In greenhouse tomato cultivation, reducing the number of defective fruit and improving quality is very important, which is directly related to the level of economic benefits. The following four management measures are adopted to enable high tomato yield, excellent quality, neat and no residue.
Lose the "guard" "car"
Based on the principle of no peppers left in the cultivation of peppers, the first and second flowers or the first and second fruits of the earliest flowering of the flower heads of the tomatoes are removed to reduce nutrient consumption and to accumulate sufficient nutrients to supply the above flowers and concentrate. Fruits, so that after the promotion of inhibition, the tomato fruit can be the same size, maturity is basically close.
More flowers and less fruit
For each flower on the flower head to open more points, generally leave 4 to 5 high quality fruit per panicle, must point 8 to 9 flowers. When the young fruit diameter is as long as 1 cm, 4 to 5 fruits of similar appearance and size are selected to be removed, and the larger fruits, malformed fruits, defective fruits, and diseased insects are eliminated. When it matures, the fruit is uniform, whether it is a head or an appearance.
Promote coloration before maturation
When the tomato fruit matures, the 40% ethephon 100 to 200 times liquid can be spotted on the spike branch (5 to 8 mm long) above the stalk with a brush, prompting premature fruit ripening and coloring, increasing yield. . However, it should be noted that when the flower is spotted, it cannot be located at the "joint" (stem and branch junction), otherwise it will cause serious fruit drop phenomenon; do not spray ethephon or stick it on the fruit, otherwise it will not only make the plant advance Aging will also affect the commercial nature of the fruit, and the ripened fruit will not be transported. The concentration of ethephon cannot be too high and the time cannot be too early. Otherwise, the fruit will be premature and the production will be reduced.
Topdressing Potash
When tomato lacks potassium, its coloration is poor, tendon rot is easy to occur, and yield is low. Therefore, when the diameter of the fruit exceeds 3 cm and begins to enter the inflated stage, 10-20 kilograms of water will be applied each time when the tomato is watered. Potassium sulphate to increase the weight of the fruit, reduce the hollow fruit, make it taste good, bright color.
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