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Fall is an Excellent Time to Manage Vegetation

Fall is an Excellent Time to Manage Vegetation

Fall is here – peanuts are being picked and football season is in full swing. With fall being synonymous with the end of the growing season, it is a surprisingly good time of year to start many vegetation management operations. Fall is a particularly good time of year for a land manager to chemically control unwanted perennial vegetation.

General Comments & Caveats

I know plants can’t read calendars and to my knowledge they don’t watch football, so how would they even “know” it’s fall? Why does the season matter? In very general terms, perennial plants (those that live for many years) respond to shortening day length; the decreasing amount of sunlight stimulates the plants to begin storing more energy for the winter ahead. This process increases the downward flow (from leaves, towards roots and rhizomes, etc.) inside the plant. This phenomenon pairs very well with how systemic herbicides need to move within the plant to be effective. Put another way, again in very simplified terms, fall applications of systemic herbicides to perennial plants build on the plants’ natural processes associated with transitioning to winter dormancy and provide the herbicide with excellent access and opportunity to affect the plant.

While fall can be an excellent time to control perennial vegetation, taking advantage of this opportunity does require some additional attention to detail, as compared to mid-summer herbicide applications. For herbicides to work properly the chemical must be able to enter the plant and the plant must then be able to move herbicide though its xylem and phloem cells.

  • In the fall it is not uncommon for it to become very dry. Drought stress can impede both necessary processes described above. Fall herbicide applications only work when adequate moisture is available.
  • Foliar herbicides, like glyphosate, must enter a plant through a functional green leaf. At some point in the fall, the leaves of deciduous plants lose their functionality and thus their ability to convey herbicide to the rest of the plant. Chinese Tallow (popcorn tree) comes to mind here – if the leaves have changed color, they have been cut off from the rest of the plant making them useless for receiving herbicide.
  • Cold temperatures (particularly below freezing) can cause plants to go dormant. Dormant plants do not circulate herbicide effectively. Plants vary greatly as to what temperature induces dormancy and how quickly they regain functionality after temperatures increase. When controlling perennial grasses, it is generally recommended to make fall applications before first frost and the browning of leaves that closely follows. For plants that retain green leaves after frost (privet, for example), make sure temperatures are well above freezing at the time of herbicide application.

NOW is the time to treat cogongrass – fall, with good soil moisture. Don’t miss this ideal window for herbicide application.
Photo Credit: Mark Mauldin

Specific Vegetation Management Practices to Consider this Fall

  • Control Trees and Brush. Fall and winter are excellent times of year to employ several different methods which allow you to apply herbicide directly to induvial woody plants with relatively little risk to surrounding desirable vegetation. While very effective, all these individual plant techniques are quite labor intensive, making the cooler temperatures associated with the fall perhaps more important to the applicator than the plant physiology and herbicide efficacy discussed earlier. Use these links to access videos that discuss each technique in detail.

Foliar applications (to the leaves) of herbicide to small trees and woody brush can be very effective in the fall, for the reasons mentioned earlier and provided all of the caveats mentioned earlier are accounted for. That said, foliar applications have their limitations and generally shouldn’t be used on trees over 8ft tall. Foliar applications also generally carry more risk of damage to surrounding desirable vegetation. All that said, there are times when there is no surrounding desirable vegetation – think about doing site prep for a silviculture planting or clearing an opening for a wildlife food plot planting. In these kinds of situations fall timed, broadcast, foliar applications of systemic herbicides can be highly effective.

During the fall and winter trees and woody brush can be controlled via a variety of highly selective techniques, including basal bark, hack-and-squirt, and cut stump treatments. Image Credit: IFAS CAIP

  • Mow??? I very infrequently recommend mowing for weed control but if weeds have not already made seed (many already have), fall mowing can clean up open spaces while helping to lessen the seed bank available for next year’s crop of weeds. Granted, mowing is great for quick aesthetic benefit, but it must be timed correctly to provide any long term, meaningful vegetation management. Most perennial plants can and will recover after being mowed, so mowing them after they have made seed provides little lasting benefit. Along the same lines, annual plants naturally die after making seed making timing very important to providing any meaningful weed management.

Fall is always a busy time year, but between tailgate parties and trips to the pumpkin patch be sure to take advantage of the opportunities the season provides for the highly effective management of some otherwise very hard to control vegetation. If you have any questions or would like to discuss any of these concepts in more detail, please don’t hesitate to reach out to me directly at mdm83@ufl.edu or 850-638-6180.

