La présente étude sur l’écologie et la répartition des Siluriformes entreprise de septembre 2008 à août 2009, a pour but caractériser déterminer les facteurs responsables distribution spatio-temporelle dans rivières Yoko Biaro Réserve forestière Yoko. Des filets maillants, palangres nasses traditionnelles ont été utilisés capturer poissons. Ainsi, 572 silures au total, repartis en 15 espèces ap...

A severe outbreak of European Stone Fruit Yellows (ESFY) has been reported recently in apricot (Prunus armeniaca) orchards located in the province of Trento (Italy), where partial or total tree dieback caused major economic losses to growers. In order to prevent the disease spreading, the presence of ESFYP-vector, the psyllid Cacopsylla pruni, was monitored together with wild reservoirs of the ...

The order o f ossification of bones in the skeleton of Rana pipiens during larval growth and metamorphosis has been determined from observations on specimens fixed in 70% alcohol and stained with alizarin red S . The axial skeleton ossifies i n a generally cephalo-caudal sequence, beginning with the parasphenoid bone at Taylor-Kollros stages IV-IX, followed by vertebrae (V-IX) and then the uros...

Munyaneza, J. E., Sengoda, V. G., Buchman, J. L., and Fisher, T. W. 2012. Effects of temperature on ‘Candidatus Liberibacter solanacearum’ and zebra chip potato disease symptom development. Plant Dis. 96:18-23. Temperature has been shown to have a significant effect on development of liberibacter species associated with citrus Huanglongbing disease. ‘Candidatus Liberibacter africanus’ and ‘Ca. ...

summary) Apples: Both SOFT and CONV treatment regimes were able to maintain injury from codling moth (CM) at a very low level across the AWII project, even in the face of increasing CM pressure throughout most of the growing areas of Washington state. CM pressure varied in the AWII project from low-moderate in most blocks to high at two of the orchards (A3 and A5). On average, there was no real...