Lettuce is a vegetable that people like to eat regularly, but lettuce refers to the normal growth of lettuce, and timely pesticide control to avoid economic losses caused by vegetable farmers. The specific pesticide control steps are as follows:
(1) Protected cultivation can use a smoke-killing agent (such as 5,200 g/ha of dichlorvos), disperse 60 to 75 piles of dark fire, and seal for at least 3 hours after smoking. The effect is good.
(2) It is a harmless biological control method to collect some ladybugs and release them on vegetables to establish a population to control the occurrence of aphids.
(3) Use of the pharmacy: The pesticide manufacturer recommends using 50% anti-carbohydrate 2000 times solution, or 2.5% kungfu emulsifiable oil 2500 times solution, or 20% sterilized emulsifiable concentrate 2000 times solution, or 2.5% Uranus emulsifiable concentrate 3 times times solution, or 2.5% of the enemy killed emulsifiable concentrate 3500 times solution, or 40% fenvalerate buttermilk oil 4000 times solution and other agents spray control.
Lettuce lettuce refers to the main target of vegetables, such as lettuce, chicory and other vegetables, in the north with eggs for winter, spring to autumn, the four seasons in the south, the damage is relatively large. In the inner leaves, young shoots, inflorescences and leaf backs of Chengyu and Ruoyi, the meat is sucked by the thorns, and the leaves become deformed and distorted, leaving the gray-white suede in the damaged place. Affect the edible nature of vegetables.
The pesticide network reminds the vegetable farmers to master the above prevention and control techniques, so as to ensure the yield and quality of lettuce and avoid pests.
350mm (14 Inch) Flat Cut-off Disc
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