نتایج جستجو برای: larval growth

تعداد نتایج: 839307  

2013
E. K. D’Alessandro S. Sponaugle R. K. Cowen

Selective mortality during the early life stages in marine organisms can affect the magnitude and composition of recruitment, yet these processes have not been examined in economically important predatory coral reef fishes. Utilizing 3 different stage-specific sampling techniques (shipboard plankton tows, larval light traps, juvenile surveys/seines), we repeatedly sampled multiple cohorts of 3 ...

Journal: :Parasite 1999
U R Rao M R Chapman R N Singh K Mehta T R Klei

Transglutaminases (E.C. 2.3.3.13) are a family of Ca(2+)-dependent enzymes that stabilize protein structure by catalyzing the formation of isopeptide bonds. A novel form of transglutaminase has been identified and characterized that seem to play an important role in growth, development, and molting in adult and larval stages of filarial nematodes. The aim of this study was to identify the ubiqu...

2016
V. K. Rahmathulla Padmanaba Nayak

Nutrition is the important physiological process, which plays a prime role in the growth and in turn it affects the productivity of the silkworm. The supplementation of different materials along with mulberry leaves to silkworm results higher yield because the production of quality silk mainly depends on larval nutrition. The influence of antibiotic on growth and development of silkworm larva a...

2015
Amy L. Gresser Lisa M. Gutzwiller Mackenzie K. Gauck Volker Hartenstein Tiffany A. Cook Brian Gebelein Justin Kumar

Organismal growth regulation requires the interaction of multiple metabolic, hormonal and neuronal pathways. While the molecular basis for many of these are well characterized, less is known about the developmental origins of growth regulatory structures and the mechanisms governing control of feeding and satiety. For these reasons, new tools and approaches are needed to link the specification ...

Journal: :Environmental entomology 2010
Benjamin C Legaspi Jesusa Crisostomo Legaspi

Invasive pests, such as the cactus moth, Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae), have not reached equilibrium distributions and present unique opportunities to validate models by comparing predicted distributions with eventual realized geographic ranges. A CLIMEX model was developed for C. cactorum. Model validation was attempted at the global scale by comparing worldwide distrib...

Journal: :Journal of the Marine Biological Association of the United Kingdom 1937

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
مهسا خسروی دانشجوی کارشناسی ارشد بیماری شناسی گیاهی، دانشکدة کشاورزی، دانشگاه یاسوج محمد عبدالهی دانشیار بیماری شناسی گیاهی، گروه گیا ه پزشکی، دانشکدة کشاورزی، دانشگاه یاسوج مهدی صدروی دانشیار بیماری شناسی گیاهی، گروه گیا ه پزشکی، دانشکدة کشاورزی، دانشگاه یاسوج

to evaluate the effect of metarhizium anisopliae and trichoderma harzianum on root knot nematode (meloidogyne javanica) in tomato, experiments was performed under controlled as well as greenhouse conditions. volatile and non-volatile tests showed that there is no inhibitory effect against every one of each biocontrol agents. on the larval mortality and inhibition of egg hatching, a laboratory t...

2015
Thomas S. Lisse Elizabeth A. Brochu Sandra Rieger

The zebrafish larval tail fin is ideal for studying tissue regeneration due to the simple architecture of the larval fin-fold, which comprises of two layers of skin that enclose undifferentiated mesenchyme, and because the larval tail fin regenerates rapidly within 2-3 days. Using this system, we demonstrate a method for capturing the repair dynamics of the amputated tail fin with time-lapse vi...

2014
Lina De Smet Dieter De Koker Alyse K. Hawley Leonard J. Foster Paul De Vos Dirk C. de Graaf

Paenibacillus larvae, the causal agent of American Foulbrood disease (AFB), affects honey bee health worldwide. The present study investigates the effect of bodily fluids from honey bee larvae on growth velocity and transcription for this Gram-positive, endospore-forming bacterium. It was observed that larval fluids accelerate the growth and lead to higher bacterial densities during stationary ...

2008
María C. Vélez Marta Wolff

The family Calliphoridae is widely known to lead the colonization of corpses and their development rates are frequently used to estimate the postmortem interval. This study presents the larval growth of five forensically important species of Calliphoridae in Colombia. Rearing took place in semicontrolled field conditions where the egg masses were collected. We show curves of larval growth, larv...

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