This guide provides tree fruit growers with the latest information on pesticides and herbicides for fruit trees. People who grow apples, pears and cherries can learn application rates and recommendations for each stage of tree growth.
Ashley Thompson, Rick Hilton, Achala KC, Marcelo Moretti, Jay Pscheidt, Nik Wiman, Andony Melathopoulos |
Mar 2022 |
OSU Extension CatalogPeer reviewed (Orange level)
When assessing the safety of exposed produce, the difficulty is knowing what has been burning. If it is just vegetation smoke then it’s probably safe to eat produce after rinsing off the ash, although it might still taste/smell smoky. If the air pollution has particulate matter from treated timber, tires, non-food grade oils, or anything plastic or chlorinated that burned it may include a mixture of Polycyclic Aromatic Hydrocarbons (PAHs), dioxins, and metals. Exposure to fire retardant may have also occurred.
This publication describes dark red and blush sweet cherry cultivars, including harvest timing, color when ripe, suggested pollinizers and rootstocks, size, firmness, yield potential, and other traits. Includes color photo of each cultivar.
Cherry growers have many options when it comes to choosing rootstocks. The combination of new dwarfing rootstocks with high-density training systems leads to earlier production. But growers need to consider soil fertility, scion ...
Field workers picking cherries can use this card to identify signs of X-Disease in a cherry orchard. One side of the card is in English and the other side is in Spanish. Los trabajadores de campo que recogen cerezas ...
The orchard, established at Oregon State University’s North Willamette Research and Extension Center – 23 miles south of downtown Portland – is the brainchild of Nik Wiman, OSU Extension orchard crops specialist.
Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.
Q: I take care of several local orchards and have been finding huge amounts of fruit drop and poor setting near Astoria. Apples, cherry, plum, very weak production in the orchards. Do you know if this is common, or what causes it?