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[AgriLife Today] Texas crop, weather report for Feb. 16, 2016

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By: Robert Burns

Texas cotton ‘actual’ plantings could be down a little compared to last year

Writer: Robert Burns, 903-834-6191, rd-burns@tamu.edu

COLLEGE STATION – The Feb. 5 National Cotton Council’s 35th Annual Early Season Planting Intentions Survey indicated Texas growers intended plantings to be up 5.6 percent over the actual plantings in 2015.

According to the survey, “Overall, Texas cotton acreage is expected to increase by 5.6 percent, with South Texas responsible for the statewide increase. The survey responses indicate that cotton growers expect to plant land that was idled in 2015 due to excessive moisture. Little change in acreage was indicated in the state’s other regions.”

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For the U.S. total, the council’s survey suggests cotton plantings to be up 6.2 percent at 9.1 million acres, with some Southeastern regions seeing deep declines in planting intentions, while the Delta states are looking at eight to 40 percent increases. A summary of the survey results for all the U.S. can be found at http://bit.ly/1oxNIQ5.

The survey showed Texas upland cotton intended plantings at a little more than 5 million acres, up from 2015 actual plantings of 4.8 million, a change of about 200,000 acres.

However, the survey bears some interpretation to get the accurate picture, said Dr. Gaylon Morgan, Texas A&M AgriLife Extension Service state cotton specialist, College Station. There are some extreme changes predicted in cotton acres across the Cotton Belt.

“Based on predictions from last year at this time — 5.3 million expected planting acres — our acreage could actually be down a little bit compared to last year,” he said.

First, the survey is, in a way, comparing apples to oranges, or in this case, comparing intended plantings to actualities, Morgan said. Intended plantings in 2015 were 5.3 million acres. However, due to excessive moisture, more than 500,000 acres were not planted, in particular in the Rio Grande Valley, Coastal Bend, Upper Gulf Coast and definitely the northern High Plains.

From weekly reports by AgriLife Extension county agents across the cotton growing areas, there has been some indication that producers were considering planting less cotton this year because of low prices last year. Moreover, future contracts are suggesting prices will be about the same this year.

The problem is, Morgan said, prices of the usual alternatives to cotton in Texas — corn, wheat and sorghum — are down as well this year.

“We’re really looking at an acreage switch that is going to be minimal, overall a couple of hundred thousand acres,” he said. “Some might switch to sorghum – or maybe to wheat if they got it planted earlier; or, depending upon their irrigation capacity, to corn. But none of the commodity prices look that good, and producers are going to be faced with making some hard decisions to see what crops pencil out the best.”

Morgan said some Rio Grande Valley growers were planning to begin planting cotton this week.

“Part of that situation is they want to take advantage of their current soil moisture situation, which is good,” he said. “Last year, it was too wet to plant, which led to about 40 percent of the intended acres not getting planted. Some folks want to avoid the possibility of being in a similar situation. They also remember the string of years where they didn’t have enough soil moisture to plant. So they are pushing the planting envelope a bit.”

In the Blacklands and Central Texas, the usual planting dates starts about April 1 to May 1. In the High Plains, planting will start around May 15.

“So, despite good soil moisture now, additional rain will be needed to be able to establish the cotton crop,” Morgan said.

It’s a little too early to predict how cotton plantings will go this year, but conditions so far are much more favorable than in recent years, he said.

“However, we will need some in-season rain to obtain the yields necessary to make cotton profitable in 2016,” Morgan said.

AgriLife Extension district reporters compiled the following summaries:

The 12 Texas A&M AgriLife Extension Districts

Central: Soil moisture, rangeland, pastures and overall crop conditions were fair in most counties. Livestock were in good condition. However, high winds and unseasonably warm weather depleted soil moisture. Producers were hoping for rain prior to planting corn and other row crops. A few producers were already planting corn, but others were holding off until late February. Oats and wheat were in poor condition. Stock-water tanks were full.

