经过３５～３８℃鼓风脱水干燥处理的象草花粉，在３０℃室温条件下，保存１０天，４～１０℃冰箱中保存１５～２０天，活力分别为５６．２％和３９～８２％；与其不同花期母本杂交均结实。在－１０℃低温冰箱中保存３０天或３６５天，染色结果虽表明有一定活力，但用其杂交，均不结实；在－１９６℃液氮中超低温冷冻贮藏一年，活力为６９．４％，用其授粉结实率为６６．６７％，与新鲜花粉无明显差异。 After 35 ~ 38 ℃ blast dehumidification dried grass pollen, at 30 ℃ room temperature for 10 days, 4 ~ 10 ℃ refrigerator for 15 to 20 days, the vitality of 56.2% and 39 to 82% ; Its different flowering mother hybrids were strong. In the -10 ℃ low temperature refrigerator for 30 days or 365 days, although the staining results show that there is a certain vitality, but with its hybridization, are not strong; cryogenic frozen in liquid nitrogen at -196 ℃ for one year, the vitality of 69.4% , Pollination rate was 66.67%, no significant difference with fresh pollen.