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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Cercis canadensis | Eastern Redbud
 

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FIRE EFFECTS

SPECIES: Cercis canadensis | Eastern Redbud
IMMEDIATE FIRE EFFECT ON PLANT : Eastern redbud is easily top-killed by fire but regenerates after fire by sprouting. Eastern redbud developed clusters of root sprouts after being top-killed by a prescribed spring fire to discourage the encroachment of woody species onto a south-central Ohio prairie [4]. DISCUSSION AND QUALIFICATION OF FIRE EFFECT : NO-ENTRY PLANT RESPONSE TO FIRE : In North Carolina, a 1931 wildfire burned with varying intensity in a 35-year-old oldfield loblolly pine (Pinus taeda) stand. Flowering dogwood and estern redbud were the most abundant woody species in the understory and in the shrub/seedling strata of the unburned area 9 years after the fire. Eastern redbud was recorded for the area that experienced crown fires but was present at a lower density and frequency than in the unburned stand. No eastern redbud was recorded for the area that had experienced surface fire. No specific data on composition of the plots prior to the fire was reported [39]. In Alabama, the relative dominance of eastern redbud decreased on plots that were burned in spring and in fall, as measured from 1 to 3 years after clearcutting and prescribed fire. By 3 years after a low-intensity spotty spring fire, however, average height of eastern redbud was 17 feet (5 m) (as compared to 21 feet (6) on unburned plots). On plots that had experienced a more uniform, intense fire, average height of eastern redbud was 8 feet (2.4 m) only 1 year after the fire [28,36]. Germinable eastern redbud seeds were present in the seedbank but not represented in the vegetation of a tallgrass prairie site that was prescribed burned annually between 1978 and 1984. The seeds were not reported from unburned sites or from sites that experienced fire at 4-year intervals [2]. Average crude protein for eastern redbud was slightly higher on plots that had been treated with herbicide and fire than on untreated plots [8]. DISCUSSION AND QUALIFICATION OF PLANT RESPONSE : NO-ENTRY FIRE MANAGEMENT CONSIDERATIONS : In Texas, chaining and burning live oak (Quercus virginiana), white oak (Q. alba), Texas oak (Q. texana), and Ashe juniper (Juniperus ashei) resulted in an increase in fire climax species, including Texas redbud. Fires maintain root sprouters like Texas redbud in a low growing condition. Prescribed fire is recommended for these areas to cover approximately 10 to 15 percent of the total area each year (resulting in a 5- to 10-year rotation) [21].

Related categories for Species: Cercis canadensis | Eastern Redbud

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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