Farm & Ranch
[AgriLife Today] Texas crop and weather report for June 20
By: Adam Russell
Summertime vegetable pests emerging
- Writer: Adam Russell, 903-834-6191, adam.russell@ag.tamu.edu
- Contact: Dr. Mike Merchant, 972-952-9204, michael.merchant@ag.tamu.edu
COLLEGE STATION – Pest problems for vegetable producers and gardeners are popping up around the state, according to a Texas A&M AgriLife Extension Service expert.
Dr. Joe Masabni, Texas A&M AgriLife Extension Service horticulturist, sprayed his tomato trial plots with Thuricide to address spider mites, a common summertime pest in vegetables. (Texas A&M AgriLife Extension Service photo by Adam Russell)
Conditions have been good for vegetable production around much of the state following mild spring conditions and ample rains, but the weather is also setting the stage for pests, said Dr. Mike Merchant, AgriLife Extension entomologist, Dallas.
Merchant said it is the time for spider mite emergence in home gardens.
“My personal garden is showing signs of spider mites right now,” he said. “Although I choose to not spray my tomatoes, some gardeners will want to extend the life of their tomatoes with treatments such as insecticidal soap or horticultural oil.”
Merchant said he has not received reports or calls regarding stink bugs but that several varieties, including the Bagrada stink bug, a variety new to Texas and “generalist” feeders that usually prefer vegetables in the cole family can cause problems for vegetables.
“We expect to see Bagrada stink bug become common in mid- to late-summer,” he said.
Merchant said growers and gardeners alike should also be aware of squash vine borers, which lay eggs on plant stems. The emerging caterpillars bore into and hollow out the vines eventually killing the plant.
“The key to squash vine borer control is to treat early, before borers enter the stems and damage shows up,” he said. “Two applications of a labeled insecticide, seven days apart, should help control the newly hatching caterpillars before they enter the stem. Sprays must penetrate the canopy to reach the stems, where the borers lay their eggs.”
Merchant said gardeners with just a few plants may want to go to the trouble of treating vines individually. They can cut the vine or use a syringe to inject Bacillus thuringiensis, a naturally occurring bacteria that controls pests, inside the stem.
Squash bugs represent another tough pest that typically emerges mid-summer as temperatures rise, Merchant said.
“Squash bugs are challenging to control,” he said. “Some of the pyrethroid insecticides can be effective, but users should be aware of the pre-harvest interval on the label, that is how long they must wait before harvest after an application.”
Merchant said home gardeners should learn how to identify squash bug eggs and inspect their plants carefully for eggs, nymphs and adults.
“Then they can use an old-fashioned control technique that nearly always works,” he said. “Squish them.”
AgriLife Extension district reporters compiled the following summaries:
CENTRAL: There was a lot of hay baled during the reporting period. Watermelon and cantaloupe harvests were going full steam, and quality was excellent. Livestock were in good condition and stock tanks were full. Corn looked good. Moderate summer conditions were beneficial for corn and grain sorghum. Some cotton was squaring. Spider mites were in cotton. Farmers sprayed for leafhoppers and were about to spray for spider mites. Most counties reported good soil moisture, and nearly all reported good overall crop, rangeland and pasture conditions. All counties reported good overall livestock conditions.
ROLLING PLAINS: Conditions were hot and windy. Soil moisture declined significantly. Pastures started to lose their green and were becoming more of a fire danger. Dry planted cotton really needed rain. Grass hay was being baled. Livestock were in good condition with some producers beginning to feed hay or supplements, while others were beginning to sell off calves and older cows. Wheat harvests concluded, and producers were preparing fields for next year’s crop.
COASTAL BEND: There was no rainfall and conditions were hot and windy. Soil moisture declined rapidly due to hot, dry weather. Sorghum was starting to color. Corn fields were drying down and corn was in dough stage. Some corn producers were spraying for rust. Cotton looked good and was setting bolls. Rangeland and pastures needed rain. A lot of haymaking was underway. Livestock were doing well with prices holding steady.
