The oviposition preference of c. maculatus

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Webb9 apr. 2024 · (a,b) Difference in WBPH oviposition selection preference between the WT and d17 plants. Average (±SD) values from ten biological replicates. Significant differences were calculated using the chi-squared test for dependent samples, ** p < 0.01. (c) Difference in WBPH hatching rates between the WT and d17 plants. Webb21 maj 2016 · Under the preference-performance hypothesis, natural selection will favor females that choose oviposition sites that optimize the fitness of their offspring. Such a preference-performance relationship may entail important consequences mainly on fitness-related traits. We used the well-characterized cactus-Drosophila system to …

Cowpea Weevil Callosobruchus maculatus (Fabricius 1775) (Insecta …

WebbThe presence of positive genetic correlations between oviposition or feeding preference for hosts, ... Genetic correlations were found to be positive for all characters in both populations of C. maculatus (range 0.132 to 0.542). Keywords: Callosobruchus maculatus; genetic variation; larval performance; oviposition preference; plant ... Webb4 juli 2024 · ABSTRACT. Callosobruchus maculatus is an important field-to-store pest that causes close to 100% losses in stored produce. This study aimed at assessing the resistance of cowpea genotypes to C. maculatus infestation. Thirteen cowpea advanced breeding lines pre-selected on the basis of their high grain yield, and three released … immediate eviction notice south carolina

Oviposition decisions in the seed beetle, Callosobruchus …

Webb31 juli 2024 · Compared with other cultivars tested, oviposition preference of C. maculatus was the lowest on Nekador. The developmental time of C. maculatus differed from … Webbthat host species preference was induced with C. macu-latus conditioning, but not with C. chinensis condition-ing, rather than with both C. maculatus and C. chinensis conditionings. This pattern is identical to that of male mate reward learning, in which C. maculatus condition-ing induced a preference for the host species but C. chi- WebbHowever, mated C. maculatus females laid eggs on cowpea seeds treated with monoterpenoids 3 weeks before to the day of experimentation. The monoterpenoids did not exhibit residual toxicity to the cowpea beetles. These monoterpenoids could be further investigated for the postharvest management of seed beetles of grain legumes. list of skills to mention on resume

Physicochemical traits of Vicia faba L. seed cultivars affect ...

Oviposition decisions in the seed beetle, Callosobruchus …

Webb31 jan. 2011 · We found that lines of C. maculatus raised on a novel food resource (mung beans) expanded their host range and evolved a new preference for this resource over only ten generations of selection, and in the same short time span also showed reduced preference for the ancestral host (black-eyed beans). WebbThe oviposition rate of C. maculatus was greater than C. rhodesianus in both experiments. Both weevil species were able to distinguish between clean and egg-laden ... The preference for the clean seed was much greater when the egg-laden seed had 12 eggs than when it had 6 (mean difference of 9.8 and 3.7 eggs immediate exchangeWebbCallosobruchus maculatus (Bruchidae: Coleoptera) is a serious insect pest of stored grain that attacks many types of legumes in field and stored environment. A female of C. … immediate eviction arizona

"WebbResults: Compared with other cultivars tested, oviposition preference of C. maculatus was the lowest on Nekador. The developmental time of C. maculatus differed from 40.34 … " - The oviposition preference of c. maculatus

The oviposition preference of c. maculatus

Webb3 apr. 2024 · Cajanus scarabaeoides (L.), Thouars, is the closest wild crop relative of cultivated pigeonpea, Cajanus cajan (L.), Millspaugh. This wild pigeonpea has several insect-resistance mechanisms, particularly to Helicoverpa armigera (Hübner). Estimated economic losses in the semi-arid tropics from H. armigera damage in pigeonpea are … Webb15 mars 1981 · Abstract The bruchid, Callosobruchus maculatus Fabr., chemically marks its host seeds with each oviposition event. Females reared on azuki beans laid a greater percentage of their eggs on that host than did females reared on pigeon peas, when both hosts were provided as oviposition substrates.

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WebbIn this study, we evaluated the female oviposition preference and larval performance of C. medinalis on six insect-resistant and six insect-susceptible rice genotypes. Female moth choice and no-choice oviposition preferences were studied. The number of eggs laid on the leaf varies among selected rice genotypes; ... WebbCallosobruchus maculatus can complete one generation within 3-4 weeks at 30°C and average relative humidity of 30% in the laboratory (Beck and Blumer 2014). Generation time also depends on the species of legume.

Webb1 sep. 2008 · In the current study, by clearly designating individuals as a dumper or nondumper in a population within 24 h, the life-history traits of female weevils, Callosobruchus maculatus (F.), with different oviposition characters were compared, and no significant differences were observed. WebbWe report on three experiments in which we tested the hypotheses that (a) female C. maculatus distribute eggs relatively uniformly when they encounter multiple seeds of the …

WebbComparisons between closely related species in different habitats provide a window into understanding how biotic factors shape evolutionary pathways. Weevils i Webb1 feb. 1993 · The presence of positive genetic correlations between oviposition or feeding preference for hosts, and performance on those hosts, ... Genetic correlations were found to be positive for all characters in both populations of C. maculatus (range 0.132 to 0.542). Callosobruchus maculatus, genetic variation, ...

Webb1 mars 2015 · The cowpea beetle, Callosobruchus maculatus, is a highly damaging and destructive pest of pulse seeds, which is widely distributed in tropical and subtropical areas.In this research, the effects of the seeds of six pulse species (broad bean, cowpea, lentil, green gram, chickpea, and soybean) were assessed on life history and energy …

Webb1 jan. 2024 · Callosobruchus maculatus showed the highest preference for egg-laying on cultivar Mahta as compared to other tested cultivars. Oviposition preference of the pest negatively correlated with the seed size and weight, and positively correlated with the starch content and the seed coat phenolics. immediate eviction missouriWebb1 jan. 2024 · The host preference of pulse beetle, C. maculatus to selected host grains were evaluated under ... Cowpea and green gram were most preferred hosts for C. maculatus in terms of oviposition, ... immediate exchange strategyWebb19 mars 2024 · The outcomes of this study represented that red kidney bean grains (22.54%) contained more egg-laying preference for C. maculatus as compared to other tested legumes while desi chickpea grains (14 ... list of skin diseaseWebb1 juni 1975 · Callosobruchus maculatus (F.) prefers smooth- to rough-seeded varieties and cheeks to other areas of the seeds for oviposition on cowpeas. It does not oviposit on … list of skill university in indiaWebb13 apr. 2024 · Overall mean temperatures were around 15°C at low altitude and between 10 and 12°C at high altitude sites (Tables S1, S2); mean relative humidity was around 95% at low altitude and around 89% at high altitude sites, measurements taken at night. Mosquitoes. In total, 3316 mosquitoes were collected in the CDC traps, and 68 in the … immediate eviction notice ontarioWebb1 jan. 2024 · A free-choice experiment was performed to evaluate the oviposition preference of C. maculatus (five replicates) on the seeds of chickpea cultivars tested. … list of skills that look good on a resumeWebb16 nov. 2024 · The optimum temperature for oviposition is high in C. maculatus, about 30-35°C and low in C. chinensis, 23°C. As the eggs are laid, they are firmly glued to the … *** immediate exit due to unhandled exception