Coastal Bend: No significant rainfall was received. Persistently dry conditions dramatically changed the soil-moisture profile. Topsoil was dry, but deep subsoil moisture was still available. Most producers finished fertilizing. Corn planting was underway, and some sorghum planting began. Rice planting intentions were up due to the availability of Colorado River water for irrigation. Pastures were dry, but grass was holding its quality. Producers were making prescribed burns. Cattle remained in good condition, thanks in part to the unseasonably mild weather. Early peach varieties were blooming.

East: Drying winds and wildfire danger were the biggest concerns around the region. A few counties reported rain, with Marion County reporting the most at 2 inches. Subsoil and topsoil moisture was adequate except for a couple of counties reporting short. Sunny and warm conditions prompted vegetable producers to prepare fields and plant onions and potatoes. Fruit growers were pruning. Temperature fluctuations, along with drying soil conditions, decreased winter forage growth. Pastures were not growing and were in poor condition, requiring livestock producers to continue feeding hay and supplements. However, most livestock remained in good condition due to the milder-than-normal winter. Spring calving was in progress. Many producers planned to begin turning out bulls for breeding soon. Weaning and selling market-ready calves and cull cows continued. Calf prices were lower on certain classes. Pairs and bred cattle were steady. Feral hog damage was reported.

Far West: Temperatures were above normal, with highs in the low- to mid-70s and lows near freezing to the 40s. Windy conditions with no measureable moisture raised the danger of wildfire. Pastures were greening up some with cool-season forbs and grasses, but their growth was not sufficient to provide needed nutrition for livestock. Some producers were still feeding cattle, both stockers and brood cows, while others were shipping livestock to feedlots. It was the middle of calving season for most herds. Ranchers struggled to maintain the condition of cattle they hung onto throughout the last drought and were providing large amounts of supplemental feed. Lambing and kidding season began. Farmers were preparing cotton fields for planting. Pecan growers were pruning trees.

North: Topsoil moisture varied from adequate to surplus, with some counties reporting shortages. Nighttime temperatures dropped below freezing on many nights. Drier weather allowed soils to dry slightly, permitting fieldwork. Thanks to clearer weather, winter wheat looked a little better. Late-planted winter pastures showed some growth. The last of the cotton crop was being harvested. If dry conditions continued, farmers expected to start planting corn in late February and into March. Ranchers were able to turn cattle back on winter pastures with the drier conditions. Elm trees were budding, peach tree buds were swelling. Livestock were eating more hay than expected, but were generally in good condition as clover and ryegrass pastures slowly came on. Calves were doing well. Wild hogs continued to cause problems and do damage. Hopkins County was declared a disaster zone by the federal government due to damages from December rains.

Panhandle: Open weather allowed producers to do fieldwork, apply fertilizer and repair equipment in preparation for spring plantings. Pasture and rangeland were in fair to good condition across most of the region, with a few counties reporting poor conditions and a few rating it excellent. Subsoil and topsoil moisture was short to adequate. Winter wheat was nearly all emerged and reported in fair to good condition, with a few reporting excellent. In some areas, the crop needed water. Cows on dormant range were being fed supplements. Calving was in full progress in some areas, while in others ranchers were beginning spring roundups and weaning calves. Cattle on wheat pasture were doing well due to mild weather. The biggest concern across the region was the high potential for wildfire.

Rolling Plains: Warm weather allowed farmers to do fieldwork. Wheat was generally greening up and growing, and stocker cattle on wheat were gaining and doing well. There were concerns about rust in wheat along with other fungus issues due to the wet winter conditions. Wildfire danger was an issue, and a few small burns had to be controlled. Wind and warm temperatures were rapidly drying out soils. Some small grains showed growth.

