Cutting Edge: Poa annua control and data-informed pest control

Studies on data science-informed turfgrass pest control and glufosinate for poa annua control make up this month's featured research.

#NoNin2023 and beyond

A veteran transition zone superintendent’s program tackled thatch and organic matter buildup on his greens with more than just a hashtag.

Improving poa annua management practices with gene sequencing

Researchers screened for resistance to as many as 11 unique herbicides and plant growth retardants based on regional use patterns and collaborator participation.

Verdure: Nothing trivial about Poa trivialis control

Rough bluegrass (Poa trivialis) and annual bluegrass (Poa annua) are the most troublesome weeds in turf.

Cutting edge: Celebration bermudagrass, herbicide resistance in poa annua

Work from the University of Florida/Ft. Lauderdale and Purdue University features in April's research rundown.

Does turf brushing work?

Turf brushing has grown in popularity among superintendents. One agronomist examines the practice and its benefits.

Growing degree day data helps predict annual bluegrass flowering

Research leads to models used to schedule PGR applications to suppress annual bluegrass seedhead production.

Controlling Poa annua with annual bluegrass weevil and PGRs

Can ABW, alone and in combination with PGR programs, be a viable tool to reduce annual bluegrass cover in creeping bentgrass fairways?

Is Poa annua really an annual species?

A series of experiments took a close look at Poa annua’s life cycle, a better understanding of which can help superintendents trying to eradicate or maintain it.

Natural alternatives for annual bluegrass control

Are there any truly viable nonchemical options for Poa annua control in high-value turf? Researchers put 11 alternative treatments to the test.

Poa annua ‘remembers’ being mowed

Poa annua plants pass along an awareness of mowing stress to offspring. Learn more about the discovery, the research that inadvertently brought it to light, and what it means for Poa breeding.

Improving turfgrass survival of ice encasement

Could priming turf with certain chemicals give it a leg up on winter stress? Researchers investigated the impacts of various treatments on annual bluegrass recovery from prolonged ice cover.

Poa annua: Alternative control options

Lemon juice for Poa control? In the quest for non-herbicidal treatments, researchers tested several outside-the-box options. Here’s how they fared.

Reducing anthracnose with potassium and nitrogen

Anthracnose severity in annual bluegrass is strongly linked to N and K deficiencies. At what rates do these nutrients best team up to control the disease?

Fraise mowing for annual bluegrass control

The cultivation practice shows promise as a non-herbicidal means of annual bluegrass control. Researchers assessed its impacts and feasibility for golf turf managers.

The annual bluegrass seedbank vs. perennial ryegrass establishment

In sites infested with annual bluegrass, researchers tested the effectiveness of various herbicide programs in suppressing the persistent grass while maximizing establishment of perennial ryegrass.

PoaCure: Has annual bluegrass finally met its match?

A turf scientist provides an in-depth look at the herbicide PoaCure, including registration info, research findings, key considerations for successful use, and more.

Goodbye Poa annua, hello bentgrass

Go inside an Ohio golf club’s decision to transition greens and fairways from Poa to bentgrass and the many components involved, from shade to PGRs to patience.

Verdure: Winter applications for spring Poa annua seedhead suppression?

A turf scientist tested whether earlier applications of PGRs could deliver better control of annual bluegrass seedheads.

When is Poa annua seed most germinable in spring?

Well-timed collection of clippings can limit the introduction of additional — and potentially herbicide-resistant — seed into the seed bank.