Melon and melon need symptomatic treatment
Gardenia mellifera is a phenomenon in which 3-4 days after the opening of gardenia flower, the young fruit's apex begins to turn green and yellow, becomes thin and soft, and gradually shrinks and falls off at a later stage. The issue of mellowing melons in some sorghum growing areas is more prominent. In this regard, the author believes that the current melon chlorosis is not an invasive disease, and the lack of supply of photosynthetic products is the main reason for melon carbs. According to the different causes of disease, prevention and treatment should be targeted.
First of all, environmental conditions are not suitable, and photosynthetic products are produced less and consume much more of the melons. In the case of cloudy days and other conditions, the light is weak, and the photosynthetic products produced by the leaves must first maintain the respiratory needs of the roots and leaves before they can meet the growth needs of the melon strips. If the nutritional supply is poor for a long time, it will naturally occur.
Responsive measures to adjust the temperature, strengthen management, control the night temperature, increase the temperature difference between day and night, reduce respiratory consumption. Keep it at 25°C~30°C during the day. When the temperature is too high, it should be properly vented. Stay at 15 °C ~ 18 °C at night. Timely supplement of light, in case of rainy weather, light can be supplemented by hanging lights and laying reflective film.
Second, the temperature difference between day and night is too small, leading to the longevity of the melon. The reason is that the ability of stem and leaf growth points to compete for nutrients is strong, and nutrients grow too vigorously. However, the fruit and fruit of wolfberry fruit are not able to obtain enough nutrients and form melons due to their low ability to compete for nutrients. The conditions of high temperature, high humidity, lack of light, excessive nitrogen fertilizer, etc., can cause the plants to grow into melons.
Coping strategies can be controlled by controlling watering and fertilizing, spray-inhibiting agents such as 5% booster 500-fold, or 15% paclobutrazol 1500-fold.
In addition, the melons caused by root injury. The gardenia itself has a strong root system, and it generally does not happen to absorb nutrients. However, in the case of drought, root injury, etc., the inorganic nutrients absorbed by the roots are reduced, which can not meet the needs of the plants, causing serious melons.
Responsive measures to maintain good roots is the key to high yields and stable yields of rice dumplings. By reapplying organic fertilizers, adding biological bacterial fertilizers and other measures to improve the soil, create a good environment for the growth of roots; with reasonable water top dressing, to meet the plant's moisture and inorganic salts The need to promote root growth.
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