2 kg of water is added with 3 bags of melon, 2 pieces of naphthalene acetic acid (10 ml/piece), 1 flower bud (10 ml/piece), and 8 ml of 2,4-D (100 ml/bottle) as the main medicine. Add 12 milliliters of loofah decaffein (60 ml/bottle), 20 ml of green source (115 ml/bottle), 1 bottle of rotten spirit (1 g/bottle), and 10 grams of promethine.
Harvested gourd, if the flower is still on the loofah, the sale price is much better, but if the loofah bloom is large and thin is easy to get sick, if the petal is small and thick, it is resistant to transport, not easy to rotten, the price is high. To make the loofah's petals as small and thick as possible, according to the trial farmland in Shandong Shouguang, if in the above formula to add acetaminophen (10 ml/bottle), since the pods contain a lot of trace elements, the petals will Smaller and thicker, to enhance the resistance of petals. However, sitting on the Gua Ling should be reduced to 1 pack, so less hormone, but also reduce the incidence of hormonal intoxication.
Second, the matters needing attention
The dipping anther should be ready for use. The excessive amount of leaf fertilizer in loofah dipping anther can directly cause the loofah flower to dry, or the ratio of dipping anthers is unreasonable, or the one-time matching is good. It is easy to make the petals very thin and easy to be infected when many times or more days. Therefore, a reasonable loofah-sticking anther formula is the first step to avoid reducing the dry edge of loofah, and it is recommended that dipping anther should be used properly.
The amount of spray can not be too much, the spray concentration should not be too large. Increasing the spray concentration at will is a common practice in many vegetable farmers' production, but the petal is delicate and the Chinese traditional medicine harms the dry edges. Therefore, to remind farmers friends in the selection of safe pharmaceuticals, but also pay attention to the concentration of spray should not be too large, spray the petals to the surface of the petals can be moist.
The amount of fumigant should not be too large, and the time for smoking should not be too long. Smoke prevention and disease prevention is a time-saving and labor-saving method for controlling loofah diseases, but it is necessary to grasp the amount of smoke agent and smoking time. Smoke should be carried out after 9pm. Don't prematurely. Because if it is too early, the temperature in a shed is too high, the smoke floats in the air for a long time, and it is easy to reduce the efficacy of the medicine; second, the time for smoking is too long to cause phytotoxicity. If one hundred rot smoke agent is selected, under normal circumstances the amount of 250 grams of acres, smoked smoke can be about 8 hours, to prevent the spoilage caused by the dried flowers, dried flowers occur.
One-time ventilation should not be too large, otherwise it can easily cause "flash flowers." At the time of releasing the air at noon, two or more air exhaust methods should be used to cool the air, but some vegetable farmers are in trouble, and once the air outlet is opened, the temperature changes greatly and the delicate petal “flashesâ€, causing the loofah flowers to dry. Sharp and dry edges.
Spending time should be carried out in the morning. Some growers like to spend the afternoon sipping flowers. Because the gourd flower is open from 8 to 10 in the evening, and the flower opening is larger in the afternoon from 3:00 to 4:00, the petals will be larger, so the flowers should be at 10:00 am Afterwards, it is advisable to decorate. The petal will be smaller, thicker, and more resistant to disease, thus reducing the occurrence of burnt or dried flowers in the loofah.
Foliar spray potassium fertilizer. Loofahs need a lot of potash fertilizer during the fruit expansion period, and potassium fertilizer is mainly used for puffing fruit. At this time, foliar spraying of high-potassium foliar fertilizer can make the loofah expand quickly, and at the same time increase its hardness and brightness of the skin, and the petals will become hard and thick.
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