Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Apples -- Rootstocks Date 1987 Subject Apples -- Diseases and pests -- Control

The biology and control of Phytophthora root and stem rot of apple rootstocks from stool beds

Creator:

Tidball, Carolyn Jean

Abstract:

The present studies were conducted to better understand the etiology, epidemiology and potential control of the Phytophthora stem root rot as it occurs in apple stool beds. Symptoms of Phytophthora root and stem rot occurred as early as May and continued to develop throughout the growing season. Sunken brown-black lesions...

Resource Type:

Masters Thesis

Full Text:

. Percent of apple rootstock samples from the stool beds infected by each of the Phytophthora species. 17