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1.雄花粉的采集。优质的雄花颗粒饱满,色黄而透绿,手一捻呈浆糊状,黄粉在阳光下更加清楚。一般在4月上中旬当雄树花序由青转淡黄时采集花粉,可将花粉抖落在白纸上收集备用。
1. Male pollen collection. High-quality male flowers full of particles, yellow and transparent green, hand twist a paste, yellow powder in the sun more clearly. Generally in mid-April when the male tree inflorescences from yellow to yellow when collecting pollen, pollen can shake off the white paper collection reserve.