Population dynamics of fall armyworm
WebFeb 4, 2024 · The fall armyworm, Spodoptera frugiperda (J.E. Smith) is native to the Americas and a major pest of corn and several other crops of economic importance. ... WebSubstantial fall armyworm captures were consistently observed in traps located in an urban habitat (Fig. 3). Traps15 and 16 were placed in a small park surrounded bysuburban …
Population dynamics of fall armyworm
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WebEgg mass of the fall armyworm, Spodoptera frugiperda (J.E. Smith). Photograph by James Castner, University of Florida. Larvae: There usually are six instars in fall armyworm. Head … Weblarval population of fall armyworm was commenced during 35th SMW and increased gradually to a peak of 1.67 larvae plant-1 during 41st SMW. The maximum plant …
WebThe fall armyworm Spodoptera frugiperda is a worldwide serious agricultural pest, and recently invaded South China. Sex pheromone can be employed to monitor its population … WebIn order to know the population dynamics of the fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), and its parasitoids in northwestern Argentina, larvae were weekly …
WebSep 5, 2024 · The fall armyworm (FAW) (Spodoptera frugiperda) (J. E. Smith) ... Prediction of pest population dynamics is critical for assessing the risk of pest outbreaks, and … WebOct 4, 2024 · fall session of 2024 in Sindh province (Naeem-Ullah et al 2024). Since then, it has spread to many parts of the country causing devastation to maize production. Citation: Ahmad, S.; Ibrahim, M.A. Influence of Meteorological Factors on Population Dynamics of Fall Armyworm, Spodoptera frugiperda, Lepidoptera: Noctuidae and its
WebNov 15, 2024 · The first fall armyworm (FAW; Spodoptera frugiperda) attack in Yunnan, China, occurred in January 2024. Because FAW lacks diapause ability, its population outbreaks largely depend on environmental conditions experienced during the overwinter months. Thus, there is an urgent need to make short-term predictions regarding the …
WebMuruia et al.: Fall Armyworm Dynamics and Parasitoids in Argentina 175 POPULATION DYNAMICS OF THE FALL ARMYWORM, SPODOPTERA FRUGIPERDA (LEPIDOPTERA: … how icky crosswordWebvegetation in Vipos. This is the first report of population dynamics of the fall armyworm and its parasitoids in northwestern Argentina. Key Words: Spodoptera frugiperda, … high functioning autism therapyWebJan 23, 2024 · Since 2016, the fall armyworm (FAW), Spodoptera frugiperda , has undergone a significant range expansion from its native range in the Americas, to continental Africa, Asia ... This study has contributed to our early understanding of FAW movement and population dynamics in Australia. howick wine tastingThe research was carried out at the Abuja Campus of the University of Port Harcourt, Faculty of Agricultural Science Teaching and Research farm located on latitude 4° 54′ 9 N and longitude 6° 55′ 13 E with an elevation of approximately 20 m above sea level and an annual rainfall ranging from 2000 to 2680 mm. … See more A plot size of 3298 m2 was cleared and ploughed; afterward, thirty six (36) ridges were made for the planting. Three varieties of maize grains (an improved variety Oba Super 98 obtained from Agricultural Development … See more The data collected were entered and stored in a spreadsheet of Microsoft Excel and subjected to analysis of variance (ANOVA), using SPSS … See more The sex pheromone of FAW was placed at the centre of a white triangular Delta trap with a sticky pad manufactured by Koppert Biological Systems Company, USA. The pheromone contained … See more Data collection of the (FAW) caught by the pheromone-baited trap was done daily between 06.00 and 07.00 h, and all insects seen in each trap … See more howick youth orchestraWebApr 1, 1992 · Mating by the fall armyworm, Spodoptera frugiperda (J. E. Smith), was studied in the laboratory. With the night cycle beginning at 2100 hours, 73–84% . ... Insect Biology and Population Management Research Laboratory, USDA–ARS, Tifton, Georgia 31793–0748. Search for other works by this author on: Oxford Academic. PubMed. high-functioning autism talking to selfWebAug 1, 2004 · Pheromone traps are a convenient means of obtaining a "snapshot" of the adult fall armyworm population density at a given time and place (Pair et al. 1986, … howick yacht clubWebStem borer (SB) and more recently, fall armyworm (FAW) are serious economic pests in maize production in sub-Saharan Africa. It is hypothesized that SB-resistant germplasm may confer resistance against FAW. However, the performance of SB-resistant lines in hybrid combinations and the inheritance of FAW-resistant traits under variable FAW infestations … howick whats happening