March 1, 2022 Pear Psylla Phenology IPM Guide will help manage pear psylla using the new degree day model! As temperatures warm and the snow melts, it is time to think about pear psylla management. In warmer areas like Oregon and southern Washington, psylla are already back in the orchards and laying eggs. In central […]
Pear Phenology Update, August 9, 2021 Pear Psylla’s Current Status: The 2nd generation of summerform adults are at or past peak in most regions. Young nymphs of the 3rd generation are nearing peak and increasing. Hardshells of the 3rd generation are within the first 25% and rising. If biocontrol is present in orchards (IPM and […]
June 7, 2021 Pear Psylla’s Current Status: Old nymphs (hardshells) from the first generation are still present but declining. Summerform adults and eggs are rapidly building in cooler locations (Cashmere) and nearing peak at 1500DD in warmer ones (Medford). Early instar nymphs of the second generation are building in all locations, and will peak at […]
June 1, 2021 Pear Psylla’s Current Status: Some old nymphs from the first generation are still present but declining. Summerform adults and eggs are building in orchards (about 25-30% of the peak population are now present). Adults and eggs will increase until the peak at 1500 DD. Early instar nymphs of the second generation are […]
May 18, 2021 Prior to this project, there was no available experimental information on insecticide toxicity against the leafhopper X-disease vectors Colladonus Reductus and C. geminatus In 2020 we performed lab bioassays to screen various insecticide products against the most abundant of these two species in Washington cherries, C. reductus. Five insecticide materials achieved 100% […]
March 23, 2021 Sam Parker, pear grower and social media extraordinaire, shares his experience being a cooperator on the Nottingham lab reflective mulch trials currently taking place in his organic pear orchard. Clicking the pic will take you to the video on Sam’s Instagram account. You don’t need an Instagram account to watch it, but […]
