[seed harvesting] The harvested part is the capitulum of the coreopsis. Usually from August to October of each year, the most mature apricot inflorescences are cut, dried and placed in a dry and cool place. The seeds are concentrated and mixed.
[Grading] The harvested seeds should be graded before ensuring the clarity of the species, normal water content, and no foreign matter contamination; the germination rate of the first seed is ≥98%; the germination rate of the second seed is ≥95%; The seed germination rate is ≥92%. 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] Coreopsis is a large seed particle size. 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: 300 to 500 grams of seeds within the Sheng; retail equipment: Sheng Sheng seeds 0.1 to 0.2 grams.
[Storage Management] The seeds can be stored in a dry, dark place, well-ventilated, and at an ambient temperature of 10 to 15°C.
[Storing period] According to the above-mentioned method, the seed of the coreopsis can usually be stored for 1 to 2 years and still maintain a considerable germination rate.
[Gardening Application] Coreopsis has a green leaf, golden color, and multi-line planting environment.
[Suggestions for Supply] The propagation of coreopsis by sowing is conducted mainly from March to April each year. Its seeds should be listed in advance. In order to ensure quality, the unsealed coreopsis seeds are stored in the off-season for storage. For species stored for more than one year, instructions should be given before delivery.
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