Lynn Ketchum

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Will growing tobacco put my garden plants at risk?

Q: I'm interested in planting a tobacco plant in my home garden from seed. I've heard of tobacco mosaic virus and how it can spread from the fingers of someone who has handled tobacco or from insects between infected plants. ...

A: View answer | View all featured questions

Pandemic leads to unprecedented burst of questions to Ask an Expert tool

Questions have ballooned to 6,625 in the first half of 2020, more than all of the questions answered in 2019.

Kym Pokorny | Jul 29, 2020 | News story

Biology and Management of Beet Leafhopper and Purple Top in Potatoes in the Pacific Northwest

Leafhoppers damage potatoes by feeding on the plants, or by transmitting viruses and phytoplasmas, which are small bacterial parasites of plant phloem tissue. Phytoplasmas cause purple top disease, which reduces yield and produces ...

Silvia I. Rondon | Apr 2020 | OSU Extension Catalog

Wheat virus is bigger problem in Pacific Northwest than previously thought

Wheat soil-borne mosaic disease was first detected in the Walla Walla Valley along the Oregon and Washington border in 2008.

Chris Branam | Mar 2, 2020 | News story

Managing Diseases and Insects in Home Orchards

This pest management guide is for the home gardener. It recommends management practices for controlling diseases and insects in home orchards. It doesn't meet the exacting requirements of the commercial fruit grower.

Jay Pscheidt, Heather Stoven, Ashley Thompson, Brooke Edmunds, Nik Wiman | Mar 2020 | OSU Extension Catalog

Dig into hundreds of publications from OSU Extension online catalog

Have a gardening question? Find an answer in one of OSU Extension's publications.

Kym Pokorny | Nov 22, 2019 | News story

Bacterial Soft Rot Pathogens of Potato

Jessie Brazil is a Botany and Plant Pathology Masters student at Oregon State University. Jessie does her research at the Hermiston Agricultural Research and Extension Center. The focus is on studying soft rot of potato. This ...

Jessie Brazil | Nov 2019 | Video

Colorado Potato Beetle in the Columbia Basin

Oregon State University Crop and Soil Science Masters student Pahoua Yang focuses her research project on Colorado potato beetle, Leptinotarsa decemlineata. Her project is to determine baseline information for several commercial ...

Pahoua Yang | Oct 2019 | Video

Tackling Potato Virus Y

Tackling Potato Virus Y, a Persistent Problem in Potato Production. Oregon State University Masters student Max Combest explains issues related to Potato Virus Y (PVY). He is doing research of PVY in potato production in the ...

Max Combest | Oct 2019 | Video

The Impacts of Bacterial Soft Rot Pathogens of Potato

Jessie Brazil is a Botany and Plant Pathology Masters student at Oregon State University. Jessie does her research at the Hermiston Agricultural Research and Extension Center. The focus is on studying soft rot of potato. This ...

Kenneth Frost | Oct 2019 | OSU Extension Catalog