Early prevention of rice black streaked dwarf disease
Rice black-streaked dwarf disease is a rice virus disease transmitted by mediators of Laodelphax striatellus. This year, the average amount of gray fly aphids per acre in the winter weeds in our province is 3,000-4,000 heads, which is higher than usual, and the occurrence period is not neat. Rice black-streaked dwarf disease is expected to re-emerge in the affected areas, especially in the areas that were heavier in recent years and have recently expanded in recent years. In order to prevent the serious occurrence of rice black-streaked dwarf disease, disease-endemic areas must strive to control the incidence of the plant from 10% to 3%. The prevention and control technologies are introduced as follows: Emergency preventive measures “regime control and short control†method This method is mainly used in disease endemic areas to fundamentally reduce and control the occurrence of viral diseases. By killing Laodelphax striatellus with poisonous insects in time, they can be killed on the host of poisonous sources or when they just moved into rice plants to prevent the occurrence of black-streaked dwarfism. First of all, before and after the migratory locust migration from the wintering host to the rice field and the migration from the early rice field to the late rice field, the occurrence of black-streaked dwarf diseases, wheat fields, and winter sloppy fields such as amaranth and valerian, as well as early rice fields are treated 1-2 times. Reduce the amount of insects that move outside. In the middle and late May, spraying 1-2 times a day in Putian. The second is the critical period of rice susceptible to black-streaked dwarf disease (rice 1-5 leaf stage), spraying 2-4 times in succession, 3-5 days apart, eliminating the Scutellaria militaria moving into Putian and reducing seedlings. The chance of contracting black streaked dwarf disease. In addition, we should select field plots far from the source of poisons, and appropriately increase the density of planting and planting in paddy field. Early-planting late rice around the onset of early rice can also be applied to protect against the migration peaks of adult migratory locusts. In the general epidemic area, the prevention and control of SBPH in the rice paddies 1-5 at the leaf stage is mainly done. Can be used imidacloprid single agent (such as Dagong Chen, Xiejing, Shi Kejing, Lixue Ling, etc.) to control the planthopper, imidacloprid per acre in the effective amount of 1.5-2 grams. Such as using 10% wettable powder, 15-20 grams per acre, add 50 kg of water spray, wheat field appropriate to increase the amount of water. Timely planting method This method is mainly applied to the field where the rice field has been seriously affected and the disease rate exceeds 7% within 20 days after the transplanting of hybrid rice. Timely removal of the Daejeon plant cluster, half of the Kejian strains were transplanted in the holes left by the diseased plants, and then the quick-acting fertilizers were added appropriately to promote the growth of the rice seedlings. Loss of production. Continuous control technology shall be adopted in emergency prevention in disease-endemic areas, after basic control of the disease, it shall be based on ecological regulation, combined with other pest control, and a continuous control technology that combines the measures of “control and prevent shortfall†in one, so that the disease incidence rate will continue. Drop and stay below 3%. The technical points are: selection of resistant and resistant varieties, such as "Xieyou 963", "Hyouyou 2" and "Shanyou 63" and other excellent hybrid rice combinations with high resistance to the disease. Secondly, we must do the work of "controlling quack-fighting and short-cutting" in front of 1-5 leaves of paddy fields (refer to emergency control measures in the field for prevention and control of paddy fields) and appropriately increase the seeding and transplanting density of hybrid late rice within 15 days after transplanting in field. Timely removal of the diseased plant, planting and planting.
At present, the functions of smart cameras mainly include video monitoring, voice dialogue, security alarm and video review.
Video surveillance
Video surveillance is the core and basic function. The current intelligence is that the mainstream resolution of cameras is 1080P HD, which requires a high level of network. Most home cameras transmit data through WiFi, which is convenient to move. Some stores also install such cameras, which are mainly used to monitor the main points such as the cash register. This kind of camera that does not need to move can use the network cable, and the signal will be more stable.
Voice conversation
Most cameras on the market are equipped with the function of voice conversation. Users can directly have voice conversations with their families through the APP. Of course, although many devices on the market support this function, noise elimination, uneven echo and other situations still occur frequently and need to be improved continuously.
