Introduction

Because the white wax insects are stocked on the tree, it is named ash tree, which is also a sand-fixing tree. There are about 70 species in this genus, mainly distributed in the temperate zone of the northern hemisphere, with a few extending south to the tropics. There are about 20 species in China, and the most widely distributed is the ash tree. The wood is tough and resistant to water and humidity, and is used to make furniture, farm tools, plywood, etc.; the branches can be weaved into baskets; the bark is called "Qinpi", which is used as a heat-clearing medicine in Chinese medicine.

Ash tree flowering period: April to May bloom,

Ash tree maturity period: mature in September to October.

Seed collection:

选择好的植物生长结实的和自由的diseases and insect pests, and pick them when the samara changes from green to yellowish brown and the seeds are hard. If the seeds do not fall after maturity, the fruit branches can be cut off, the wings removed, and the sundries are removed. The seeds are packed in a container and stored in a sterilized, low-temperature, dry, and ventilated room.