-
What are the control methods for damping-off in water spinach?
Symptoms After the seeds germinate, infection before emergence mostly causes seed rot; after emergence, infection appears near the soil surface as water-soaked areas that soften and develop basal rot. The diseased part constricts, rapidly spreads around the stem, the seedlings topple, and the whole plant quickly dies, causing patches of dead seedlings. Disease conditions The optimum growth temperature is 15-16°C, and the optimum soil temperature for disease development is...
-
How to prevent and control downy mildew in water spinach? A detailed explanation of practical technical points
1. Practice a 2-to-3-year crop rotation with other vegetable varieties. 2. Before sowing, dress the seed for sterilization at a ratio of 300 g of 35% metalaxyl per 100 kg of seed; 3. In the early stage of the disease, spray with 50% copper metalaxyl wettable powder at 6000 to 7000 times dilution, or with 72.2% Previcur AS at 8000 times dilution, applying once every 7 to 10 days...
-
What chemicals are used to control white rust in water spinach?
First, implement a 2- to 3-year crop rotation with other vegetable varieties. Second, before sowing, dress the seeds for sterilization at a ratio of 300 g of 35% metalaxyl per 100 kg of seeds; third, in the early stage of the disease, spray with 50% copper metalaxyl wettable powder at 6000 to 7000 times dilution, or with 72.2% propamocarb aqueous solution at 8000 times dilution, once every 7 to 10 days...
-
What are the key points for pollution-free control of white rust in water spinach?
Symptoms: The lesions appear on the underside of the leaves. On the upper surface of the leaves, pale yellow to yellow spots first appear, later turning brown. The lesions expand, and on the underside of the leaves white raised blister-like spots form, nearly round or oval to irregular in shape, sometimes merging into larger blisters. In the later stage, the blisters rupture and release white, non-functional sporangia. When the leaves are severely affected, the lesions are dense and the diseased...
-
What to Do When Water Spinach Gets White Rust? A Detailed Guide to Prevention and Control Methods
First, implement a 2-to-3-year crop rotation with other vegetable varieties. Second, before sowing, dress the seeds for sterilization at a ratio of 300 g of 35% metalaxyl per 100 kg of seeds; third, in the early stage of the disease, spray with 50% copper metalaxyl wettable powder at 6000 to 7000 times dilution, or with 72.2% propamocarb aqueous solution at 8000 times dilution, applying once every 7 to 10 days...
-
What are the key points for pollution-free control of white rust in water spinach?
Symptoms: The lesions appear on the underside of the leaves. On the upper surface of the leaves, pale yellow to yellow spots first appear, then gradually turn brown. The lesions expand, and on the underside of the leaves white raised blister-like spots form, nearly round or oval to irregular in shape, sometimes merging into larger blisters. In the later stage, the blisters rupture and release white sporangia. When the leaves are severely affected, the lesions are dense and the diseased...
-
How do you grow water spinach on the water surface? A detailed guide to water-surface growing techniques
Patch after patch of lush green vegetables growing not in a vegetable plot but on the surface of a fish pond, with pretty young men and women from the city poling bamboo rafts and weaving through the floating vegetable garden to pick them... This poetic scene is not a legend, but something that happened at the Baqu River water-surface vegetable base in Wushan Town, Wangcheng District, Changsha, Hunan. "This year in May...
-
Pest and Disease Control Techniques for Greenhouse Cultivation of Water Spinach
1. The main diseases are damping-off and stem rot at the seedling stage, caused by low temperatures and excessively high relative humidity. Reducing humidity can alleviate the occurrence of diseases on the 12582 Nongxintong website. Spray with Ridomil at 700 times dilution or Kameitong at 800 times dilution for control. 2. The main pests are mites and red spider mites, which can be controlled with Karmante at 1000 times...
-
Water spinach is nutritious and offers many benefits, and it is easy to grow in pots at home
Once autumn arrives, Huahua reminds everyone here to remember to eat more vegetables, eat more fruit, and drink more water to stay well hydrated, to prevent dryness caused by the change of seasons from leading to heatiness. Speaking of vegetables, I wonder what everyone likes...
-
Grow a Sweet Potato at Home: Kids Eat It and Shoot Up in Height, and the Leaves Are 100 Times More Nutritious Than Spinach
Private Balcony Vegetable Garden Teacher Xiaoye Teaches You to Grow Vegetables Step by Step Follow Now many vegetable-growing friends love eating sweet potato leaves and sweet potato stems. Indeed, they are rich in mucin, vitamin A, vitamin C, vitamin B, dietary fiber, as well as calcium, ...
条件筛选