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Turfgrass Diseases in India


I spent this week in India and saw active dollar spot, fairy ring, probable bermudagrass decline, and also this unidentified disease on a bermudagrass green at Kolkata.


I suspect this is pythium blight, due to the apparent streaks of disease moving downhill with the drainage pattern, and because of its occurrence on two greens that appeared to have saturated soil conditions. Upon consulting with the conductor of this website, the possibility that this may be a leaf spot disease was also raised. And as I consult my Compendium of Turfgrass Diseases, I see that the environmental conditions for pythium blight and leaf spot diseases of Cynodon overlap to a large extent.


Disease control is obviously more difficult in a country such as India where there is not easy access to diagnostic laboratories. A disease such as dollar spot, seen on a bermudagrass fairway above at Bangalore, is easy to diagnose and control. But pathogens such as bermudagrass decline or leaf spots can be more difficult to diagnose with precision.

Two other factors further complicate disease control at India. First, many of the greenkeepers do not have ready access to information about turfgrass diseases and their control, nor do all greenkeepers understand what type of cultural practices can optimize plant health and minimize disease problems. Second, the types of sprayers used on many golf courses can be difficult to use, somewhat difficult to calibrate, and inconsistent in both droplet size and spray volume.

A tractor-mounted sprayer with a hand-gun is a typical agricultural sprayer found at many golf courses in India.

And the type of manual spraying system with a foot-pump as shown below is not the fastest or most precise way to apply products to the course, but if this is the only sprayer available, then it must be used.

There is a lot of golf development happening now at India and plans are underway for more greenkeeper training. One expects that greenkeepers will soon have access to more information about turfgrass diseases along with the types of maintenance equipment necessary to optimize the growing conditions and control turfgrass diseases more effectively.

2 Responses to “Turfgrass Diseases in India”

Micah Woods said...

Thanks to Steve Wilson, Manager Business Development Asia Pacific for Bernhard & Co., for the photo of the manual sprayer powered by a foot-pump at a golf club in Kolkata.

simply...susan! said...

hi, Micah ! glad to see a valid research post on turfgrasses in india. i am doing my master's research on comparative efficiency of foliar v/s neem oil coated urea on turfgrasses. your suggestions will be most welcome !

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