Methods The content of sucrose solutions with different ratio of ethanol was determined by the anthrone-sulfuric acid colorimetry method.
方法配制不同比例乙醇蔗糖溶液，蒽酮-硫酸法测定蔗糖含量；
Results The content of sucrose solutions with different ratio of ethanol (1:1,1:2) was detected by the anthrone-sulfuric acid colorimetry method.
结果纯化水：乙醇比例为1：1，1：2时可用蒽酮-硫酸法测其中蔗糖含量；
Certain concentration of sucrose solution is helpful to growth of pollen tube; both 10% and 20% sucrose solutions can significantly increase elongation velocity of pollen tube.
一定浓度的蔗糖溶液有助于花粉管的生长，10%、20%蔗糖浓度均能显著提高花粉管伸长速度。
Certain concentration of sucrose solution is helpful to growth of pollen tube; both 10% and 20% sucrose solutions can significantly increase elongation velocity of pollen tube.
一定浓度的蔗糖溶液有助于花粉管的生长，10%、20%蔗糖浓度均能显著提高花粉管伸长速度。
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