 

Wild Turkey Habitat

Wild Turkey Habitat

As Thanksgiving approaches, many people begin thinking about turkeys – and it’s hard not to, given how often they appear in seasonal displays, menus, and media. This cultural centerpiece has been a prominent part of Thanksgiving tradition for centuries. If you’re more interested in the wild side of things, you might be curious about how to manage wild turkey populations in the field.

In general, wild turkeys need a range of forested and open habitat. They typically thrive in a mix of open forests, but require areas with diverse vegetation structure for different life stages. For example, adult turkeys have a broad diet that includes soft mast (e.g., berries), insects, and other plant material. These food sources are more abundant in open areas where sunlight can penetrate the canopy and reach the forest floor. Hard mast (e.g., acorns) also makes up an important part of their diet, especially in the fall. As a result, areas with masting trees are particularly valuable, not only for foraging but also because these trees often serve as important roosting sites. Hens prefer nesting cover that tends to be denser, providing protection from predators. These nesting areas are tall enough to conceal the nest and hen, but low enough to allow her to scan for predators. In contrast, young chicks (poults) rely on more open areas with sparse vegetation and exposed ground so they can move quickly and easily and forage for insects. Because they’re small and can’t move very well in thick cover, open space is essential during their first few weeks. Around two weeks old, poults begin roosting in trees, so access to suitable trees also becomes important. In general, maintaining quality turkey habitat requires active management. Without it, vegetation can become overgrown, forests can become too dense, and the habitat quality quickly declines. Prescribed fire is one tool often used to manage and reset habitat conditions. For instance, poult rearing habitat is usually very high quality within one year since prescribed fire is applied, while nesting habitat quality usually peaks between one to three years after a prescribed burn, depending on site characteristics.

If you want to learn more about managing wild turkey habitat, consider enrolling in the online turkey habitat management training program. Led by the UF/IFAS Game Lab and the Wildlife Ecology and Land Management Lab and this program will lead you through field, forest, and grassland management strategies for wild turkeys and more (https://tinyurl.com/WildTurkeyManager).

Wild turkeys in pine lands. Photo credit: UF/IFAS Wildlife Ecology and Land Management Lab

 

Killer Turkey Food Plot

Killer Turkey Food Plot

Before you know it spring turkey season will be upon us and now is the time to start planning a killer turkey food plot.  Establishing a great food plot takes more than just planting seeds.  It takes planning and preparation prior to planting those seeds. The prime turkey food plot is chufas.  Chufas are yellow nutsedges that turkeys absolutely love.turkeys in food plot

The first step is finding a good spot.  A 20ft x 20ft spot with no trees and ample sunlight will work well.  You can select a larger spot but that increases the cost of planting.  Chufas prefer full sunlight so make sure the area gets 6-8 hours of sunlight per day.  

Next step is to take a soil sample from the area. Here’s a video demonstrating how to properly take a soil sample.  When you get your soil sample results back, you will want to adjust the pH as necessary.  Perform this task well ahead of planting to give the lime time to raise the pH.  Chufas grow best with the soil pH between 6.0-7.0.

Now other animals love chufas too, like hogs and rabbits.  I wouldn’t plant chufas if you know you have a large population of rabbits or you have a feral hog problem.  Reduce those populations before planting chufas.

Other options include plants such as brown top millet and buckwheat.  Turkeys love tender young shoots.  You can plant these in March ahead of spring turkey season.  These plots also will attract insects which the turkeys feed on.  

Now we get to the fun part – planting.  Chufas can be planted anytime between April and July.  They germinate quickly once soil temperatures are above 65º F..  You can plow the area or use a herbicide like glyphosate to kill existing vegetation.  For chufas, you can use a pre-emergent herbicide like trifluralin or pendimethalin to help suppress weeds during the growing season.

Plant Broadcast Seeding Rate
Chufas 40-50lb/acre
Brown top millet 20-25lb/acre
Buckwheat 50- 55lb/acre

I find that packing the soil after broadcasting the seed, either by driving over it or by using a cultipacker, helps with germination as the seeds flourish with a firm seed bed.

Next, fertilize according to your soil test results and enjoy a great spring turkey season.

More Information on Establishing Cool Season Wildlife Food Plots in the Panhandle

More Information on Establishing Cool Season Wildlife Food Plots in the Panhandle

Recently Jennifer Bearden, our Agriculture & Natural Resource Agent in Okaloosa County wrote a great article on “Common Wildlife Food Plot Mistakes”. The following information is a mere supplement in establishing food plots. Planting wildlife forages has become a great interest in the Panhandle. North Florida does have its challenges with sandy soils and seasonal patterns of lengthy drought and heavy rainfall. With that said, varieties developed and adapted for our growing conditions are recommended. Forage blends are greatly suggested to increase longevity and sustainability of crops that will provide nutrition for many different species.

