pollen counts

This year , some areas are reporting record-high pollen counts , which are sure to impact the people breathing that yellow , dust-like allergen .

今年，一些地区正在报道高花粉量的记录。这些大量的黄色粉尘样的变态反应原确实影响了人们的呼吸。

Among these , 32 plants were identified as tetraploids based on morphological identification , examination of stomatal characteristics , size measurement and viability testing of pollen , and chromosome counts of the pollen mother . Furthermore , 3 tetraploid lines showing excellent characteristics were screened .

再生植株经过形态鉴定、叶片气孔特征检测、花粉粒大小及生活力检测、以及花粉母细胞染色体计数，鉴定出32个自然加倍的四倍体株系，从中筛选出3个优良株系。

Pollen occurrence was measured every day on the roof of the hospital , and the pollen counts subsequently were analysed in relation to the symptoms reported by the children .

每天在医院屋顶进行花粉出现情况的测量，收集花粉数量数据被用于分析儿童报告症状的相关性。