https://nottingham.mtvernon.wsu.edu/2022/02/10/season-long-ipm-for-pear-psylla/ 2022-02-11T01:15:30+00:00 monthly 0.2 https://nottingham.mtvernon.wsu.edu/2022/02/10/sustainable-control-of-pear-psylla/ 2022-02-10T16:00:24+00:00 monthly 0.2