[seed harvesting] The harvested part is the head of the chrysanthemum. Usually in the period of October to November of each year, most of the ripe apical inflorescences of achene are cut, dried and then placed in a dry and cool place, concentrated to remove impurities, and the seeds are selected.
[Grading] The collected seeds should be graded before ensuring the clarity of the species, normal water content, and no foreign matter pollution: the germination rate of the first seed is ≥ 95%; the germination rate of the second seed is ≥ 90%; The seed germination rate is ≥85%. When the seeds of all levels are used, their germination rate is allowed to be less than 5% of the corresponding standard; as the storage time is extended, the germination rate standard should be adjusted downward accordingly.
[Package] The seed size of Chrysanthemum is medium. More moisture-proof paper bags are used as internal packaging; printed paper bags are used as external packaging. Be careful not to mix with other grades of seeds during operation. Wholesale equipment: seeds within the 500 to 1000 grams; retail equipment: seeds within the Sheng 1 to 2 grams.
[Storage Management] The seeds can be stored in a dry, dark place, well-ventilated, and at an ambient temperature of 2 to 4°C.
[Storage period] According to the above method, the seeds of Strawflower can usually be stored for 1 to 2 years and still maintain a comparable germination rate.
[Gardening Application] Strawberries are relatively drought-tolerant and easy to manage. They are used for planting a wide variety of ornamental plants. Can be planted flower arrangement, can also be used to produce dried flowers.
[Suggestions for Supply] Breeding Strawflower with seeding method is mainly carried out from March to May every year. Its seeds should be listed in advance. In order to ensure quality, the unsold Chrysanthemum seeds are stored in the off-season for storage. For species stored for more than one year, instructions should be given before delivery.
The virus is composed of a nucleic acid molecule (DNA or RNA) with a protein consisting of non-cell morphology of the campal life of the living body. The general symptoms of viral infection are fever, headache, cough and other symptoms of systemic poisoning and viral host and invasion of tissues and organs leading to inflammatory symptoms caused by local symptoms (diarrhea, rash, liver function damage, etc.). Different symptoms of the different virus, some viruses can also damage the myocardium, causing viral myocarditis. There are two types of viral infections, mostly recessive infections (subclinical infections), and a few are dominant infections. Dominant infection can be divided into acute infection and persistent infection. There are many ways of antiviral infection, such as direct inhibition or killing of viruses, interference with virus adsorption, prevent viruses from penetrating cells, inhibit viral biosynthesis, inhibit viral release or enhance host antivirus capabilities. At present, there are several major types of antiviral drugs: Anti-Respiratory virus infection drugs, anti-immune virus drugs, anti-hepatitis virus drugs, anti-herpes virus drugs.
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