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Lawn Diseases

Sometimes it seems like the more you do to your lawn, the more problems you have. The story we hear often goes something like this:

"My neighbor doesn't do anything to his lawn and it looks better than mine! I've spent thousands of dollars on my lawn and have nothing but problems!"

"Lawn Frustration" is easy to understand, especially when your problems are so visible to everyone, and your wallet is saying "Ouch!"
  

Doing too much to your lawn?

Can you do too much to a lawn? Yes. And in order to take charge of your lawn, it's important to work with the cycles of nature instead of against them. One of the best examples is lawn fertilization...how many times have you seen a moisture stressed, semi-dormant lawn being fertilized during the hot, humid summer months?
  
While it's best to "Work with Nature" and fertilize lawns in the northeastern United States twice a year, May & September, you'll often see lawn applications being made at the worst time of year, mid-summer. While this timing might promote cash flow, it won't promote lawn growth. And the high "salt index" of some lawn fertilizer can cause burning.
  

Not enough lawn care?

Since some varieties of turfgrass have special maintenance requirements, it's also possible to do too little. A prime example of this would be a common problem that's encouraged by low fertility, red thread disease. It's one of the few lawn diseases that's controlled by fertilizing your lawn, thereby making the lawn "grow away" from the disease. Many other lawn diseases grow worse with too much fertilizer.

Red Thread disease
Red Thread is common on Red Fescue -
One of the few lawn diseases that you
should fertilize to make things better.
  

 

  
Your lawn's 'Bermuda Triangle'

The most basic thing to learn when studying lawn diseases is the "disease triangle." Imagine a triangle with the 3 sides labeled PLANT, PATHOGEN, and ENVIRONMENT. For lawn disease to develop, all 3 elements must be present....if you break one leg of the triangle, you prevent lawn disease. It really is that simple, but not necessarily that easy.
   
So what can you do to "break the legs" of the a lawn's "Bermuda Triangle?"
   
1. Plant - Turfgrass breeding programs at major US universities like Penn State have developed improved varieties of turfgrass. New turf varieties are developed and chosen for their improved disease resistance. LawnBoss tip: Instead of buying "bargain basement" grass seed, pay extra for named and improved varieties of turfgrass.
  
2. Pathogen - They're "out to get you," and may already be present in your lawn soil. Pathogens are easily spread on mowing equipment, especially when turf is wet. LawnBoss tip: Keep your mower deck clean and don't mow when the grass is wet. Keep mower blades sharp!
  


Clean out the underside of your lawnmower after mowing.
Sharpen the blade two or three times every year.

3. Environment - Ever wonder why lawn pros tell you not to water lawns in the evening? Simple! By prolonging the "wet period" of turfgrass overnight, you improve the environment for opportunistic lawn pathogens....most fungi thrive in a moist environment, and love lush growth. LawnBoss tip: Water early in the morning. Don't over-fertilize your lawn, especially during the hot, humid summer months.

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