What are the methods for selecting Forsythia suspensa seeds and growing seedlings?

This plant, Forsythia suspensa, is distributed fairly widely in our country, mainly growing in hillside shrublands, under forests or in grassy areas, or in sparse forests in valleys and ravines. Its fruit has certain medicinal effects, and many people grow it specifically to make money. So how do you select Forsythia suspensaseeds? What seedling-raising methods are there? Friends who want to know, read on below!

1. How do you select Forsythia suspensa seeds?

You must choose superior mother plants. Choose superior individual plants that grow robustly, have short and thick branches, dense and plump flowers and fruits, are free of pests and diseases, and are of pure variety as mother trees. Pay attention to observing the flowering and fruiting periods, and grasp the appropriate seed collection time. Collection must be timely to avoid the seeds falling off on their own after maturing. Generally, mature fruits are collected from mid-to-late September to early October. Collect Forsythia suspensa fruits that are fully developed, plump, large and heavy, then spread them thinly in a ventilated, shady place, and thresh them after drying in the shade. After careful selection and removal of impurities, choose uniform, plump seeds free of pests and diseases, and store them for seed.

2. Seedling-raising methods for Forsythia suspensa seeds

1. Selection and management of the seedling site

From a professional point of view, the seedling site should, to the greatest extent possible, be chosen as a plot with relatively high terrain and fertile soil as the cutting site. In addition, before land preparation, about 400kg of organic fertilizer and about 20kg of phosphate fertilizer, etc. need to be applied per 667 sq m. Do a good job of deep plowing, level the land, and promptly remove weeds and discarded agricultural film, etc.

2. Shed-building management

Generally, the greenhouse does not need to be too large; the optimal range is that a person can work inside it, adhering to the principle of low cost. In terms of shed orientation, the best orientation should be east-west. Usually, the shed width should be 2.2-2.4m, and the shed length needs to be reasonably managed according to the size of the plot.

3. Bed preparation management

Either flat beds or low beds are fine, but the width should be controlled at about 1m, and the length should be managed according to factors such as the greenhouse length and the number of seedlings. Usually, 2 strip beds need to be set up in one greenhouse, with a path left in the middle. After the beds are completed, rake the bed surface level and spread fine river sand (or vermiculite) on top, generally 6-8cm wide. Next, advanced ground-inserted micro-sprinkler equipment needs to be reasonably installed above the seedling beds. Generally, the number of nozzles should adhere to the principle that the spraying process leaves no overlaps and no gaps.

4. Cutting preparation management

When managing cutting preparation, the relevant workers should choose plants 2-3 years old that are free of pests and diseases and grow relatively robustly as mother trees. Then prepare the cutting material from late June to early July. After the cuttings are taken, try not to expose them to sunlight. After cutting the cuttings, they should not be placed in water to soak; instead, immediately begin light-protected cutting preparation, that is, making reasonable use of the branches. Generally, the cuttings should be controlled at 10-15cm, and each section of branch should retain 2-3 small buds. Control the distance between the upper cut and the top bud to 0.5cm, make a flat cut, and retain 1-2 leaves, thereby facilitating water absorption and photosynthesis. When treating the cut, the distance from the lower bud needs to be controlled at about 0.3cm, and it should be cut diagonally into a horseshoe shape, increasing to a certain extent the contact surface between the cambium and the soil, which facilitates rooting.

5. Cutting treatment

After the cuttings are cut and treated, they need to be tied in bundles of 50 each, ensuring the buds face upward, placed neatly in a basin, and then soaked with a 1500-fold dilution of Guoguang brand rooting powder at the lower 1/4 position of the cuttings for 2 hours.

6. Cuttage

Using a spacing of 5m x 10cm between plants and rows, first make holes with a hole puncher, then carry out cuttage, with the depth just passing through the sand layer as appropriate.

Alright, the above is all the content that the editor wants to share with everyone today. Forsythia suspensa is used fairly widely in traditional Chinese medicine, so its market sales volume is relatively large, and if planted it is also fairly profitable, but you must choose high-quality seeds, and it is even better to master certain seedling-raising methods. I hope this article can help everyone.

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