South: The region continued to be cold and dry with no rain received in any county. In the northern part of the region, potato and wheat plantings were completed, with most of the latter crop already emerged. Some early corn planting began, and farmers increased irrigation of some crops due to dry conditions. Soil moisture was short in Frio and McMullen counties. Atascosa County had 70 percent adequate subsoil and 80 percent short topsoil moisture. Live Oak County had 90 percent adequate soil moisture. In the eastern part of the region, early-morning frosts and lack of rain caused rangeland and pastures to decline. Beef cattle body condition declined because of poor forage quality. Local cattle markets averaged sales of 500 to 600 head per week, with prices holding steady. In Jim Wells County, the demand for replacement cows remained good, but prices varied tremendously depending upon age and quality. Soil moisture was adequate in Brooks, Kleberg and Kenedy counties, and 100 percent short in Duval and Jim Wells counties. In the western part of the region, dry conditions kept producers busy irrigating carrots, cabbage, spinach and onions. Spinach and cabbage harvesting was active. Leaf and stem rust on wheat was reduced, probably as a result of extremely dry conditions. Available cool-season forages continued to decline on native rangeland and pastures, causing ranchers to increase supplemental feeding. Soil moisture was short in Dimmit and Zavala counties, and adequate in Webb County. In the southern part of the region, farmers were fully engaged in planting row crops, particularly grain sorghum. Cabbage, broccoli and tomatoes progressed well in Cameron County, and there was some harvesting of lettuce. In Hidalgo County, sugarcane, citrus and vegetable harvesting was active. Field preparations for spring plantings were also going strong in Hidalgo County. Soil moisture was adequate in Cameron and Starr counties, while in Hidalgo County, it was short to adequate.

South Plains: Producers throughout the region were taking advantage of milder weather and drier conditions to do fieldwork: tilling, incorporating pre-plant herbicides, applying fertilizer, plowing under cotton stalks and preparing planting beds. Winter wheat was growing, but in some areas, it could use more moisture. Some farmers began pre-watering for cotton planting. With low commodity prices, many farmers were struggling with hard choices on what to plant. With cottonseed prices expected to decline, gins and elevators were offering production programs to entice farmers to grow cotton.

Southeast: Soil moisture throughout the region varied widely but was mostly adequate to surplus, with adequate ratings being the most common. Fort Bend and Walker counties reported 100 percent adequate moisture. Rangeland and pasture ratings varied widely too, mostly from fair to poor, with fair ratings being the most common. Walker County had warmer weather, which promoted cool-season forage growth. Brazos County had no measurable rainfall, above-average temperatures and windy weather. Corn producers were preparing to plant soon. In Grimes County, unusually warm weather allowed for more fieldwork. Waller County was still having cold, frosty mornings. In Chambers County, farmers were gearing up for fieldwork. Fields there remained wet but were drying out quickly. Fort Bend County had dry weather as well, and producers expected to be able to plant corn soon. They will likely follow planting corn with grain sorghum by the end of the month. Livestock were in good condition, and pastures were in fair condition but needed rain.

Southwest: Winds and warmer temperatures were quickly drying out soils. Continued dry conditions caused some areas to institute burn bans. Rain was also needed to help with spring planting. Peaches needed a few more chilling hours. Most small grain crops showed moisture stress. Livestock were in fair condition. Lambing and kidding continued.

West Central: The region had dry, windy conditions with cold nights but unseasonably warm days. Soil moisture continued to decline. Rangeland wildfires were still a concern in all areas. Field activities increased. Preparations for spring planting were underway. Winter wheat broke dormancy and showed noticeable growth. Some insect issues were reported. Most small grains remained in fair to good condition despite lack of moisture but needed rain soon for continued growth. Cotton harvesting was mostly completed, and local gins expected to finish processing in the next couple of weeks. Overall, cotton yields were slightly below average, along with lower lint grades. Rangeland and pastures were improving. Livestock remained in fair to good condition with continued supplemental feeding.

