Pseudotsuga brevifolia seedling-raising method
A technology of Douglas brevifolia and seeds, which is applied in the field of seedling cultivation, can solve the problems of low seedling rate, high cost, and not many, and achieve the effects of increasing air permeability, solving slow germination, and accelerating germination
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Embodiment 1
[0016] A method for cultivating Douglas brevifolia seedlings, comprising the following steps:
[0017] (1) Seed selection: first harvest mature seeds during the fruit ripening season, select seeds with full grains and no cracks, and select them again after drying to ensure their survival rate;
[0018] (2) Seed treatment: first mix the seeds of Douglas brevifolia with wet sand, freeze them in an environment below minus 5°C for 30 days, then soak the seeds of Douglas brevifolia in clear water for 1 hour, and then use a concentration of 0.1 % mercuric chloride solution for 20 minutes, after the seeds are sterilized, soak the seeds in warm water at 60°C, stir them thoroughly for 1 hour, reduce the water temperature to 20°C, soak for 1 day and night, take them out and put them in a basket or basket, cover them with a damp cloth and place them In a warm place, the soaked seeds are rubbed and washed with clean water. The degree of rubbing is that the waxy layer on the surface of the...
Embodiment 2
[0024] A method for cultivating Douglas brevifolia seedlings, comprising the following steps:
[0025] (1) Seed selection: first harvest mature seeds during the fruit ripening season, select seeds with full grains and no cracks, and select them again after drying to ensure their survival rate;
[0026] (2) Seed treatment: firstly, mix the seeds of Douglas brevifolia with wet sand, freeze them in an environment below minus 5°C for 40 days, then soak the seeds of Douglas brevifolia in clear water for 1 hour, and then use a concentration of 0.3 % mercuric chloride solution for 30 minutes, after the seeds are sterilized, soak the seeds in warm water at 70°C, stir them thoroughly for 1 hour, reduce the water temperature to 30°C, soak for 1 day and night, take them out and put them in a basket or basket, cover them with a damp cloth and place them In a warm place, the soaked seeds are rubbed and washed with clean water. The degree of rubbing is that the waxy layer on the surface of ...
Embodiment 3
[0032] A method for cultivating Douglas brevifolia seedlings, comprising the following steps:
[0033] (1) Seed selection: first harvest mature seeds during the fruit ripening season, select seeds with full grains and no cracks, and select them again after drying to ensure their survival rate;
[0034] (2) Seed treatment: firstly, mix the seeds of Douglas brevifolia with wet sand, freeze them in an environment below minus 5°C for 35 days, then soak the seeds of Douglas brevifolia in clear water for 1 hour, and then use a concentration of 0.2 % mercuric chloride solution for 25 minutes, after the seeds are sterilized, soak the seeds in warm water at 65°C, stir them thoroughly for 1 hour, reduce the water temperature to 25°C, soak for 1 day and night, take them out and put them in a basket or basket, cover them with a damp cloth and place them In a warm place, the soaked seeds are rubbed and washed with clean water. The degree of rubbing is that the waxy layer on the surface of ...
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