Category: Disease Control

As our zoysiagrass fairways and tees are greening up this spring, we will soon begin to see the symptoms of Rhizoctonia Large Patch (zoysia patch). Rhizoctonia Large Patch (RLP) is the only major disease of zoysiagrass in Indiana. The pathogen...

Tan patches in an otherwise green lawn at this time of the year are likely due to either slow-greening warm-season grasses or snow mold. The most common tan patch right now is warm-season grasses like nimblewill or zoysia (photos). Time,...

The trees are dropping their leaves and it is important to prevent a heavy layer of leaves from building-up on your turf before winter. Heavy layers of tree leaves that shade the grass can smother and kill grass yet this...

We’ve received several reports of gray leaf spot outbreaks throughout the state during the past couple of weeks. It may surprise many, because the summer of 2004 has been one of the mildest (zero days where temperatures reached 90 F...

White grub damage on turfgrass may be more widespread than many expected this year. With ample rain and favorable growing conditions for most host plants during the early and mid growing season, high concentrations of adult Japanese beetles were not...

Well it must be September and it must finally be dry because I have seen some serious outbreaks of rust on many perennial ryegrass lawns throughout the area over the past week. Leaf rust has been most noticeable on lawns...

The rain and temperatures this year have favored excellent turfgrass growth, and the N applied this spring is being depleted, thus favoring rust in even regularly fertilized turf areas. Rust symptoms are reddish-orange lesions or spots on the leaf blades...

I’ve seen lawns and heard this week about brown streaks that are about the width of the mower (photo). In the vast majority of the cases, these tracks are caused by the weight of a mower traversing across a portion...

With the constant rains in May and now June, many turf management practices have been delayed and many practices have to be modified as a result of the rain:  Fertilization: With all extended growth period using up much of the soil...