44 research outputs found
Crown gall disease of nursery stock
"Crown gall is a bacterial disease that affects many species in more than 40 plant families. It occurs commonly on young nursery stock including willow, poplar and other shade trees, nut-bearing trees, pome fruits and stone fruits."--First page.Einar W. Palm and Anton Novacky (Department of Plant Pathology, College of Agriculture)Revised 5/85/5
The fescue fungus problem
"Tall fescue has been widely accepted as a forage plant. It is particularly well adapted to the southern portion of the cornbelt where it has been planted on millions of acres of pasture lands. Despite its unique adaptation to this area, various animal production problems are connected with fescue."--First page.Jimmy C. Henning (Department of Agronomy) and Einar Palm (Department of Pathology, College of Agriculture)Revised 2/88/6
Sclerotinia crown and stem rot of alfalfa
"A crown and stem disease of alfalfa caused by a fungus was identified as a potentially serious problem in Missouri in 1983. Since that time, the disease has been identified in several counties, mostly in southwest Missouri and occasionally in southeast Missouri. It appears that the disease is becoming more widespread."--First page.Einar W. Palm (Department of Plant Pathology, College of Agriculture) and John Jennings (Area Agronomist in H.O.S.T. region)New 12/87/8
Corn stunting virus diseases in Missouri (1979)
First reports of stunting virus diseases of corn were made in Missouri in 1963 from three southeastern counties. Similar reports were made from neighboring states. Virus or virus-like diseases of corn have been reported annually since the time of the first appearance in epidemic proportions in the southern part of the Corn Belt. Infections occur in more than 7,000 acres annually in Missouri. Since 1963, losses ranging from 5 to 95 per cent in individual fields have been reported in Missouri. The most severe losses have occurred in bottom land fields along the Gasconade and Missouri rivers. Most of these areas have fields that are surrounded or infested by Johnsongrass, a common perennial weed grass proven to be a principal over-wintering host for two corn viruses, maize dwarf mosaic virus and maize chlorotic dwarf virus.Reprinted 9/79/8M
Home fruit spray schedules
"Fruit plantings can be a source of beauty as well as food. However, for the inexperienced grower, they also can be a source of frustration and expense. Nursery catalogs are full of brightly colored advertisements depicting bountiful harvests of high quality fruit. Harvests like these are possible, but only when you care for trees and plants properly. For those willing to take the challenge, a little planning, some moderate expense, and a persistent effort can make home fruit production a rewarding and successful venture. With few exceptions, home fruit plantings require treatment with pesticides to control a variety of serious diseases and insect pests. Pesticides needed and frequency of application depends on the cultivars (cultivated variety) planted, location of the planting, the weather, and cultural practices."--First page.Chad Finn (Department of Horticulture), Hal Shaffer and Einar Palm (Department of Plant Pathology, College of Agriculture)Revised 5/90/10