Sunlight Greenhouse Sweet Pepper "One-sided Down" Falling Mantle Technology

In the cultivation process of sweet pepper, the stems are hard and brittle due to the high degree of lignification of the main stem, unlike the tomatoes, cucumbers, loofahs and other crops can fall. Under normal circumstances, the plants can grow above the vine wire at the end of May. Since the upward growth cannot be fixed, the vines will be easily crimped afterwards. Therefore, even when the bell pepper plants grow above the vine wire, the plants grow vigorously. The fruit price is high and it is not appropriate to leave fruit again. The fruit must be pulled immediately after harvest. For this reason, Shouguang vegetable growers learned from the practice of “one-side down” pruning after the pruning of peach trees in greenhouses, and explored the “one-side down” cultivation techniques of sweet peppers, and achieved significant economic benefits.

First, falling time

Usually in mid-June, the specific time will depend on the growth of the plant. Usually when the growing point of the plant exceeds the vine wire, it can fall.

Second, falling vines technology

It is generally used twice to fall vines, and the first fall is performed after the third pod is harvested. Before harvest, harvest the larger fruits on the plants that have not reached the sales standard, and remove the old leaves, yellow leaves, and diseased leaves from the lower part so as to avoid more nutrient consumption and field canopy closure after falling, affecting the plants to return to normal quickly. Grow. When falling, first untie the slings tied to each branch of the plant, and then pull the plant branches forward (or southward) obliquely so that they are at an angle of 50-60 degrees to the ground, when they are pulled diagonally southwards First, pull out the southernmost plant and then pull it diagonally, so that the plant becomes shorter. Finally, use a sling to lift the plant leader (about 20 cm from the base of the leaf stem). The second time, after the fruit of the fourth loquat swelled, loosen the sling, and due to the gravity effect of the fruit, the twig with fruit slowly descends to a 30-degree angle with the ground, and then the faucet of the fallen vine is hung on the vine wire again. Fix it. Falling vines are best chosen in the afternoon on a sunny day, when the plant has low moisture content, good flexibility, not easy to be strained. When pulling the plant diagonally, it must be gentle and slow, not too much force, so as not to pull or pull the plant.

III. Field Management after Falling

After each fall, spray a copper preparation, such as 50% DT wettable powder 500 times or 47% Homer WP 600 times or 27.17% copper noble suspension 500 times to prevent bacterial The disease invades from the wound and then goes to regular field management. After the second fall, if the lower leaves of the plant are severely closed, some of the lower parts of the lower leaves can be removed to enhance ventilation.

Sweet pepper "one-side down" vines are simple, practical and effective techniques, once falling can bring significant economic benefits. In the middle and late period of the cultivation of a large sweet pepper in a greenhouse, the cultivation technique of falling vines can be achieved. The growth and development period of plants that should have been pulled at the end of June can be extended to the end of July, and the fruit harvest period is extended by one month. According to statistics, compared with the conventional cultivation of the cultivars of sweet peppers with “one-sided pouring”, the average income per plant can increase by 2.5 to 3 yuan, and about 2000 per acre of planting bell peppers can be calculated. Income from 5000 to 7,000 yuan.

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