EAST: Weather conditions remained good with scattered rains around the district. A break in the rainfall allowed producers to cut and bale hay. Pasture and rangeland conditions were reported as fair to good, with Rusk and Marion counties reporting excellent conditions. Weed control was going well in Upshur County. Some producers in Cherokee County were fighting armyworm infestations. Subsoil and topsoil conditions were mostly adequate. Angelina County reported short conditions, and Shelby County reported surplus conditions. Trinity County reported hard, blowing winds were drying up topsoil moisture. Harvests of vegetables were underway. Anderson County reported good sales on all vegetable crop yields. Field corn was planted in stages due to rain. Reports of corn stages varied from silking to dented. Onions, squash, potatoes and tomatoes were marketed in Smith County. Producers continued to work cattle. Livestock were in fair to good condition. Prices remained stable in Shelby County. Horn fly numbers were on the rise. Wild hog activity increased. Timber harvests in Anderson County picked up now that conditions were drying out.
SOUTH PLAINS: The district experienced high temperatures at or above 100 degrees, including a report of 112 degrees on one day, and peak winds above 32 mph for eight days straight before a cool front lowered temperatures. Only light rainfall amounts fell in most areas, with 0.1 of an inch up to 2 inches in some areas. The moisture was desperately needed. Some counties received hail and lost a couple thousand acres. About half the dryland cotton acres have poor stands or no emergence. Producers were supplementing with irrigation. Early planted irrigated cotton was nearing first square. Corn was nearing tassel. Wheat harvests continued. Pastures and rangelands were in fair to good condition. Cattle were in good condition.
PANHANDLE: Conditions were hot, dry and windy for most of the district. Temperatures were average to above average in most areas including triple digits and record highs. Soil moisture was declining with the high temperatures and windy conditions. Moisture was needed throughout the district. Grasslands were drying quickly with the heat and wind. Deaf Smith County producers were busy harvesting wheat fields and running irrigation on corn and cotton. The wheat crop was coming out quickly with reports of average to a little above average yields on some irrigated wheat. There was one report of wheat yields “way above average.” Corn fields were coming along with most of it being watered as fast as possible. Most cotton looked good. Irrigated cotton was doing well, but dryland cotton needed moisture. Rains and storms came through Hall County and provided much needed moisture, but hail and high winds caused damage to fields. The moisture will be good for pasture and cattle conditions there. Sorghum was being planted behind harvested wheat.
NORTH: Topsoil and subsoil moisture levels ranged from mostly adequate to short with a few counties reporting surplus. The weather was very dry with little to no rain. Temperatures reached the upper 90s in most areas. High winds and high humidity allowed wheat farmers to continue harvesting their winter grasses. Summer grasses and hay were in excellent condition. Spraying continued on harvested hay pastures. Corn, soybeans, grain sorghum and cotton appeared to be doing very well. Livestock pastures looked good. Disease pressure was high on tomatoes and watermelons. Spring-born calves looked nice, and the cattle market was strong.
FAR WEST: Temperatures ranged from 70 at night to 117 degrees in the daytime. Strong winds caused some large tree limbs to fall and dried out what little topsoil moisture there was. Dry conditions and high winds also caused a sand storm. Most cotton emerged except for the last fields planted and it was questionable whether those fields would emerge. Irrigated cotton was holding up but pumps were running hard. Sorghum was starting to show heat stress but still recovering at night. Corn was tasseling, and the heat was not good for pollination. Pastures needed a good rain. Rain reports ranged from 0.25 of an inch to 1 inch. Pea- to quarter-size hail was reported in some areas. Supplemental feeding of livestock and wildlife continued. Late working of lambs and goats continued.
