Strengthen management. Rational fertilization, increased application of phosphorus and potassium fertilizer, make plants robust and enhance disease resistance. Remove weeds in time, and pay attention to the separation of diseased plants and healthy plants in farming operations. Wash your hands with soapy water after operating on diseased plants and before operating on healthy plants. Fusarium wilt of Luffa: This disease mainly harms the vines of Luffa. When this disease occurs, irregular circular spots will appear on the vines of Luffa, and white liquid will flow out from the spots, which will eventually lead to the death of the vines.
Pay attention to the prevention and control of aphids and whiteflies to prevent virus infection. Commonly used pesticides are: 70% tourmaline No.3 (imidacloprid) water dispersible granule 10 000 ~ 15 000 times, or 40% poison silk emulsion 1 000 ~ 1 500 times, or 4 times. It will seriously affect the healthy growth of loofah fruit. Powdery mildew of towel gourd, the pathogen overwinters on the diseased body, and a large number of pollen spores are produced on the diseased spot in the growing season, which is spread by wind and rain, and the peak of the disease is July-August. Germs come from seeds or soil, and disease-resistant varieties are selected through wind and rain and irrigation water. What are the temperature requirements for planting loofah in greenhouse? Luffa likes high temperature, but not too high. Above 34 degrees is not conducive to the growth of Luffa, and it is easy for the leaves to stop growing and affect the results. Generally 18 to 32 degrees is the most suitable for the growth of loofah.
Luffa has a strong root system. The stems are tendrils, with five edges and green, and the main tendrils and lateral tendrils grow luxuriantly. Tendrils with branched stems are easy to produce adventitious roots. It is distributed and cultivated at home and abroad, and the fruit is a summer vegetable, which contains high nutrients in melon food.