Almost stop growing, appear plant is short, leaf small phenomenon such as light color(4 cell trays bulk), it is stiff seedling. Rigid seedlings are not recommended for transplanting, it can hardly form a commercial part, even if transplanted in the field, it can not grow normally. In essence, seedling ossification is due to some reasons that limit its continuous growth(40 cell trays bulk). Because the temperature of seedbed is too low, the soil is poor, the nutrient is insufficient, and the drought makes the seedling age too long.
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When the humidity is high and the seedlings are already dead, it can be sprayed with plant growth regulators(bulk 1.5 gallon pots), such as gibberellin, or spraying urea and potassium dihydrogen phosphate aqueous solution fertilizer. In the management, it can be saved to supplement nutrients for the seedlings and stimulate their continued growth(6 cell trays bulk). The emergence of flash seedlings is due to the unadaptable phenomenon of light damage caused by dark to light in the long-term rainy and low light weather.
(black 5 gallon plastic nursery pots manufacturer)Try to make the seedlings see more light, and increase the time of light to prevent excessive growth(8 cell trays bulk); when the seedlings encounter strong light in sunny days in rainy days, they should be properly covered, or gradually open the cover to let the seedlings receive sunlight(40 cell tray in bulk); in addition, when the nitrogen fertilizer is applied too much in the greenhouse, pay attention to the emission of ammonia to avoid the flash seedlings caused by the accumulation of too much ammonia in the greenhouse.
The root system is brown and rotten, and the leaves are withered and yellow(2 gallon plant pots distributor). When the seedlings show the signs of retting roots, it is necessary to reduce the amount and times of watering, and loosen the soil to reduce the humidity and increase the ground temperature, which can alleviate the retting roots(12 cell trays bulk); the temperature in spring is not stable, and the seedlings may suffer from low temperature freeze injury, which is a main reason for the failure of seedling raising.(black 5 gallon plastic nursery pots manufacturer)
The threat is bacterial wilt and Damping off disease, both of which can cause the disease and death of the stem base of seedlings(bulk 2 gallon containers). The difference is that the disease spot on the stem base of Rhizoctonia solanacearum withers and withers to the death of seedlings, which is not easy to fold(51 cell trays bulk); but the disease spot on the stem base shrinks and thins after wrapping around the stem, which is easy to fold and die; before the seeds are unearthed, the disease will also cause the seeds to rot.
(black 5 gallon plastic nursery pots manufacturer)The soil can be sown after the soil is sterilized by using the fungus(3 gallon nursery container wholesale price). Before and after the onset of the disease, it can be sprayed with propoxine, carbendazim, Jinggang mycin and fungicides. In the process of vegetable planting, the management of seedlings and effective prevention and control of diseases are very important for the growth and development of vegetables in the later stage(18 cell trays bulk). These precautions must be done well.
In the later stage(24 cell trays bulk), it is easy to cause flower and fruit abscission and malformed fruit, so the temperature management of seedling environment should be strengthened. In case of prevention, it can be improved in accordance with the seedbed environment. It may be that the soil temperature is lower than 10 ℃, and it is easy to retouch roots(36 cell trays bulk). It may lose water, dry up and wilt, which is very harmful to the growth of seedlings.(black 5 gallon plastic nursery pots manufacturer)