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Farm & Ranch

Frog Fruit

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By Tony Dean, tonydean.tx1@gmail.com

Frog fruit is a native, low-growing perennial forb adapted to most of the eastern U.S., but few grazers know it well. It contributes more to our plant communities than we realize. It generally grows no more than a few inches tall and roots at the nodes. It can form dense mats several feet across and develop runners up to 3 feet long.

The leaves are thick, one to two inches long and 3/8 inch wide, and toothed from the middle to the tip. Tiny white flowers form a ring around a flower head, and the head then elongates into a cylinder an inch long or longer. Frog fruit has a four-angled stem.

Frog fruit can grow almost anywhere in Texas and on many soil types. It can grow in drier soils and likes good drainage, but it needs additional moisture to survive the hottest months. You can find it almost anywhere in a pasture, though it often grows in depressions and near water sources.

“Frog fruit is used as forage by livestock and deer. I recall an instance when I was moving cattle from one pasture to the next on a Jack County ranch. As I opened the gate, I stood by a beautiful green plant of switchgrass which I expected to be immediately grazed down. The cattle walked right by the switchgrass and stuck their heads in a small patch of frog fruit a few feet away,” Dean said.

Frog fruit is gaining popularity as a ground cover for homes and gardens for these reasons:

  1. Frog fruit grows quickly, maybe too quickly. If it gets out of bounds, you can always trim it back.
  2. Frog fruit is low maintenance. Once you get it established with adequate watering, it can survive with little care.
  3. Frog fruit has a long bloom period, from April to October.
  4. It is a host plant for several butterfly species and other insects.
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Farm & Ranch

Theileria orientalis

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By Barry Whitworth, DVM

Over the past few years, veterinarians have detected Theileria orientalis in Oklahoma cattle. Early cases were primarily diagnosed in adult cattle, but more recent Oklahoma cases have been identified in stocker cattle. All cattle producers should be familiar with the clinical signs of this disease and check their cattle daily for signs of trouble.

The first U.S. case of theileriosis was identified in Virginia in August 2017. Those cattle showed weakness and anemia, and veterinarians made an initial diagnosis of anaplasmosis. Blood samples from the animals were tested for Anaplasma, Babesia and Leptospira. Results were negative for all three, but the tests revealed a blood protozoan, later identified as T. orientalis genotype Ikeda. Since that first herd outbreak, the organism has been detected in several states.

Cattle sick with T. orientalis genotype Ikeda may show fever, weakness, anorexia and exercise intolerance. If forced to move, affected cattle may stagger and gasp for air. If stressed excessively, they may collapse and die. On examination, the gums, eyes or vaginal mucosa may appear pale (white) or yellow. Reproductive losses, including stillbirths and late-term abortions, may occur, along with a drop in milk production.

Clinical signs reported in adult cattle in Oklahoma include anemia, sudden death, weight loss, abortion, failure to thrive and failure to calve. In stocker cattle, producers have reported weight loss, anemia, poor performance and sudden death.

Because Anaplasma marginale and T. orientalis genotype Ikeda produce similar clinical signs, telling the two apart can be difficult. One difference is that clinical signs are more common in young cattle infected with T. orientalis than in young cattle infected with A. marginale. Cattle with anaplasmosis also often display aggression, while those with T. orientalis genotype Ikeda typically do not. A laboratory test is required to tell the two diseases apart with certainty.

Researchers have identified Haemaphysalis longicornis as a possible vector of T. orientalis genotype Ikeda. In 2017, the U.S. Department of Agriculture’s (USDA) National Veterinary Services Laboratories (NVSL) confirmed the presence of H. longicornis, commonly called the Asian longhorned tick (ALT) or bush tick. While trying to determine how the tick arrived in the United States, USDA officials discovered it had been present in West Virginia as early as 2010. The tick has now been confirmed in at least 26 states, including Oklahoma. Some evidence suggests other insect vectors may also transmit T. orientalis genotype Ikeda. Needle transfer is another possible route of transmission.

