Characteristic damage of brown planthopper
WebNilaparvata lugensStål, the Brown Planthopper (BPH), is a major pest in rice. The lycosid Pardosa pseudoannulata(Bösenberg & Strand) and the linyphiid Atypena formosana(Oi) are the early dominant predators in irrigated rice. Later, predatory bugs, including the mirid Cyrtorhinus lividipennisReuter, become dominant. WebJun 1, 2024 · In Brown Planthopper (BPH) has caused losses of rice production in Java due to excessive use of pesticides. This research aims to determine the relationship between crop damages caused by BPH...
Characteristic damage of brown planthopper
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Webbrown planthopper and eliminate them before the violence outbreak. This method is very useful for the farmers and agricultural sector. The results of the experiment, the population of brown planthopper which has been detected in this research, based on the assumption indicated the detection of brown planthopper at average of 69.76 % of all insects. WebThe damage is caused by the whitebacked planthopper, Sogatella furcifera. Adults are about 3 mm long, light brown to black, and have translucent forewings with a …
WebFeb 2, 2024 · [15] Yang C M,Cheng C H,Chen R K.Changes in spectral characteristics of rice canopy infested with brown planthopper and leaf folder [J].Crop Science,2007,47(1): 329-335. [16] Liu Z Y,Wu H F,Huang J F.Application of neural networks to discriminate fungal infection levels in rice panicles using hyperspectral reflectance and principal … WebNov 30, 2024 · The whitebacked planthopper (WBPH), Sogatella furcifera (Horváth: Delphacidae, Sogatella ), is one of the most destructive pests of rice crops and is widely distributed in Asian countries [ 1, 2 ], causing serious damage to rice mainly by sucking at the base of rice stems and spreading viral diseases [ 3, 4 ].
WebSep 29, 2014 · The brown rice plant hopper (BRPH), Nilaparvata lugens (Stal), is one of the most important insect pests affecting rice and causes serious damage to the yield and quality of rice plants in Asia. This study used bionic electronic nose technology to sample BRPH volatiles, which vary in age and amount. Principal component analysis (PCA), … WebJul 14, 2011 · The brown planthopper (BPH) Nilaparvata lugens (Stal) is a serious pest of rice in Asia. Development of novel control strategies can be facilitated by comparison of …
WebNov 17, 2024 · Bionomics of the white-backed planthopper, Sogatella furcifera (Homoptera: Delphacidae), and its damage to rice plant and kernels. Bulletin of the Shimane Agricultural Experiment Station, No. 22:82-99. Google Scholar. Ooi PAC, 1979. Insecticide dusts provide only short-term control of whitebacked planthoppers.
peters township middle school swimmingWebDamage is caused by the brown planthopper, Nilaparvata lugens. It can be a problem in rain-fed and irrigated wetland environments, areas with continuous submerged conditions in the field, high shade, and … peters township municipal authority paWebTang Jian. 1998: The virulence characteristics of various populations of brown planthopper Xinan Nongye Daxue Xuebao. Oct; 205: 446-449 Oct; 205: 446-449 Lu ZhongXian; Yu XiaoPing; Tao LinYong; Chen JianMing 1998: Virulence characteristics of various populations of brown planthopper (Nilaparvata lugens) Journal of Southwest … start a life in waWebOct 26, 2016 · 1 Motivation and Related Work. Brown plant hopper (BPH) is one of the most dangerous insect for rice plants. It harms rice plants by directly feeding on them and … star tainted generatorWebOct 1, 2015 · For example, the brown planthopper was a relatively minor rice pest prior to the green revolution, when increased use of insecticides disrupted the ecological balance between the brown planthopper ... start a lingerie businessWebBrown planthopper (BPH) is the most destructive pest of rice in Asia. The BPH resistance in the introgression line IR65482-17-511-5-7 (IR65482-17) is derived from the wild rice species Oryza australiensis. An F 2:3 population from a cross between Zhenshan 97 (ZS97) and IR65482-17 was used to map three quantitative trait loci (QTLs) for seedling … peters township municipal buildingWebThe rice brown planthopper, Nilaparvata lugens (Stal), major pest of rice in most of Asia, underwent optimum development at 25 and 29°C, but 33°C was detrimental to all life … peters township middle school pa