Boe, Arvid A.

Kan, Haiming

Ranum, Taylor

Troelstrup, Nels H., Jr.

Xu, Lan

English

Public Research Access Institutional Repository and Information Exchange

South Dakota State UniversityOpen PRAIRIE: Open Public Research Access InstitutionalRepository and Information ExchangeOak Lake Field Station Research Publications Oak Lake Field Station2013Belowground Bud Bank of Smooth Brome inResponse to Mowing TreatmentsTaylor RanumDepartment of Natural Resources ManagementLan XuSouth Dakota State University, lan.xu@sdstate.eduArvid A. BoeSouth Dakota State University, arvid.boe@sdstate.eduNels H. Troelstrup Jr.South Dakota State University, nels.troelstrup@sdstate.eduHaiming KanDepartment of Natural Resources ManagementFollow this and additional works at: https://openprairie.sdstate.edu/oak-lake_research-pubsThis Article is brought to you for free and open access by the Oak Lake Field Station at Open PRAIRIE: Open Public Research Access InstitutionalRepository and Information Exchange. It has been accepted for inclusion in Oak Lake Field Station Research Publications by an authorizedadministrator of Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange. For more information, pleasecontact michael.biondo@sdstate.edu.Recommended CitationRanum, Taylor; Xu, Lan; Boe, Arvid A.; Troelstrup, Nels H. Jr.; and Kan, Haiming, "Belowground Bud Bank of Smooth Brome inResponse to Mowing Treatments" (2013). Oak Lake Field Station Research Publications. 46.https://openprairie.sdstate.edu/oak-lake_research-pubs/46184 Proceedings of the South Dakota Academy of Science, Vol. 92 (2013)BELOWGROUND BUD BANK OF SMOOTH BROME IN RESPONSE TO MOWING TREATMENTSTaylor Ranum1, Lan Xu1*, Arvid Boe2, Nels H. Troelstrup, Jr1., and Haiming Kan11Department of Natural Resources Management 2Department of Plant ScienceSouth Dakota State University Brookings, SD 57007*Corresponding author email: lan.xu@sdstate.eduABSTRACTA serious problem facing land managers of many prairie remnant of the northern Great Plains is the invasion and persistence of introduced cool-season perennial grasses, such as smooth brome (Bromus inermis).  This species  is highly competitive and spreads through prolific seed and bud (i.e. rhizome) production.  Since aboveground perennial grass population dynamics is strongly driven by vegetative reproduction via belowground bud banks, we evaluated the persistence of bud banks of smooth brome in response to mowing treatments. The experiment was a complete random block design with 3 mowing treatments including mowing once, twice, and three times after the last elongated node reached mowing height plus control.  Each treatment had 4 replications.  Tiller density of smooth brome within two 0.1m2 subplots was recorded every 3-weeks after each treatment.  Three tillers were randomly selected from each treatment plot and excavated to determine the number of crown positions and buds and their viability.  Compared to control, all mowing treatments did not (P = 0.065) reduce the number of crown positions per tiller at the end of the growing season, but significantly reduced the total number of buds per tiller by 43 to 66%, bud density (# buds m-2) by 65 to 88%, and tiller density by 40 to 65% as the mow-ing frequency increased.  In contrast to control, all moving treatments increased percent of active buds and decreased percent of dormant buds.  These results suggest that mowing at the optimal growth stage can effectively hinder bud for-mation and tiller recruitment and reduce existing bud banks.             

Belowground Bud Bank of Smooth Brome in Response to Mowing Treatments

https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1038&amp;context=oak-lake_research-pubs

Belowground Bud Bank of Smooth Brome in Response to Mowing Treatments

Abstract

Similar works

Full text

Available Versions

Public Research Access Institutional Repository and Information Exchange