Poor management of the zucchini planting process in the greenhouse often causes the zucchini to produce deformed fruit, affecting product quality and vegetable income. Radial Artery Compression Tourniquets Radial Artery Compression Tourniquets,tourniquet oem,medical tourniquets,tourniquet pneumatic Anesthesia Medical Co., Ltd. , https://www.jssinoanesthesias.com
Zucchini produces deformed fruit for several reasons: First, lack of water and fertilizer. Sitting melon early water and fertilizer deficiency is easy to form a sharp mouth melon, medium-term deficiency is easy to form thin waist melons, the late lack of easy to form slender pods melon. Mid-fat too easy to form large pot watermelon. The second is poor pollination. The uneven distribution of pollen makes the pollinated area concave. The third is that the temperature is too high or too low, which affects the photosynthetic efficiency of the plant, which results in insufficient nutrient production and inhibits fruit growth and development. Fourth, the fruit formed by female flower defects or bisexual flowers is often deformed.
In order to promote multi-knot quality fruits of zucchini cultivated in greenhouses, we must create a good ecological environment and improve management techniques in cultivation measures.
1. Meet fertilizer requirements. Zucchini needs more fertilizer, strong suction fertility, more drought, but the fruit needs more water during the expansion period, to keep the soil moist. Therefore, one must apply enough basic fertilizer, and the other must use nitrogen and potassium in combination with timely fertilizer. After each batch of fruit, it must be topdressed once. Basal fertilizer in high-quality farmhouse fertilizer per acre 5000 kg, 300 kg cake, 50 kg of superphosphate, 50 kg of potash, while appropriate with zinc fertilizer and magnesium fertilizer. In the early stage of the field, water is mainly controlled, and during the result period, the soil is kept moist.
2. Pay attention to regulating temperature. More use of plastic film greenhouses shed method to increase temperature, heat preservation. The adaptable temperature range of the summer cucurbit is 15°C-38°C, the optimal temperature for growth and development is 18°C-25°C, the suitable soil temperature is 12°C-35°C, and the suitable soil temperature is 15°C-25°C. According to the climate change situation, vegetable farmers should adjust the time for uncovering the film and create a good temperature condition for the growth of the zucchini.
3. Artificial pollination. Every day, from 8 to 10 am, during the peak period of male flower opening, male flowers are removed and their corollas are removed. The anthers are gently applied on the stigma of female flowers. A male flower can grant 3 female flowers. When the humidity is high, pollination results are higher. it is good. Pollination should be uniform. In order to preserve the fruit, it can also be treated with hormones. 20-30 mg/L 2,4-D can be applied to the pedicel or ovary with a brush and liquid on the morning of flowering, but be careful not to let the liquid spill on the stems and leaves. In order to prevent phytotoxicity; 40-50 mg/L tomato spirit can also be sprayed on female styling heads.