What is the content of tomato for red four?
Tomato can not turn red due to the temperature can not reach the lycopene growth requirements, the use of strains on the red reminder promote the tomato market ahead of schedule. In the process of redness, due to improper treatment to inhibit the growth of plants, some also cause phytotoxicity. Therefore, the drug red should pay attention to: 1, red should not be too early General requirements Fruit fully grown, whitish color becomes fried rice, the red effect is the best. If it is in the green season, if it is not fully grown up, it will rush to red, and prone to stagnation phenomenon of uneven coloration. 2. The concentration of the agent should not be too high. Too high concentration of the tomato solution can harm the base leaves and make the leaves yellow. Usually 40% ethephon 50 ml water 4 kg, fully mixed and used. 3. The number of red fruits should not be too much at one time. Because the individual red fruit is too much, the amount of drug is too large, easy to produce phytotoxicity. 4, reminder red liquid can not be contaminated in the red leaf in the process of drug administration should be carefully used, can use a small sponge to dip liquid, smear the surface of the fruit. Can also be used cotton gloves dipping liquid, evenly wipe the fruit surface.
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