Control of Fusarium oxysporum fruit rot in Hami melon
Fusarium fruit rot of Hami melon, also known as white mildew, is an important disease on Hami melon, which mostly occurs during storage and transportation, and Hami melon and Bailan melon are vulnerable.
The symptoms are mainly harmful to the fruit. At the beginning of the fruit stalk produced a round slightly sunken light brown spot, the size of 10-30mm, waterlogged around, some slightly cracked, the crack produced white velvet mycelium, sometimes pink, sometimes produced orange-red slime particles, that is, the conidia of the bacteria. The serious flesh of the disease is spongy, sweet and then purplish red, and the flesh is bitter and cannot be eaten.
The pathogen is caused by a variety of Fusarium oxysporum infection, and there are 4 common pathogens: FusariumsemitectumBerk.&Rav. Called Fusarium seminaked; F.moniliformeSheldonvar.SubglutinansWoll.etReink. It is called Fusarium moniliforme; F.OxysporumSchlecht is called Fusarium oxysporum; F.solani (Mart) App.etWollenw. Called Fusarium oxysporum.
The characteristics of the disease are that Fusarium oxysporum widely exists in the soil and air, and saprophytic life. When the conditions are suitable, it can invade from the wound, and then produce conidia for re-infection.
Prevention and cure method
(1) breeding and planting disease-resistant varieties according to local conditions.
(2) strengthen cultivation management.
Timely harvest, not too late, do everything possible to reduce various wounds; control temperature and humidity during storage and transportation, cantaloupe 3-9 ℃, Bailan melon 5-8 ℃, relative humidity should not exceed 85%, and pay attention to ventilation and dampness.
(3) Pesticide control.
Spray more than 60% carbendazim hydrochloride (Fangmaibao) soluble powder 700 times or 50% carbendazim sulfonate (carbendazim) 800 times wettable powder at the initial stage of the disease.
Commonly used agents Fangmaibao, carbendazim.
- Prev
Control of bacterial leaf spot of Hami melon
Bacterial leaf spot is an important disease of Hami melon. It can occur in protected land and open field. The rate of diseased plants in severe plots or shed is more than 80%. The symptom mainly injures the leaf, when heavy also infects the stem vine and the fruit. blade
- Next
Control of root-knot nematode disease in Hami melon
Root-knot nematode disease is an important disease of Hami melon, which occurs and distributes in some areas. It can occur in protected and open fields. The disease is more serious in autumn. Infection in seedling stage has a great impact on production. After the disease, the rate of diseased plants is often more than 60%, which obviously affects the production of Hami melon. Symptom master
Related
- A course of planting techniques and methods on how to grow carrots
- How to plant the latest tulips?
- Is it better to pick tea in the morning or in the afternoon? When is the best time for tea to be picked? what is the third or fifth tea?
- Launch Yuanxiao Happy combination Haocha + Tea Yuan healthy Taste
- Penghu Tourism "Fireworks 20 Parade with You"
- 2022 West Lake Happiness holds "Digital Revitalization Voucher" and draws iphone13 and laptop.
- Banqiao Fuzhou social houses are designed to change start-up combined with police elimination to create a safe and livable environment
- The convenient measure of "mechanical weeding" in Xinbei has been abused and the Agriculture Bureau has imposed heavy penalties on the illegal land consolidation.
- Changgeng University Joins Hands with Four Memory Factories to Rescue Memory Talent Shortage
- The list of Taiwan's top 100 MVP managers is listed by the Director-General of the Farmers' Association of Sanxia District.