Population dynamics of fall armyworm
WebThe fall armyworm (FAW),Spodopterafrugiperda(J.E.Smith) is native to tropical and subtropical regions of the Americas (Sparks 1979),where it is recognized as one of the most damaging crop pests.FAW breeds continuously in tropical and subtropical regions of the Americas,but also migrates into temperate North America for summerbreeding.The … 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 …
Population dynamics of fall armyworm
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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, … 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 …
WebJan 10, 2024 · For example, the recent invasion of fall armyworm (Spodoptera frugiperda JE Smith) has become a major threat to food security in the region (Day et al., 2024). The fall … 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 …
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, ... WebAug 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, …
WebJan 3, 2024 · The fall armyworm population found on sunn hemp was 89, 94, and 90% smaller than that found on sorghum-sudangrass for the Quincy 2012, Citra 2012, and Citra ... additional research is needed to determine the influence of cover crops on the population dynamics of fall armyworm and thereby the potential effect of changes in cover crop ...
WebFeb 4, 2024 · Fall armyworm (Spodoptera frugiperda), a highly destructive and fast spreading agricultural pest native to North and South America, poses a real threat to … eastwood corporationWebApr 8, 2024 · Nagoshi, R. N. et al. Genetic characterization of fall armyworm infesting South Africa and India indicate recent introduction from a common source population. PLoS … cummins 5.9 freeze plug kitWebFall armyworm has many natural enemies that help reduce their population levels. These include generalist predators (ants, earwigs, etc.), ... Maintaining beneficial populations will … eastwood cut off toolWebSeveral key characteristics of armyworm population dynamics are as follows:(1) The fluctuation of the overwintering generation of armyworms was slightly different in … cummins 5.9 isb 300 hpWebJul 6, 2024 · Similarly volatile emitted by sweet potato tuber was detected and used for insect infestation study. ii) Studied the lifecycle of fall … eastwood cylinder head porting kitWebThe fall armyworm [FAW; Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae)], is considered a serious invasive pest that poses a serious threat to world food security. It can completely devastate a whole country's cereal crops. Therefore, the present work is the 1st field trial in Egypt to elucidate some ecological aspects of S. frugiperda on maize plants … cummins 5.9l b series power vs rpm curveThe 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 cummins 5.9 fuel in oil