Liriomyza sativae, commonly known as the vegetable leafminer, is a globally significant quarantine pest that has recently caused severe damage to greenhouse crops such as cucumbers, tomatoes, eggplants, peppers, and beans. Its infestation significantly affects crop yield and quality, making it a serious concern for farmers. To effectively manage this pest, the following integrated control measures are recommended.
**Agricultural Control**: Implementing proper crop rotation is essential. Avoid planting Liriomyza-susceptible crops like beans alongside cruciferous or liliaceous vegetables that are less attractive to the pest. Regular thinning of plants improves air circulation and reduces humidity, which can help prevent infestations. Field cultivation should be thorough, with frequent irrigation to maintain healthy soil conditions. After harvest, it's crucial to promptly remove and dispose of crop residues—either by burning or composting—to eliminate potential breeding sites for the pest.
**Yellow Trap Monitoring and Control**: Adult leafminers are strongly attracted to yellow color. Using yellow sticky traps is an effective method to monitor and reduce their population. Place 20 cm x 20 cm yellow boards coated with a layer of oil (such as machine oil mixed with a small amount of water) in the greenhouse. These traps can capture adults and help prevent them from laying eggs on the leaves.
**Chemical Control**: Due to its short life cycle, high reproductive rate, and rapid development of resistance, chemical control must be applied early and consistently. Focus on treating seedlings and young plants when the pest is most vulnerable. The best time for spraying is between 9 am and 11 am, when adult leafminers are active. Commonly used insecticides include 48% Loester EC diluted 800–1000 times, 25% Spinetoram EC at 1500 times, 1.8% Emamectin Benzoate at 3000 times, 40% Chlorpyrifos EC at 1000 times, 5% Rynaxypyr Emulsion at 3000 times, and 20% Confort at 4000 times. Always follow label instructions and rotate insecticides to delay resistance development.
By combining these methods, farmers can better manage Liriomyza sativae and protect their crops from economic losses. Regular monitoring and timely intervention are key to long-term success.
Camera System
PTZ: In the security monitoring application, it is the abbreviation of Pan/Tilt/Zoom, representing the pan tilt omnidirectional (up and down, left and right) movement, lens zoom and zoom control.
Fuvision's autonomous automatic PTZ intelligent tracking enables the camera to automatically PTZ drive its own PTZ and zoom lens, and automatically controls the PTZ Camera to rotate the PTZ in all directions and zoom the lens. It also conducts visual oriented automatic tracking for the locked moving target to ensure that the tracking target continues to appear in the center of the lens with a close-up image, so that the guards can see the information more clearly, It can also be used for obtaining evidence afterwards. The automatic PTZ tracking module makes up for the narrow field of vision of fixed camera monitoring, which is an essential function of a perfect security monitoring system.
The intelligent vision PTZ automatic tracking and monitoring system has the target analysis function, and is equipped with a high-resolution camera, a large magnification optical zoom lens and a high speed PTZ, which can automatically capture suspicious targets quickly and accurately. By setting the preset position intelligent vision PTZ automatic tracking monitoring system, the preset position scanning, automatic cruise and other functions can be realized, and many special requirements of intelligent monitoring can also be realized. In addition, the intelligent vision PTZ automatic tracking and monitoring system also has the advantages of beautiful appearance and strong concealment, so it is very suitable for public security intelligent monitoring applications in airports, squares, rail transit, villas, government administrative units, military regions, museums and other types of places.
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