Population dynamics of fall armyworm

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August undefined, 2024

WebStem 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 … 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.

Frontiers Revisiting fall armyworm population movement in the …

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 … 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 … sharechat agfx

Biotic Potential Induced by Different Host Plants in the Fall Armyworm …

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 … 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 … WebJan 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. share chat airtel

Population dynamics and occurrence of Spodoptera frugiperda …

Impact of invasive fall armyworm on plant and arthropod …

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. ... 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 ... share chat airtel africaWebOct 10, 2024 · The fall armyworm, Spodoptera frugiperda (J.E. Smith, 1797) (Lepidoptera ... which might influence the population dynamics and the competitive displacement of pest … pool lounge chair cushion covers

"WebThe fall armyworm (Spodoptera frugiperda, FAW) ... Population dynamics and the status of pests in the field are significantly influenced by demographic studies [17,18]. Although maize is FAW’s preferred crop , other crops can serve as … " - Population dynamics of fall armyworm

Population dynamics of fall armyworm

WebSeveral key characteristics of armyworm population dynamics are as follows:(1) The fluctuation of the overwintering generation of armyworms was slightly different in … WebFall armyworm has many natural enemies that help reduce their population levels. These include generalist predators (ants, earwigs, etc.), ... Maintaining beneficial populations will …

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WebJan 19, 2024 · Fall armyworm case-study. The damaging and highly invasive crop pest, FAW spreads widely by means of atmospheric dispersal, and reached Australia in February 2024 (Maino et al., 2024). Subsequently, it was expected that FAW could migrate to New Zealand. The first detections of FAW were made in March 2024 in New Zealand (Biosecurity New … WebJun 1, 2006 · Population dynamics of the fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae) and its parasitoids in northwestern Argentina. Murua G, Molina …

WebNov 24, 2024 · The larval 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 … 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

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 … WebExplore millions of resources from scholarly journals, books, newspapers, videos and more, on the ProQuest Platform.

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 …

WebPush and pull technology for the management of Fall armyworm Spodoptera frugiperda in maize Aug 2024 - May 2024 ... Rhinoceros beetle, Red palm weevil and fruit flies) Aug … pool lounge chairs lowe\u0027sWebFall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is a polyphagous insect pest of many important crops. To evaluate the influence of host … pool lounge chair metal wickerWebFall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is a polyphagous insect pest of many important crops. To evaluate the influence of host plants on the biology and survival of the Pakistani population of S. frugiperda, we pool lounge chair head pillowsWebJan 1, 2024 · The temporal spread of FAW within several countries in the Asia-Pacific region has been documented over the last two years. Through an extensive study of migration … sharechat amma songs tamilWebBackground: This study was conducted to generate baseline information on population dynamics of Fall Army Worm (FAW) in cassava‑maize intercrop for management … sharechat airtel africaWebDec 1, 2024 · The fall armyworm larvae began infesting the crop from the 29 SMW and their numerical th abundance peaked during the 33 SMW with a mean population of 26.50 … pool lounge chair pillowsWebJan 13, 2024 · During The Period Of Investigation It Was Observed That The Initial Average Population Of Fall Armyworm In The First Week Of January Was 2.05 At 30 Days Old Crop … pool lounge chair floats