منابع مشابه
Early-season predation on aphids by winter-active spiders in apple orchards revealed by diagnostic PCR.
Aphids are major pests in apple orchards, debilitating the crop and spreading disease. We investigated whether early-season predation by canopy spiders may be effectively controlling aphid numbers in three organic orchards. For this purpose, we monitored the aphid population dynamics from the winter eggs to colony stages and compared this to spider abundances and rates of predation on aphids de...
متن کاملInfluenza in Canada--1997-1998 season.
The Laboratory Centre for Disease Control (LCDC) maintains a national influenza surveillance program, FluWatch. The objective of FluWatch is to provide a national picture of influenza activity. This program has elements which include: 1) laboratorybased influenza virus identification; 2) reporting by laboratories, and provincial and territorial epidemiologists who collaborate by exchanging info...
متن کاملTufted apple bud moth (Lepidoptera: Tortricidae) management model for processing apples based on early season pheromone trap capture.
Sixteen years of archived tufted apple bud moth, Platynota idaeusalis (Walker), trap capture data were compared with archived fruit injury data collected at the Penn State University Fruit Research and Extension Center to define the relationship of trap capture to fruit injury. Pheromone trap capture until 15 June was the best predictor of fruit injury at harvest. Using the regression equation ...
متن کاملConcussions during the 1997 Canadian Football League season.
OBJECTIVE To examine the incidence and characteristics of concussions for one season in the Canadian Football League (CFL). DESIGN Retrospective survey. PARTICIPANTS 289 players reporting to CFL training camp. Of these, 154 players had played in the CFL during the 1997 season. MAIN OUTCOME MEASURES Based on self-reported symptoms, calculations were made to determine the number of concussi...
متن کامل1996-1997 influenza season: Canadian laboratory diagnoses and strain characterization.
In collaboration with the World Health Organization (WHO) international collaborating laboratories, provincial laboratories, and other Canadian hospital and university-based virus laboratories, the Laboratory Centre for Disease Control (LCDC) conducts national surveillance on human influenza viruses. This surveillance monitors influenza activity, detects and describes antigenic changes in the c...
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ژورنال
عنوان ژورنال: Arthropod Management Tests
سال: 1998
ISSN: 2155-9856
DOI: 10.1093/amt/23.1.1