Rye grass is a turf eatage used on golf game courses and sports fields , but can be used in some home landscaping app . One of the more usual headache about rye Mary Jane is when dark-brown patches appear . This contagion is called " brown office , " " dollar spot " or plainly " brown rye grass . " understand what causes the problem can help you to treat and prevent dark-brown rye whisky grass in your sod .

What is Brown Rye Grass?

Find brownish rye whiskey sens where a fungal infection is evident . The browned colour is the burden of a pathogen that attacks turf grass , with perennial rye whiskey grass being one of the more damaged types of turf . chocolate-brown patch is also known as Rhizoctonia blight , state the University of Maryland . Brown spell unremarkably occurs in recurrent Secale cereale grass with warm humid conditions . It does not induce lasting departure of the greensward except turf planted less than a year earlier , according to the University of Kentucky .

What Causes Brown Rye Grass?

Look for Rhizoctonia solani or Rhizoctonia zeae fungi . dark-brown patch requires a minimum daily temperature of 63 degrees with rain or 95 percent humidity for the fungus to activate , according to the annexe services of both university . day temperature above 85 degrees with high humidity create right conditions ; if those condition should fall out for over eight hours , the opening of the R. solani fungus set off is high . According to the University of Maryland , evening electrical storm between June and September , combined with evening temperatures above 68 degrees , can lead to severe disease stimulate combat injury to eatage .

Can I Accidently Cause Brown Rye Grass?

Over fertlizing during outflow and summertime can increase the occurance of brownish Secale cereale sess . According to publish information from the University of Kentucky , succulent , lush growth grow by heavy nitrogen plant food can favor the development of this turf trouble . Other factors , such as overwatering , late - day lachrymation , short drainage , poor air effort and lack of adequate drying of the greensward can fetch on brown rye whiskey pot . mow too high , excessive Edward Teach , mowing when the dope is wet and hack grass with muted lawn mower blades can also increase the severity of the disease .

How Do I Know My Grass is Infected?

see for rough round convention varying in size between one to five feet . Both university tell that , while not always manifest , fine gray gossamer of fungus can be found along the boundary of dark-brown areas point participating fungal increase ; this is most promenant during former morning hours . As other morning dew dries , the " smoke ring " essence of the newly develop fungus vanishes . Diseased patches will merge and areas become irregular in shape , according to the reference table service . The wing of the University of Kentucky says to look for lesion on blade of marvelous fescue from recent infections . These lesion will look olive - green at first ; as the grass dry , the wound turn tan and add a thin chocolate-brown border . see for leaf blades to wither and die . The University of Maryland pronounce that lesions may start out oval and small , but then elongate and extend down the surface of the leaf steel .

When Should I Look for Brown Rye Grass?

Watch for brown Secale cereale gage during the month of July and August . heedful observance is suggest for young stands of perennial rye grass especially during the first yr after planting by the University of Maryland Extension . Notice that the chocolate-brown darn job pop leaf and sheaths but avoids roots and crown ; because of this , regard turf can recover during September if kept properly fertilized , irrigated and mowed by rights

How Do I Treat Brown Rye Grass?

deal browned patches by using fall fertilization between September and October . Irrigate in the morn so the greensward has a chance to dry in the afternoon sun . Mow turf to a top of three inches to avert a eminent canopy . Apply fungicide during prolonged mellow nighttime temperature and humidity as recommended by the University of Maryland Extension .

How Do I Prevent Brown Rye Grass?

habituate a dim release nitrogen fertilizer , sulfer coat urea and natural organics during autumn as suggested by the University of Maryland Extension . Collect clippings so that any infected clippings do not re - infect the turf ; if the turf is not infect , allow clippings to stay so nutrient are render to the soil . other - morning mowing will earmark mown grass to dry during the day , thereby slow the fungus . Remember that very dry ground and coolheaded temperatures during the dark will tighten the onset of the disease ; this is also the optimal clock time to apply fungicide . Apply fungicide when the signs of disease first arise . Water the turf to a deepness of four column inch so deep antecedent develop .

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