The latest course on techniques and methods of Bupleurum seed germination

Bupleurum is one of the traditional Chinese herbs in China, and it is a common form-relieving medicine with high medicinal value. at present, it has a large planting area all over the country. It is propagated through seeds, but its seed life is short, and even the germination rate of seeds in the same year is only about half, so in order to improve the germination rate, it will be treated with germination. Let's take a look at the detailed introduction.

1. Seed selection

When Bupleurum is growing, because of climate and diseases and insect pests, some of the plants will grow carnivorous. when choosing remaining plants, try to choose bupleurum plants that are robust, disease-free and 2-year-old. The remaining plants should be bolted without bolting, while those with no seeds should be bolted in time, reduce nutrient consumption, and apply phosphorus and potassium fertilizer in time. During flowering and budding stage, spraying foliar fertilizer can promote fruit development, grain fullness, increase seed quality and improve germination rate.

2. Stratified storage

The newly collected seed embryo is not yet mature and is in a dormant state, which takes a period of time to grow and mature. According to the experimental test, the volume of the newly harvested implanted embryo is only 5% of the embryo cavity, and the germination rate is very low, and it will grow to 16% after May. The germination rate can be as high as 69%. Therefore, after removing impurities from the newly collected seeds and storing them in layers, it can accelerate the germination of seed embryos, promote seed maturation, and accelerate germination after maturity.

3. Budding treatment

At present, there are chemical treatment, hormone treatment, seed soaking in warm soup and ray treatment, but only the first three are suitable for most growers due to limited conditions. The medicament treatment is to soak the seeds in 1% potassium permanganate solution for about 15 minutes, which can increase the germination of seeds by 12% and 15%. This method is relatively simple and fast, and can be carried out at any time. Hormone treatment means that the seeds are soaked in cytokinins for about 2 hours, and the seeds can be sowed after taking out the seeds and washing them with clean water, which can increase the seed germination rate by 12%, and the concentration of soaking should also be paid attention to. Generally, 0.5 mg of mitogen is dripped into one liter of water. Soaking seeds in warm soup refers to soaking the seeds in warm water of 30-40 degrees for 48 hours, so that the seeds can absorb enough water, fish out the dry water and sow the seeds.

The above is the introduction of Bupleurum seed germination technology, hope to help you, want to know more related knowledge, please follow us.