PR-807: 2021 Cool-Season Grass Grazing Tolerance Report

Joao Costa, Jimmy Henning, Gene Olson, Tim Phillips, Ray Smith, Chris Teutsch | Dec. 7, 2021 (New)

Cool-season forages such as tall fescue, orchardgrass, and Kentucky bluegrass are the primary pasture grasses in Kentucky. Other species such as perennial ryegrass and festulolium can also be used in pasture systems. Little is known about the effect of variety on the grazing tolerance of these cool-season grass species. The purpose of this report is to summarize current research on the grazing tolerance of varieties of tall fescue, orchardgrass, perennial ryegrass, and other species when they are subjected to continuous, heavy grazing pressure by cattle within the growing season. Overgrazing is not a recommended practice, but is done in these studies to determine how different varieties perform under conditions that are worse than occur during the life of a typical pasture. Varieties are primarily rated for percent survival but data on seedling vigor and grazing preference are also presented.

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PR-805: 2021 Alfalfa Grazing Tolerance Report

Joao Costa, Jimmy Henning, Gene Olson, Ray Smith, Chris Teutsch | Dec. 3, 2021 (New)

This report summarizes research on the grazing tolerance of alfalfa varieties when subjected to continuous heavy grazing pressure during the grazing season. A summary of all alfalfa varieties tested in Kentucky during the last 20 years and information about distributors, fall dormancy ratings, and disease resistance is included at the end of this report.

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PR-806: 2021 Red and White Clover Grazing Tolerance Report

Joao Costa, Jimmy Henning, Gene Olson, Ray Smith, Chris Teutsch | Dec. 2, 2021 (New)

Red clover (Trifolium pratense L.) is a high-quality, short-lived perennial legume that is used in mixed or pure stands for pasture, hay, silage, soil improvement, and wildlife habitat. This species is adapted to a wide range of climatic and soil conditions. White clover (Trifolium repens L.) is a low-growing, perennial pasture legume with white flowers. It differs from red clover in that the stems (stolons) grow along the surface of the soil and can form adventitious roots that may lead to the development of new plants.