According to surveys, the current tomato blossoms are mainly caused by the following aspects.
First, the temperature is too high, resulting in uneven coloration to create a face. At present, the daytime temperatures are almost all around 35°C. At this time, high temperatures can cause the fruits that are in the color-changing period to fail to change color. The tomato fruits turn green from red because of the formation of lycopene, and the temperature is higher than 32°C. Lycopene is difficult to form. This is an important reason why the current tomatoes cannot be normalized.
Second, the loss of nitrogen fertilizer can also cause the fruit to turn color abnormally. Excessive application of nitrogenous fertilizers or other fertilizers in the soil will result in too high a concentration of the soil solution, resulting in an unbalanced pH, which will lead to uneven coloration of the tomatoes.
Third, viral diseases lead to face. When tomatoes are infected with viral disease, the appearance of the fruit is unevenly colored and the surface of the fruit is uneven. This phenomenon is mostly streak virus. To avoid this situation, we must start from the aspects of seed disinfection, disease prevention at seedling stage, and pest control during growth, and strictly prevent the occurrence of viral diseases.
In addition, the lack of boron can also cause the appearance of tomato flower face, which is usually manifested in brown spots or lesions in the pedicle, and the cracks or lesions become hard and not wet. In this regard, vegetable farmers can apply appropriate amount of boron fertilizer or spray borax solution when planting diarrhea.
Common Snapdragon
Seeds during the spring and autumn in the south, the north spring sowing.Seeds small, seedbed to soak first, after waiting for the water area, don't overburden soil, seedbed stays wet.Not resistant to heat, cold, half shadow.Xi loose, fertile and well drained soil, pH 5.5 ~ 7.0, seeding and flowering 11 weeks.Long sunshine promote flower bud differentiation, temperature on plant height, number of flowers and flower have obvious influence.This kind of flower is compact, design and color is gorgeous, for the fine flower bed and flower border material, can be potted ornamental.
Common Snapdragon Seeds,Snapdragon Seeds,Snapdragons Flower Seeds,Summer Snapdragons Seeds
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