Beware of green onions

According to a recent survey, onion thrips are seriously jeopardized in onion fields, 200 to 300 tubes, and the damage rate is over 60%. The formation of contiguous leukoplakia on the damaged onion leaves has seriously affected the growth and quality of the onion, and reminded the farmers to prevent and control it in time.

Onion thrips is commonly known as thrips, mainly on the scallions, shallots, onions, shallots, leeks, garlic, etc. Lily family vegetables, adults and nymphs suck sucking mouthparts to suck the leaves juice, so that the onion leaves form many fine long Yellow-white spots, when the leaves are yellow and white, twisted and dead. Occurs 3 to 10 generations a year, and generally begins to breed in the spring. As the temperature rises, the hazards increase, and the period from May to June reaches its peak. High temperature and drought are beneficial to it. Onion thrips are generally hidden during the day and endangered at night, and cloudy days can be hazardous throughout the day.

Prevention:

1. Remove stubble and dead leaves of field weeds and former crops in time to reduce the source of insects.

2. Watering in time when drought occurs. Use a method of pouring water with small water to increase the humidity in the field and suppress the damage of the onion thrips.

3. Chemical control can be sprayed with 10% imidacloprid wettable powder, 3% acetamiprid EC 2000 times, 4.5% beta cypermethrin EC or 2.5% kungfu EC (cyhalothrin) 1500 times. Note that 7-10 days after spraying can be harvested to ensure food safety. Http://

Toilet Cleaner

Toilet Cleaner,Toilet Bowl Cleaner,Toilet Cleaning,Toilet Cleaning Powder

Wuxi Keni Daily Cosmetics Co.,Ltd , https://www.kenicosmetics.com