Hairy Vetch – Ray Bodrey

In order to be successful and have productive wildlife plots. It is recommended that you have your plot’s soil tested and apply fertilizer and lime according to soil test recommendations. Being six weeks from optimal planting, there’s no time like the present.

Below are some suggested cool season wildlife forage crops from UF/IFAS Extension. Please see the UF/IFAS EDIS publication, “A Walk on the Wild Side: 2024 Cool-Season Forage Recommendations for Wildlife Food Plots in North Florida” for specific varieties, blends and planting information. https://edis.ifas.ufl.edu/pdffiles/AG/AG13900.pdf

Winter legumes are more productive and dependable in the heavier clay soils of northwest Florida or in sandy soils that are underlain by a clay layer than in deep upland sands or sandy flatwoods. Over seeded white clover and ryegrass can grow successfully on certain flatwoods areas in northeast Florida. Alfalfa, clovers, vetch and winter pea are options of winter legumes.

Cool-season grasses generally include ryegrass and the small grains: wheat, oats, rye, and triticale (a human-made cross of wheat and rye). These grasses provide excellent winter forage and a spring seed crop which wildlife readily utilize

Brassica and forage chicory are annual crops that are highly productive and digestible and can provide forage as quickly as 40 days after seeding, depending on the species. Forage brassica crops such as turnip, swede, rape, kale and radish can be both fall- and spring-seeded. Little is known about the adaptability of forage brassicas to Florida or their acceptability as a food source for wildlife.

Deer taking advantage of a well maintained food plot. Photo: Mark Mauldin

For more information, contact your local county extension office.

UF/IFAS Extension is an Equal Opportunity Institution.

Common Wildlife Food Plot Mistakes

Common Wildlife Food Plot Mistakes

8 point buck at night looking at the camera

8 Point Buck Looking At Trail Camera at Night

Hunting season is underway here in Northwest Florida.  With it comes hunters putting in food plots. It’s been dry here but it looks like we are getting some relief.  So, now is a good time to talk a little about common mistakes wildlife enthusiasts make when planting food plots.

Mistake #1 – Not soil testing

Our soils, especially in the forested areas, are typically acidic.  The optimal pH for most cool season food plot plants is 6-6.5.  I see a lot of samples come back at around 5.  This is much too acidic for these plants to thrive.  Soil sampling doesn’t take much time and it is really affordable.  The test costs just $10 per sample.  That’s cheap insurance.

Mistake #2 – Planting with too little soil moisture or during a drought period. 

Even though the optimal planting date is October, if we don’t have adequate soil moisture, you may be wasting time and money.  I’ve seen it many times.  You plant when there’s just enough soil moisture for the seeds to germinate and then it doesn’t rain and the plants dry up and die.  These plants need adequate soil moisture to germinate and grow enough roots to sustain during dry periods.

bobcat walking through food plot

Bobcat Walking Through a Food Plot

Mistake #3 – Using plant varieties that are not adapted to here.  

Every year, our forage specialists evaluate cool season forages for how well they grow here.  They update a publication that is available each year.  This publication gives you plants, varieties, planting dates, planting rates, and more.  If you haven’t taken a look at this publication, you should.  It’s called A Walk on the Wild Side: 2024 Cool-Season Forage Recommendations for Wildlife Food Plots in North Florida.

Cool season food plots are a great attractant for deer.  But many struggle with being successful here in Northwest Florida.  Hopefully, now, you can avoid these 3 common mistakes and have a successful food plot this year.

 

’24-’25 Deer Hunting Regulations in the Panhandle – Check Before You Hunt

’24-’25 Deer Hunting Regulations in the Panhandle – Check Before You Hunt

All graphics and information included are courtesy of myfwc.com.

Here in the Panhandle (FWC Zone D), we are just under 3 months away from the October 26 opening day of archery season. As we move through summer and into the home stretch of hunting season preparations it is important to be sure all hunters understand the current regulations related to deer hunting in our area – it’s more complicated than it used to be.

Deer Management Unit map.
From: https://myfwc.com/hunting/season-dates/dmu-d/ Click on image to make larger.

