scientists using pollen preservation of pollen, this method can make the pearl millet pollen vitality for four years. Whenever pollen is harvested, it is first dried and then stored in a sealed container. Such as pollen water content below 6-7%, can be stored in 4 ~ 5 ℃ refrigerator or 17-18 ℃ cold storage. If the pollen moisture content of more than 37-38%, you need to store in the cold dozens of degrees below zero