In diverse mixtures of orchardgrass, endophyte-free fescue and legumes, aphids are seldom a problem. If insect problems arise, contact your county Extension agent for recommended insecticides and rates. Back To Top Diseases Rust and brown stripe are two common diseases of orchardgrass. Look for rust on the top of leaves. It is worse in wet years.
Diseases are worse in dry parts of the year and when soil fertility is low.
Control by spraying is generally not economical. Selection of resistant varieties and early harvest are the best ways to manage around a portion of the leaf disease problems. Since space will not allow the inclusion of the normal sequence of operations table, a brief explanation of the equipment and operations follows. Except for the fertilizer spreader, machinery and equipment used in this analysis are assumed to be owned by the farmer. The field is plowed one time in late August with a chisel plow pulled with a 85 hp tractor.