The ALT has been identified in Craig and Mayes counties in Oklahoma. This tick thrives in areas with high humidity, such as wooded regions, brush or tall grass. Ticks are often found where large numbers of wildlife gather, such as along deer trails. Producers can find more information about the ALT on the USDA website at https://www.aphis.usda.gov/livestock-poultry-disease/cattle/ticks/asian-longhorned.

Other countries have developed treatments for T. orientalis, but no approved treatments are available in the United States, and no vaccine exists for this disease. The best defense is prevention: buying cattle free of the organism, avoiding blood transfer between animals and using effective tick control. Producers should purchase cattle from reputable sources. Clean instruments between animals during procedures such as castration or dehorning, and change needles between every animal. Control external parasites with appropriate insecticide treatments. Pasture management also helps, such as rotating cattle away from wooded or brushy areas where ticks thrive. Patch burning may also help reduce tick populations.

Theileria orientalis remains a concern for some cow/calf and stocker producers in Oklahoma. Producers who want more information about T. orientalis genotype Ikeda should contact their local veterinarian or Oklahoma State University County Extension agriculture educator.

References

Hammer, J. F., Emery, D., Bogema, D. R., & Jenkins, C. (2015). Detection of Theileria orientalis genotypes in Haemaphysalis longicornis ticks from southern Australia. Parasites & Vectors, 8, 229.

Oakes, V. J., Yabsley, M. J., Schwartz, D., LeRoith, T., Bissett, C., Broaddus, C., Schlater, J. L., Todd, S. M., Boes, K. M., Brookhart, M., & Lahmers, K. K. (2019). Theileria orientalis Ikeda genotype in cattle, Virginia, USA. Emerging Infectious Diseases, 25(9), 1653-1659.

Spickler, Anna Rovid. (2019). Theileriosis. Retrieved from http://www.cfsph.iastate.edu/DiseaseInfo/factsheets.php.

Watts, J. G., Playford, M. C., & Hickey, K. L. (2016). Theileria orientalis: A review. New Zealand Veterinary Journal, 64(1), 3-9.

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Is the Pond Safe for Livestock?

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By OKFR Staff

During the hottest part of summer, a farm pond can look like a welcome source of water. Cattle may be standing belly-deep along the bank, and the pond may still hold enough water to seem dependable. Looks alone won’t tell you whether that water is safe.

Hot weather, limited rainfall and falling pond levels can create water-quality problems. As water evaporates, salts, minerals, nutrients and other substances become more concentrated. Warm, still water can also encourage blue-green algae, and some forms can produce toxins capable of killing livestock.

Producers sometimes treat water as an afterthought compared to grass, hay and supplemental feed. Livestock need a dependable supply of clean water to maintain feed intake, regulate body temperature and support production. Poor-quality water can reduce consumption and performance even when it does not cause obvious poisoning.

A pond that has watered cattle for years is not safe under every set of conditions. Pay particular attention during drought, extreme heat or any period when the water level drops significantly.

Watch the Water and the Livestock

One of the most serious late-summer concerns is a bloom of cyanobacteria, commonly called blue-green algae. These organisms live naturally in many bodies of water, and most do not produce dangerous toxins. The risk rises when certain toxin-producing species multiply rapidly under favorable conditions.

According to Oklahoma State University Extension, toxic blue-green algal blooms typically develop in standing water after periods of hot, dry, calm weather. Nutrients such as nitrogen and phosphorus can fuel excessive growth. Those nutrients may reach a pond through manure, fertilizer runoff, soil erosion and decaying vegetation.

A suspicious bloom may turn the water bright green, blue-green, pea-soup green or even brownish. Scum, foam or mats may collect along the shoreline, particularly where the wind pushes floating material into one area. Some blooms look like spilled paint.

Not every green pond is poisonous. Common aquatic plants and harmless algae can also change the color or surface of the water. You usually cannot tell whether a bloom is toxic by looking at it, and a pond can contain toxin-producing cyanobacteria without showing every commonly described warning sign.

