Japanese Stiltgrass Germination Temperature
The goal of this research was to evaluate japanese stiltgrass cl and ch seed mass viability and germination.
Japanese stiltgrass germination temperature. Japanese stiltgrass microstegium vimineum is an invasive annual grass. The seeds can germinate most of the summer so if you cannot get it down today it will help if the preemergent is applied later. Seed mass viability and germination of japanese stiltgrass n 275. On monday february 27 the 3 day average soil temperature at the turfgrass field laboratory in raleigh was 55 8 degrees at 10 cm approximately 4 inches depth.
Application timing is a challenge as germination is based on soil temperature which varies from year to year. As of 4 p m. Control strategies include early spring to early summer herbicide applications for maximum efficacy. Japanese stiltgrass microstegium vimineum trin a camus also known as asian stiltgrass nepalese browntop annual jewgrass bamboograss or flexible sesagrass is a summer annual c 4 grass.
Light conditions may be just as fit as seeds originating from high light conditions. Vimineum is native to china korea japan malaysia and india tu 2000 fryer 2011. This is important because crabgrass species germinate when soil temperatures average about 55 degrees over a few days. A general guideline is to apply these preemergence herbicides by mid march or late february in an early spring.
We suggest putting it down as soon as possible. Japanese stiltgrass is an early germinating warm season annual that is problematic in the mid atlantic region and spreading to the north and west. The highest average annual temperature was ap of. Shade tolerant and invasive in the united states m.
