Response of certain perennial grasses to cutting treatments

1. Orchard grass, timothy, smooth brome grass, quack grass, Kentucky bluegrass, and a mixture of smooth brome grass and alfalfa were grown in 10-inch clay pots in the greenhouse and cut weekly at three different heights. 2. There were differences between the various species in the amount of injury i...

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Bibliographic Details
Published inJournal - American Society of Agronomy Vol. 31; no. 5; pp. 418 - 430
Main Authors Harrison, C.M, Hodgson, C.W
Format Journal Article
LanguageEnglish
Published 1939
Subjects
Bromus inermis
cutting
Dactylis glomerata
defoliation
Elymus repens subsp. repens
height
Phleum pratense
plant characteristics
Poa pratensis
rhizomes
roots
yields
Michigan
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Summary:1. Orchard grass, timothy, smooth brome grass, quack grass, Kentucky bluegrass, and a mixture of smooth brome grass and alfalfa were grown in 10-inch clay pots in the greenhouse and cut weekly at three different heights. 2. There were differences between the various species in the amount of injury incurred by continuous close clipping. In this respect they rated in the following order, beginning with the one least injured: Kentucky bluegrass, quack grass, smooth brome grass, with timothy and orchard grass being about equal. 3. In nearly every case the greatest total yield of top growth was obtained from those plants that were allowed to go unclipped. In general, the shorter a given grass was cut, the less top growth it produced. 4. The greatest yields of underground parts (roots and rhizomes) were also obtained from the uncut plants. The yields of underground parts decreased with increase in severity of cutting treatment. 5. Smooth brome grass did better when grown in a mixture with alfalfa than when grown alone.
ISSN:0095-9650
2690-9162