Keep livestock, horses, pets and people away from water that has an unusual color, heavy surface scum, a bad odor or unexplained dead fish or wildlife nearby. Do not let livestock drink from another part of the same pond on the assumption that the water is safe there. Wind can move a bloom, and toxin levels may vary across the pond.

Blue-green algae can produce toxins that affect the nervous system or liver. Depending on the toxin and the amount consumed, affected animals may develop weakness, staggering, difficulty breathing, tremors, convulsions, diarrhea or collapse. In severe cases, owners find animals dead near the water before realizing anything is wrong. Treatment often fails, which makes prevention especially important.

Treat any suspected poisoning as an emergency. Move the herd away from the water source without driving or stressing animals that may already be affected. Provide another clean water supply and contact a veterinarian immediately. Your county Extension office can also help you determine where and how to submit a water sample.

Blue-green algae is not the only potential problem. Pond water may contain elevated levels of dissolved salts, sulfates, nitrates, bacteria or other contaminants. Runoff can carry manure, fertilizer, pesticides and organic matter into the pond. Low water levels make some of these problems worse because the remaining water grows more concentrated.

Water with excessive dissolved solids may taste bitter or salty, so animals drink less of it. Depending on the substances involved and their concentrations, poor-quality water may contribute to diarrhea, reduced feed intake, poor weight gain or other health concerns. Young animals and livestock that are not used to the water may be more vulnerable.

Watch the cattle themselves, too. Are they reluctant to drink? Are they crowding around a different water source? Has feed intake or weight gain dropped without an obvious explanation? Are several animals having digestive problems? Changes across multiple animals can be an early clue that you need to look at the feed or water.

OSU Extension recommends collecting a representative sample and submitting it for a livestock water test whenever you suspect a water supply is harming animal health or performance. A standard livestock water test covers several characteristics, but blue-green algae can require different sampling and testing procedures. Contact the laboratory or county Extension office before collecting the sample so you take it from the right location, use the proper container and handle it correctly.

Reduce Problems Before They Develop

Good pond management cannot eliminate every water-quality problem, but it can lower the risk. One of the most effective steps is limiting the manure, soil and nutrients that enter the water.

Cattle with unrestricted access to an entire pond can damage the banks, muddy the water and deposit large amounts of manure in or near it. Hoof traffic strips vegetation and speeds erosion. Sediment fills the pond over time, while manure supplies nutrients that can encourage excessive algae growth.

Where practical, fence livestock away from most of the pond and provide a limited-access watering point. Another option is piping water to a trough below the dam or elsewhere in the pasture. OSU notes that reducing cattle manure in the pond can reduce the conditions that favor toxic algae and make the water more palatable.

A vegetated buffer around the pond can slow runoff and trap soil and nutrients before they reach the water. Apply fertilizer and manure carefully in the watershed, particularly before heavy rain, and do not let large amounts of hay, feed or organic debris pile up at the water’s edge.

Alternative watering systems need maintenance, too. Check troughs for algae, manure, drowned animals and other contamination. Install wildlife escape ramps in tanks so birds and small animals can climb out instead of drowning and fouling the water.

Be cautious about treating a pond on your own. Some owners use copper sulfate and other algaecides for algae control, but improper treatment can create new problems. Killing a large amount of algae or aquatic vegetation at once can deplete dissolved oxygen as the material decomposes, which can lead to a fish kill. Treatment may also release toxins from affected cyanobacteria into the water. Base any chemical application on proper identification and professional recommendations, not guesswork.

Livestock should always have enough water for the weather, their size and their stage of production. Demand rises sharply in hot weather, and a pond that barely meets the herd’s needs in spring may fall short in August. Check the source regularly instead of waiting for cattle to gather around a muddy shoreline.

Ponds can fool you. Crystal-clear water isn’t always safe, and a green pond doesn’t always mean toxic algae. Regular observation, testing and prevention are the best ways to keep a pond safe for your herd.

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