In May, we must pay close attention to the prevention and treatment of walnut plant diseases and pests
1. Walnut flower buds, walnut buds, also known as Walnut Mosquitoes, flower aphids, aphids. One generation occurs every year. In the middle and late May of walnut, when the male inflorescence and female flower buds are first opened, methacetin solution can be sprayed in the forest. Because the adult emergence time is different, it must be sprayed once every 3 to 4 days to effectively control the adults. Fly on the tree hazard. Canopy spray can also be used, that is, with speed kill Xiao Ding, water insecticide double or acetamidophos, insecticide double or enemy kill liquid spray control.
2. The spotted moth, also known as the small caterpillar, occurs four generations a year. The pupa is wintering under the weeds in the surface soil, and is eclosed in late May. The adult of the first eclosion is hidden on the weeds in the forest during the day or flies around the ground. 1 ground spraying: use of adults stay on the ground when the mating, can be killed quickly kill or acephate phosphorus spray. 2 Light trapping: The black light can be installed to trap and kill the moth. It must be turned on when it is dark. Turn off the lamp before the daylight to dispose of the moth. 3 canopy spraying: spraying with fentanide or deltamethrin for prevention and control, using larvae in the morning at 7 to 8 o'clock hanging silk drooping spray.
3. The walnut community moth, also known as walnut caterpillar, is larvae. In late April, the adult ecloses were larvae. The damage period of larvae was from mid-May to late June. 1 Biological control: release of the peak of the red eye during the first generation of eggs, or the spraying of Beauveria bassiana during the larval period. 2 Light trapping: Black light can be trapped and killed at night during each adult stage. 3 canopy spray: rapid extinguishment of butyl or deltamethrin spray to treat larvae. In the fourth flood season, artificial digging can be used to reduce adult emergence.
IT02S, is JRT new product in the early 2019, which is a single-point LiDAR sensor, also called tof distance sensor. With a micro size of 46x17x7mm, customers can widely use in many Laser Measurement Solutions. The lidar distance sensor can measure 12m short-range with high frequency up to 100hz. It's great for Unmanned Aerial Systems. If you need us send you data sheet and spec for this products, offering sample as well, pls tell us, thank you.
Accuracy
+/-8cm@ 0.1~3.5m
Measuring Unit
cm
Measuring Range (without Reflection)
0.1-12m
Measuring Time
0.1~3 seconds
Measuring Frequency
100 Hz
Laser Class
Class II
Laser Type
650nm, <1mw, red
Weight
About 5g
Voltage
DC2.5V~+3.5V
Serial Level
TTL 3.3V
Size
46*17*7mm
Operating Temperature
0-40 ℃ (32-104 ℉ )
Storage Temperature
-25~60 ℃ (-13~140 ℉)
IT02S Mini Tof Sensor Module Diagram
Parameters of IT02S:
IT02S – the High performance-price ratio measurement solution
* low power consumption of single transmit and single receive
* small size: 46*17*7mm
* low cost
* proffessional techinical support
2D Laser Distance Sensor,2D Lidar Sensors,Tof Lidar Distance Sensor, Flight Distance Sensor
Chengdu JRT Meter Technology Co., Ltd , https://www.infrareddistancesensor.com