Security alarm
The security alarm function is mainly used to record vibration, special noise and other vibrations, and alarm through APP.
Video review
At present, smart cameras on the market all provide the function of video review, but most of them only provide the function of alarm review, that is, the video recorded after the alarm occurs can be reviewed, and the rest of the time can not be viewed, and it is a paid function. Few manufacturers can provide uninterrupted video retrieval function. The reason is simple: the cost of video storage server is too high. Video belongs to large flow files. If you want to achieve uninterrupted recording, storage and review, the cost will be many times or even dozens of times higher.
4G intelligent camera
The deployment of wired network is troublesome or the coverage of WIFI is limited. For example, security monitoring of mature commercial offices or new indoor and outdoor blank areas in residential areas, video monitoring is required for outdoor construction sites, and 4G intelligent cameras are required for the deployment of wired network is troublesome and scattered.
What is 4G PTZ WiFi Camera
Camera, also known as computer camera, computer eye and electronic eye, is a video input device, which is widely used in video conference, telemedicine and real-time monitoring. Ordinary people can also talk and communicate with each other through the camera on the network with video and voice. In addition, people can also use it for various popular digital images, video and audio processing.
Smart cameras are also called smart security cameras. Security is one of the main functions of smart cameras at present. When there is something happening at home, the camera will immediately push a message on the mobile phone to remind users. According to the statistics of the big data of Aurora, as of February 2019, the number of users of smart camera APP in the industry was 49.81 million, an increase of 44.9% over the same period last year. This shows that in the past year, people's demand for remote home and store watching has shown an upward trend, and smart cameras have also become a common household device.At present, the functions of smart cameras mainly include video monitoring, voice dialogue, security alarm and video review.
Video surveillance
Video surveillance is the core and basic function. The current intelligence is that the mainstream resolution of cameras is 1080P HD, which requires a high level of network. Most home cameras transmit data through WiFi, which is convenient to move. Some stores also install such cameras, which are mainly used to monitor the main points such as the cash register. This kind of camera that does not need to move can use the network cable, and the signal will be more stable.
Voice conversation
Most cameras on the market are equipped with the function of voice conversation. Users can directly have voice conversations with their families through the APP. Of course, although many devices on the market support this function, noise elimination, uneven echo and other situations still occur frequently and need to be improved continuously.
Security alarm
The security alarm function is mainly used to record vibration, special noise and other vibrations, and alarm through APP.
Video review
At present, smart cameras on the market all provide the function of video review, but most of them only provide the function of alarm review, that is, the video recorded after the alarm occurs can be reviewed, and the rest of the time can not be viewed, and it is a paid function. Few manufacturers can provide uninterrupted video retrieval function. The reason is simple: the cost of video storage server is too high. Video belongs to large flow files. If you want to achieve uninterrupted recording, storage and review, the cost will be many times or even dozens of times higher.
4G intelligent camera
The deployment of wired network is troublesome or the coverage of WIFI is limited. For example, security monitoring of mature commercial offices or new indoor and outdoor blank areas in residential areas, video monitoring is required for outdoor construction sites, and 4G intelligent cameras are required for the deployment of wired network is troublesome and scattered.
The 4G intelligent camera, also known as 4G camera and IPC, is mainly used for security video surveillance. Its feature is that the 4G communication module is built into the universal surveillance camera, allowing the camera to be directly connected to the network through the base stations of the three operators, breaking the limitations of the original deployment of network cables or WIFI connection, so as to achieve the purpose of remote monitoring.
Professional 4G PTZ WiFi Camera manufacturer is located in China, including Full Color Night Vision Two Camera,Smart Wifi Zoom Cctv ,360 Degree Ip Wireless Camera, etc.
4G PTZ WiFi Camera,Full Color Night Vision Two Camera,Smart Wifi Zoom Cctv ,360 Degree Ip Wireless Camera,PTZ Outdoor Camera
Shenzhen Fuvision Electronics Co., Ltd. , https://www.outdoorsolarcamera.com