The shade is generally about 80% (that is, 80% of the natural light at the time is blocked)(small plastic hanging baskets). To prevent high temperature damage, it can be cooled by ventilation, shading, watering, spraying and other methods. Without supplementation, plants cannot maintain normal life activities and scorch and die(v11 nursery pots). Woody flowers will also have buds withered, withered tops, runny coats, and fallen leaves.
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There are many indirect causes, mainly because high temperature destroys the normal physiological activities of flowers(hydroponic farming tray). Chlorophyll loses its activity after being destroyed, reduces photosynthesis, makes intracellular protoplasm condensation and denaturation, respiration is greatly enhanced, and nutrient consumption increases sharply(128 cell trays bulk). And the direct cause is caused by short-term exposure to high temperature.(cheap plastic cell seedling trays suppliers japan)
Cold injury is also called cold injury(greenhouse trays and pots). The optimum temperature for growth of most flowers is usually 18~25℃, below the optimum temperature, the growth will slow down or even stagnate. When the temperature is lower than the lower limit temperature that the flowers can tolerate, it will often cause damage to the flowers(7 gallon nursery pots bulk), which can be roughly divided into three types: cold injury, frost injury and freezing injury.
(cheap plastic cell seedling trays suppliers japan)When the temperature of frost damage or the surface temperature drops to 0℃, the supersaturated water vapor in the air condenses into white ice crystals-frost(orchid plug trays). Because of the appearance of frost, Huacai was injured, and it was called Reggie. When the temperature exceeds 45°C, most flowers will die(72 cell plug trays supplier). The young buds of woody flowers turn black after being frozen, and the petals change color and fall off.
After the flowers have been frosted, the damaged leaves will be water ulcerated, soften and wilt after the paint is removed, and then fall off(thermoform pots). The resistance is strongest in the dormant period, the vegetative growth period is in the middle, and the resistance is weakest in the reproductive period(72 cell seed trays wholesale). The most common symptoms of cold injury are discoloration, the flowers are water-soaked, necrosis and spots on the surface.(cheap plastic cell seedling trays suppliers japan)
refers to the damage caused by low temperature above 0°C to the thermophilic flower(hole tray). The damaged flower is mainly native to tropical or subtropical flowers. Freezing injury refers to the injury caused by freezing between flower cells caused by low temperature below 0°C(72 cell propagation trays wholesale). Freezing damage often freezes herbaceous flowers to death, and freezes the bark of some woody flowers, withered branches or damaged roots.
(cheap plastic cell seedling trays suppliers japan)During the entire growth and development process of this kind of flowers, avoid direct sunlight(v10 nursery pots). In any season and site maintenance, they need to be shaded. In addition to external temperature factors, the damage of flower spoils by low temperature also depends on the ability of flower spoils to resist low temperature(blow molded nursery pots). The same breed has different resistance to low temperature at different developmental stages.
If placed under strong light(128 plug tray), the branches and leaves will wither and the growth will stagnate, and the whole plant will die in severe cases. Without sunlight, photosynthesis of flower plants cannot proceed, and their growth and flowering will be seriously affected(sureroot plug trays bulk). Light is the energy source for flowers to produce nutrients and one of the important ecological factors to ensure that flowers are in need of growth.(cheap plastic cell seedling trays suppliers japan)
