Taking the seed of Acer truncatum as an example(7 gallon nursery pots supplier), the germination rate is 95%, 72% and 13.5% in 30, 15 and control days, respectively. The number of days required for low temperature stratification germination varies from tree species. Whether the density of seedlings is suitable or not will not only directly affect the quality and yield of seedlings(plastic plant pots wholesale), but also directly affect the economic benefits (Larix kaempferi).
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After low temperature stratification, coniferous trees, such as Pinus tabulaeformis and Pinus sylvestris(1 gallon nursery pots supplier), the roots are developed, which fail to meet the requirements of germination promotion, are placed in the sun for hours or even days. The seed is split mouth, which not only has the effect of germination promotion, but also plays a role Bactericidal effect(5 gallon planter). It is also necessary to prevent water or ponding inside the passengers.
(plastic pots for plants wholesale suppliers panama)When soaking seeds with high temperature water(15 gallon nursery pots supplier), the following three points should be paid attention to: first, select water temperature according to the characteristics of seeds; second, control the proportion of water and seeds, and the volume ratio of water is three times of that of seeds(plant pot suppliers); third, when pouring seeds into a hot water container, fully mix them for several minutes to make the seeds evenly heated.
The seeds of many conifers are easy to be pecked by birds because they have seed coat on their cotyledons after germination(gallon plant pots wholesale). Paint the seed coat red with lead before sowing to prevent bird damage. Seedling density refers to the number of seedlings per unit area (or per unit length). The unexpanded seeds were soaked in water at 80 ℃ and 90 ℃(large plastic planters uk). The specific method is the same as above. The result is good and safe.(plastic pots for plants wholesale suppliers panama)
For the expanded seeds, high temperature germination is carried out(half gallon nursery pots wholesale), that is, the seeds are placed in the environment of 15 ℃ - 25 ℃ and covered to keep the seeds wet. The seeds are rinsed with warm water (about 45 ℃) for 1-2 times a day. When the split feeding and germination seeds reach 20% ~ 30%, the seeds can be inserted(10cm plastic grow pots). But sometimes it works, sometimes it doesn't work. Now it's better to use sound to drive away.
(plastic pots for plants wholesale suppliers panama)The practice shows that under the same conditions, when the density of seedlings is suitable(cheapest 2 gallon pots), the seedlings are thick and strong, the branches and leaves are luxuriant, the ratio of stems and roots is small, the quality of dry matter is large, the number of qualified seedlings is large, and the ability of resistance to stress is strong(deep cell plug trays), but with the increase of the density of seedlings, the quality of seedlings gradually decreases.
The density of seedlings is large(1 gallon plant pots), the nutrition area of each seedling is small, the branches and leaves shade each other, the light is insufficient, and the soil nutrients and water are also insufficient. The synthesis of carbohydrate, the product of photosynthesis, must be reduced when the light is insufficient(shallow microgreen trays). The author studies the density of seeding seedlings of Populus microphylla, and the results also show this fact.(plastic pots for plants wholesale suppliers panama)
The ground diameter, height, number of lateral roots and dry matter weight of seedlings all decreased regularly with the increase of seedling density(cheap 3 gallon plant pots). The density of Larch seedlings (110) was studied in Jiabang forest farm of Fushun City. The experiment design has three densities: 330 / m2, 364 / m2 and 480 / m2(10 gallon pots). The specific method is to use 50g vegetable oil per kilogram of seed, and add 80g-100g national zinc powder.