The sheds mainly include cabbage caterpillars, red strips, microtuberculosis, tobacco budworms(gallon plant pot), and small leaf roller moths, which seriously affect the yield and quality of carrots and require timely prevention and control. The prevention and treatment methods of carrot main pests are introduced as follows: mainly anatomical plants such as carrots and fennel, vegetables such as radish, cabbage, onions, onions, etc.(4 cell propagation trays wholesale), and can also be mites, mites, yellow pineapples, and the like.
Use 2.5% deltamethrin EC 2000 times solution(cell trays), 1.8% avermectin EC 2000 times solution, 90% crystal trichlorfon 1000-1500 times solution, 50% phoxim EC 1000-1500 times solution, 50% horse The desulfurization emulsifiable concentrate is 1000-1500 times, sprayed once every 5-7 days, and continuously controlled 2-3 times. If the cockroach is mainly harmful to the young shoots of the umbelliferous plant, the young leaves will be curled, reducing yield and quality.(wholesale 150mm plastic starter plant pots ireland)
In early spring, carrots can be applied on wintering celery with more winter locusts or other vegetables nearby to prevent the spread of winged mites(gallon nursery pots). For example, more mites on celery can spray 50% anti-Pu Wei WP 2000 times solution or 10% imidacloprid WP 1500 times solution, 50% phoxim emulsion 1000 times solution, 50% malathion emulsion 1000 times solution(24 cell propagation trays wholesale) , 2.5% fish vine essence emulsion 600 ~ 800 times liquid(flat plastic tray), 20% methionin 2000 ~ 3000 times liquid.
(wholesale 150mm plastic starter plant pots ireland)After the seedlings are damaged, they often form a piece of yellow. In general, the carrot planting process is often attacked by insects(propagation tray). After harvest, it is necessary to clean the fields in time and plow the land. It should be applied at the peak of spawning, and the spray should be sprayed once within 3 days, and the spray effect is best when half of the eggs turn black(plastic grow pots). The application time is preferably before 9:30 am and after 4 pm.
When the celery is in the stagnation period, the aerosol agent No. 4 can be used, and 350 grams per 667 square meters can be used to save labor(black plastic plant pots). The larvae eat buds, flowers, and fruits, and also eat tender stems, leaves, and buds. After the pests are fed, they form many nicks and holes. In severe cases, only the veins are left. The fruit is rotted by the cockroaches and a large number of fruit drops are the main reasons for the loss of yield(greenhouse supplies pots). Field treatment after harvest.
(wholesale 150mm plastic starter plant pots ireland)Or rotate with non-solanth crops to eliminate cotton bollworm overwintering and plant residues(plug trays), reducing the number of insect source bases in the coming year. Use light to trap. The installation of insecticidal lamps and black light in the field can kill a large number of adults(wholesale greenhouse pots). The control of cotton bollworm should be done to rule the first generation, the second and third generations of the rule, and pay attention to the fourth generation.
The drug was stopped 7 days before the harvest(square nursery pots). Spray the larvae at the age of 3 before the eggs of the cotton bollworm in the period from the beginning to the third instar larvae. Each acre is sprayed with 300-350 ml of Bacillus thuringiensis, or 1000-1500 times of 5% hexaflumuron emulsifiable concentrate, or 2000 times of 10% imidacloprid wettable powder, or 25% cyanogen(seed starter trays). The phoxim emulsifiable concentrate is 1500 times liquid spray.(wholesale 150mm plastic starter plant pots ireland)