Following last summer’s discovery of Chronic Wasting Disease in Holmes County, the Chronic Wasting Disease Management Zone and its modified regulations will remain in place for the 2024-25 hunting season, but with some notable changes. The entirety of the Chronic Wasting Disease Management Zone lies within Deer Management Unit (DMU) D2. DMU-D2 is the portion of Zone D which lies north of I-10. As such, there are now some considerable differences in the hunting regulations north and south of I-10. For those of us who live along the I-10 corridor and who have opportunities to hunt on both sides of the interstate this could prove a bit confusing. The following is a discussion of the new regulations and how they differ by DMU.

New for the 2024-25 Hunting Season

The feeding of deer within the CWD Management Zone shall be allowed only during the deer hunting season (October 26, 2024 – March 2, 2025). This regulation is specific to the CWD Management Zone, not all of DMU-D2. Anywhere in Florida outside of the CWD Management Zone feeding stations must be continuously maintained with feed for at least 6 months before they are hunted over. So, unless you are hunting inside the CWD Management Zone, I hope your feeders have already been up and running for quite a while.

Chronic Wasting Disease Management Zone From: https://myfwc.com/research/wildlife/health/white-tail-deer/cwd/ Click on image to make larger.

The take of antlerless deer shall be allowed during the entire deer season in Deer Management Unit D2 on lands outside of the WMA system. For all of DMU-D2 there are no “doe days”. If it is hunting season (October 26, 2024 – March 2, 2025), it is legal to harvest antlerless deer in DMU-D2. This is quite different south of I-10, in DMU-D1, where antlerless deer may only be harvested during archery /crossbow season (Oct. 26 – Nov. 27), youth deer hunt weekend* (Dec. 7–8), and specific dates during general gun season (Nov. 30 – Dec. 1, Dec. 28–29).

Up to three antlerless deer, as part of the statewide annual bag limit of five, may be taken in DMU D2 on lands outside of the WMA system. Outside of DMU-D2, there can be no more than 2 antlerless deer included in the annual bag limit of five deer. Event if you hunt outside of DMU-D2 you still have the opportunity to harvest 3 antlerless deer in the 2024-25 season, but at least one of them must be harvested in DMU-D2. The bag limit of 5 total deer remains in place for all DMUs.

All CWD management related regulations can be found here.

Antler Regulations

While it is not new this hunting season, it should be noted that there are different antler regulations north and south of I-10.

DMU-D1 (south of the intestate) – To be legal to take, all antlered deer (deer with at least one antler 5 inches or longer) must have an antler with at least 2 points with each point measuring one inch or more. Hunters 16 years of age and older may not take during any season or by any method an antlered deer not meeting this criteria.

DMU-D2 (north of the interstate) – To be legal to take, all antlered deer (deer with at least one antler 5 inches or longer) must have an antler with 1) at least 3 points with each point measuring one inch or more OR 2) a main beam length of 10 inches or more. Hunters 16 years of age and older may not take during any season or by any method an antlered deer not meeting this criteria.

In both DMU-D1 & D2 as part of their annual statewide antlered deer bag limit, youth 15-years-old and younger may harvest 1 deer annually not meeting antler criteria but having at least 1 antler 5 inches or more in length.

Florida Antler Regulations
From: https://myfwc.com/hunting/season-dates/dmu-d/

 

Harvest Reporting

Another somewhat new concept that some hunters still might not be accustomed to is Logging and Reporting Harvested Deer and Turkeys. All hunters must (Step 1) log their harvested deer and wild turkey prior to moving it from the point where the hunter located the harvested animal, and (Step 2) report their harvested deer and wild turkey within 24 hours.**

**Hunters must report harvested deer and wild turkey: 1) within 24 hours of harvest, or 2) prior to final processing, or 3) prior to the deer or wild turkey or any parts thereof being transferred to a meat processor or taxidermist, or 4) prior to the deer or wild turkey leaving the state, whichever occurs first.

Hunters have the following user-friendly options for logging and reporting their harvested deer and wild turkey:

Option A – Log and Report (Steps 1 and 2) on a mobile device with the FWC Fish|Hunt Florida App or at GoOutdoorsFlorida.com prior to moving the deer or wild turkey.

Option B – Log (Step 1) on a paper harvest log prior to moving the deer or wild turkey and then report (Step 2) at GoOutdoorsFlorida.com or Fish|Hunt Florida App or calling 888-HUNT-FLORIDA (888-486-8356) within 24 hours.

 

All Florida hunting regulations are available at https://myfwc.com/hunting/ or by downloading The Hunting Handbook