Population dynamics of fall armyworm

Author: rtjl

August undefined, 2024

The 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 WebJan 1, 2003 · Significant differences were observed in both trials between fall armyworm fed transgenic and conventional maize for larval and pupal survival, weight, and development time. Survivorship of fall armyworm larvae was 28 v - v 70% on both transgenic cultivars, compared to 62 v - v 97% recorded on both conventional cultivars and artificial diet.

Genetic Analysis of Agronomic and Fall Armyworm-Resistance …

WebJun 1, 2006 · Population dynamics of the fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae) and its parasitoids in northwestern Argentina. Murua G, Molina … WebConsidering the above data, we plot and analyze system for assessing the impact of the interaction between maize and FAW from time to time days and system from time to time … church in marlboro nj

POPULATION DYNAMICS OF THE FALL ARMYWORM, …

WebAug 3, 2024 · The fall armyworm (Spodoptera frugiperda) is a moth pest native to the Western Hemisphere that has recently become a global problem, invading Africa, ... 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 … WebDec 1, 2004 · The biology of the host strains is poorly understood and this lack of knowledge precludes accurate predictions of fall armyworm population behavior in the field. ... H. … devry university columbus oh

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POPULATION DYNAMICS OF THE FALL ARMYWORM, …

WebAbstract The fall armyworm (FAW),Spodoptera frugiperda (Lepidoptera:Noctuidae),has invaded many countries in Africa and Asia since 2016,posing a major threat to world food security.Long-distance migration and strong reproductive ability form the biological basis of its rapid population expansion,but the relationship between the flight and reproduction of … WebBackground and Objective: Fall Armyworm (FAW) Spodoptera frugiperda J. Smith., is a new invasive pest in Africa and understanding the ecological dictates on population dynamics … devry university contact informationWebMap of the worldwide spread of fall armyworm since 2016 (as of May 2024). This map was compiled using information from a range of sources, including FAO, International Plant … church in marshall marshall tx

"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 … " - Population dynamics of fall armyworm

Population dynamics of fall armyworm

Modelling the Control of the Impact of Fall Armyworm …

WebThe model can be used to estimate the population dynamics of S. frugiperda in a particular area, according to the crop composition and disposal, to investigate the effects of temperature changes on the levels of fall armyworm populations, to define appropriate refuge areas in order to manage the evolution of insect resistance, and to define the best … 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. …

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WebOct 10, 2024 · Most of the models describing the population dynamics of fall armyworms have not been tested in the field. We developed a computational model that describes the … 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. ...

WebFeb 9, 2024 · Fig: The monthly estimated population growth rate in Australia shown throughout the year of 2024. Hot and cold temperatures, as well as dry conditions, restrict … Webvegetation in Vipos. This is the ﬁrst report of population dynamics of the fall armyworm and its parasitoids in northwestern Argentina. Key Words: Spodoptera frugiperda, …

WebAug 27, 2024 · The fall armyworm (FAW) is endemic to the Western hemisphere – where it is considered a major pest of maize – and invasive to Africa, Asia and Oceania since 2016, 2024 and 2024, respectively. FAW’s highly polyphagous behaviour and potential expansion of its host range in invaded habitats may put some non-crop flowering plants and their … WebApr 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.

WebMuruia et al.: Fall Armyworm Dynamics and Parasitoids in Argentina 175 POPULATION DYNAMICS OF THE FALL ARMYWORM, SPODOPTERA FRUGIPERDA (LEPIDOPTERA: …

WebFall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is a polyphagous insect pest of many important crops. To evaluate the influence of host … church in marlboro maWebJun 1, 2006 · The average parasitism percentage was 39.4% and 15% in T. Viejo and Vipos, respectively. Parasitoid abundance in both regions was similar, but diversity was different … church in marshall txWebOct 14, 2024 · The Existence and Population Dynamic of New Fall Armyworm Species Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae) in Yogyakarta, Indonesia. I … church in marshall mnWebStem 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 … devry university commencement 2022WebOct 26, 2024 · The fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith, 1797), known as an important agricultural pest around the world, is indigenous to the … devry university decatur georgiaWebOct 10, 2024 · The fall armyworm, Spodoptera frugiperda (J.E. Smith, 1797) (Lepidoptera ... which might influence the population dynamics and the competitive displacement of pest … church in marlboroughWebMar 3, 2024 · A population of 2 to 3 or more fall armyworms per square foot is a reasonable treatment threshold. As with other pests, timing is important. If infestations are detected … devry university cobb galleria ga