How does passion fruit prevent and cure yellow mosaic virus disease in autumn?
At present, passion fruit industry is developing vigorously in Guangxi, Fujian, Guangdong and other regions. Passion fruit has a very good market prospect, but it is not easy to rest easy. Passion fruit cultivation is not as easy as imagined, for example, in autumn, passion fruit is easy to suffer from yellow mosaic virus disease, causing losses to its quality and output. So how does passion fruit prevent and cure yellow mosaic virus disease in autumn?
What symptom does passion fruit yellow mosaic virus disease have?
Passion fruit in autumn is easy to appear leaf mottled yellowing, growth point atrophy, no new buds, no new leaves, leaf curl narrow deformity phenomenon, that is passion fruit infected with yellow mosaic virus disease. After passion fruit was infected with yellow mosaic virus, the bud was deformed, the fruit set decreased, even did not blossom, did not bear fruit, and the yield and quality decreased significantly.
How to prevent and cure it?
In autumn, the plants of passion fruit were observed, and it was found that the growth point of passion fruit plant atrophied, the leaves lost green and yellowed, and when the new leaves were curled and long and long, the leaves should be sprayed with 600x 0.5% mushroom proteoglycan, 800x 1.8% octylamine acetate, 1500 times 0.001% natural brassine, 0.1% zinc sulfate and 1500 times 10% thiazine. Spray 2-3 times in a row, spray all the stems and leaves evenly, and it is appropriate to start dripping water.
If you encounter Rain Water within four hours after spraying, you should make up the spray again to improve the control effect. In this way, it can weaken the activity of the virus, inhibit the reproduction of the virus, kill the virus and the pests that spread the virus (the virus of passion fruit yellow mosaic virus is transmitted by aphids, whitefly, thrips and other pests). It can not only restore the normal growth of diseased plants and prevent the virus from spreading to harm other healthy plants, but also enhance the ability of plants to resist viruses and reduce the disease.
Time: 2019-04-11 Click:
- Prev
When is it better for Fusang to be grafted? How to carry out grafting?
Fusang is also known as hibiscus, hibiscus and Chinese rose. The flowers are large and colorful and bloom all the year round. They are planted all over the world, especially in the tropics and subtropics. Among them, grafting is an important way of reproduction, so when is it better for Fusang to be grafted? How to carry out grafting? According to Uncle Li, the garden administrator,
- Next
How long does it take from sowing daisies to flowering? How do you raise it? What is fancy language?
Daisies are also known as horsehead orchids, longevity chrysanthemums, spring chrysanthemums, sunflower and so on. Is a kind of Compositae, perennial herb. It is about 10 centimeters high. How long does it take from sowing to blooming? How do you raise it? What is fancy language? According to Aunt Wang, a flower farmer, most of the seeds in the south are sown from August to September in autumn, or they can be sown in spring.
Related
- Fuxing push coffee new agricultural production and marketing class: lack of small-scale processing plants
- Jujube rice field leisure farm deep ploughing Yilan for five years to create a space for organic food and play
- Nongyu Farm-A trial of organic papaya for brave women with advanced technology
- Four points for attention in the prevention and control of diseases and insect pests of edible fungi
- How to add nutrient solution to Edible Fungi
- Is there any good way to control edible fungus mites?
- Open Inoculation Technology of Edible Fungi
- Is there any clever way to use fertilizer for edible fungus in winter?
- What agents are used to kill the pathogens of edible fungi in the mushroom shed?
- Rapid drying of Edible Fungi