[PDF] Top 20 Resistance of maize landraces from Brazil to fall armyworm (Lepidoptera: Noctuidae) in the winter and summer seasons

... ABSTRACT: The fall armyworm (Spodoptera frugiperda) is a major maize (Zea mays ...pest in Brazil, whose larvae cause losses from plant emergence to harvesting ... See full document

... forest) of about 3ha was dominated by palm trees, mainly babassu (Attalea speciosa ...Mart.) and tucum (Astrocarium vulgare Mart.). The species richness and abundance of predatory wasps ... See full document

... - Fall armyworm, Spodoptera frugiperda (J. E. Smith), is the most important maize insect pest in Brazil and its damage can reduce yield up to ...34%. The ... See full document

... evaluated the effect of damage caused by S. frugiperda on yield of maize hybrids and their conventional and isogenic transgenic versions, with different Bt toxins, in ... See full document

... The maize (Zea mays L.) production in Brazil can be explored throughout the year and their major use is for animal ...increase in demand for human consumption (industrial ... See full document

... ABSTRACT: Fall armyworm, Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) is one of the main pests in maize crop with developing resistance to ... See full document

... Among the insects infecting the maize (Zea mays L.) crop in Brazil, the fall armyworm (Spodoptera frugiperda Smith, 1797, Lepdoptera: Noctuidae) is ... See full document

... varieties of maize in the United States, the difference of the force of rupture between varieties and even between grains of the same variety, ... See full document

... In summer, in the coccolith CCA diagram ...related to sampling depth and temperature while axis 2 mainly related to ammonium ...species, and Emiliania huxleyi, an ... See full document

... with the application of virus, parasitism also contributed to suppress the insect pest with an average of ...due to parasitoid decreased with time (Figure 2). The opposite ... See full document

... - The larval endoparasitoid Microplitis mediator Haliday is described for the first time in the Neotropical Region, parasitizing the wheat armyworm Mythimna (Pseudaletia) sequax ... See full document

... nitrogen and carbohydrate fractions were influenced by the total nitrogen and carbohydrate contents of each pasture, the seeding time and the production ...fractions ... See full document

... behavior of local cultivars and varieties reflects the sum of their genetics, the effect of the environment and the interaction between genetics and ... See full document

... detection of H. armigera after its introduction could be attributed to the high similarity between this species and ...as to the scarce number of studies for the ... See full document

... that the populations of P. infestans in Chile are only of the A1 (asexual) mating type; no sexual (A2) mating types have been reported in Chile ...change to genotypes ... See full document

... evaluates the factors that have contributed to the decline in earnings inequality in Brazil, for the first time in decades, by means of a flexible ... See full document

... composition and grain quality are important specific traits in LRs phenotyping, and its variability can help to identify germplasm suitable for the development of new cultivars ... See full document

... force to their hosts (Wilson & Cotter 2009). The costs of this interaction may be expressed in different ways, such as a reduction in reproductive fitness, reduced survival or ... See full document

... evaluations of the foliar lesions of S. frugiperda in maize were conducted at every five days, from 12 DAE of plants, in the central leaves of ... See full document

... lower of the hectoliter and 1000 grain mass was recorded in the check treatment as compared to the lower mineral fertilizer ...regards the nitrogen content ... See full document