How to choose the seed of Acer truncatum? What are the methods of raising seedlings?

Acer triangularis, also known as Acer triangulata, belongs to medium and large deciduous tree plants, and is one of the common categories of greening trees in China. Triangulum maple is grown in the middle and lower reaches of the Yangtze River in China and cultivated in the Yellow River basin. It is suitable for shade trees, street trees and bank protection trees, as well as hedges. So how to choose the seeds of Acer truncatum? What are the methods of raising seedlings? Let's study together.

How to choose the seed of Acer truncatum?

The mature fruits with brown or brown Samara were collected during the fruit ripening period of Acer triangulata, and the seeds with full grains, no defects or deformities, and no diseases and insect pests were selected, removed and dried slightly. The seed size of Acer truncatum is average and the unearthed ability is very good. It is easy to do some germination methods before planting. Soak in warm water for one day, then take out sour and dry to make it. The thickness of the seed is moderate or shallow, and the thickness of the covered soil is not more than 3 cm. Most of them choose to sow in strips, which can be germinated in about 7-11 days.

What are the methods of raising seedlings?

1. Nursery site selection

To cultivate Acer truncatum seedlings, we should choose high-quality fields with loose and ventilated soil, rich in organic matter, flat terrain and smooth drainage. The terrain is mainly conducive to drainage, otherwise the rainy season is approaching, the increase in water is prone to large-scale dead seedlings. The soil quality can be generalized, the light is enough, the triangle maple is resistant to freezing, not afraid of drought and waterlogging.

2. Deep digging of ground preparation

The soil deep ploughing was carried out twice in the late autumn of the first year and at the end of February of the following year. Before the two deep ploughing, farm manure and quick-acting compound fertilizer were applied respectively, the amount of farm manure was 18t/ hectare, and the amount of available compound fertilizer was 700kg/ hectare. Twice deep ploughing and fertilization could significantly improve the soil structure of the sowing orchard and prepare measures for sowing.

3. Sowing and raising seedlings

Acer truncatum can be sowed in spring or autumn, and can be sown by strip sowing. The sowing amount per mu is about 3-4kg, and the seedlings need to be covered with soil. Cover thickness is 1cm~2cm, spray watering, watering thoroughly.

4. Seedling stage management

Acer truncatum has strong resistance and less disease during seedling growth, so the main work is watering and fertilization and cleaning up weeds. About 25 days after sowing, the germination rate of Acer truncatum can reach about 80%. At this time, it is necessary to trim the seedlings and pull out the sick and unhealthy seedlings. When most of the seedlings of Acer truncatum grow 3 or more leaves, they can be transplanted.

Generally speaking, there are three common propagation methods of Acer truncatum: sowing seedlings, cutting propagation and strip propagation, among which sowing seedlings can be raised in large quantities and easy to maintain, so it is the most common.

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