Tomatoes are suitable vegetables for all seasons in spring, summer, autumn and winter. Naturally, they are also very popular among farmers. Therefore, tomato cultivation is also very wide. Not only do many rural households plant some, but even people in the city sometimes plant a few. But once in the hot season, tomatoes are prone to sunburn. What symptoms will happen with this phenomenon? Are there any good preventive measures?
1. Symptoms of sunburn in tomatoes: Tomatoes have a part of the fruit, especially the fruit shoulders and prone to sunburn. The fruit is shiny like a transparent leather, and then becomes white or yellow-brown plaques, and some wrinkles appear. After shrinking and hardening, the sag is browned. When the sunburned part is infected or parasitic by pathogens, it grows black mold or rots. Sunburn occurs on the leaves, the initial leaves are green and faded, and a part of the back leaves become bleached, and finally the yellow leaves die or the leaves are dead.
2, the cause of sunburn in tomato: In general, the side of the tomato fruit is more prone to sunburn. The cause of sunburn is mostly due to the high temperature of the tomato fruit during the expansion period, the soil is dry, the tomato fruit is exposed to strong sunlight, and the fruit surface temperature is too high and burns.
3, tomato sunburn prevention measures: first of all to choose thicker peels and leafy varieties, in the usual to strengthen the ventilation between tomato plants; summer sun is too strong when covered with sunshade, and timely watering; field When managing, it is necessary to control the moisture of the soil. In the result period of the tomato, it should not be too dry; add organic fertilizer, moderately pruning and snoring to prevent direct light from illuminating the fruit.
In addition to the above points, in the ripening stage of tomato fruit, we must remember to pick it in time. Otherwise, the cooked tomato fruit is more susceptible to sunburn, which reduces the economic benefits of tomato growers.
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