WEST CENTRAL: Conditions were hot, dry and windy. A few areas reported scattered rain showers. Many areas experienced triple-digit temperatures. Good soil moisture was not expected to last long with high temperatures and winds. A few areas continued to finish wheat harvests, and producers were planting cotton as quickly as possible behind harvest. Plowing was underway in some fields after grain harvests were completed. Grain sorghum was in good condition in areas that received rainfall. Sorghum looked poor in other areas that needed rain. Hay and forage crops were in good condition. Many farmers started cutting and baling Coastal Bermuda for hay. Rangeland and pasture conditions remained good and were improving due to recent rainfall. Very hot, dry conditions were forecast and weather likely will have an adverse effect on pasture and crop conditions. Temperatures were expected to be in the triple digits in most areas. Quail call counts were up from 2016. Wildlife managers were expecting a healthy population. Livestock remained in fair to good condition. Cattle prices were down a little on all classes of cattle.
SOUTHEAST: Temperatures were hot, with highs mostly in the 90s. Rice was planted in Chambers County. Livestock were in good condition, but pastures were drying. Areas that received rain reported 1-2 inches or more. Most fields in Brazos County were extremely wet. Fertilized fields were in good shape. Many fields were harvested for hay in the last 10 days. Soil moisture levels throughout the district were adequate to surplus with mostly adequate ratings.
SOUTHWEST: Hot, dry weather reduced soil moisture levels. Hay was made while corn and sorghum were looking good so far. Rangelands and pastures were starting to show some heat stress. There was no rain in the forecast. Livestock were still in good condition.
SOUTH: Temperatures continued to rise throughout the district. Highs were in the upper 90s with reports over 105 degrees. No rainfall was reported. Rangeland and pastures were showing signs of stress, but crop production benefited from the hot, dry weather. Potato and sweet corn harvests continued and should be completed by the next reporting period. Corn was maturing and sorghum was turning color. Cotton was moving from the squaring stage to the boll-setting stage. Peanut planting in Frio County was completed. Fire danger increased because of very dry forage. Some roadside spot fires occurred. Most pastures remained very green from rains that occurred during the previous reporting period. Forage also remained in abundance in those areas, and wildlife habitat was also in good condition for deer, quail, dove and turkey. Body condition scores on cattle remained fair. The live cattle market dropped a small percentage in Brooks County. Crops were being irrigated by using both the Quemado and El Indio canal systems. Watermelon and cantaloupe crops were doing well. Pecans also progressed well. Hay baling and buffel grass seed harvest operations were active, and preparations for row crop harvests continued.
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Farm & Ranch
Tracks in the Sand
This morning, I walked out into my arena and noticed something that gave me pause. The roping steers had been in there the day before, and even though the ground was wide and level, the sand carried their story. Hoofprints crossed every direction, but in several spots, the same trail was pressed deeper than the rest. Twelve steers had been turned out, yet more than a few chose the exact same path, wearing it down until it stood out from all the other tracks.
Cattle are creatures of habit. Anyone who has spent time around them knows this. They like routine: the same feed, the same water trough, the same shade tree in the pasture. When they are turned loose, they rarely wander without purpose. More often than not, they move together, following the same course as the steer in front of them. There are reasons for this: efficiency, safety, instinct. Walking a beaten path conserves energy, and following the herd is their natural defense. Even in an arena with no real destination, those instincts come through. By the end of a short turnout, you will see the evidence, lines where they have chosen the easiest way to travel and stuck with it.
Out on the range, those lines last longer. Before fences and highways, cattle drives cut deep paths across the land. The Chisholm Trail, which carried herds north from Texas through Oklahoma into Kansas, was walked by millions of cattle in the late 1800s. More than a century later, faint traces of those trails remain, worn so deep by hooves and wagon wheels that the land still carries the mark. On ranches today, you can see the same effect in pastures where cattle walk the same lines between water and grazing. From the ground those trails might look like nothing more than dusty ruts, but from the air, they sometimes stand out as sharp lines winding through otherwise open fields. Cattle do not simply pass over the land; they shape it. Every step adds up.
That simple truth extends beyond livestock. We all make tracks. Our habits and routines are our trails, worn in by repetition, sometimes efficient, sometimes limiting. Like the cow paths, they can serve a purpose, keeping us steady and helping us move forward. But when repeated without thought, they risk becoming ruts, keeping us from stepping into new ground. History offers perspective here too. The old cattle trails built towns and economies, but once railroads and fences changed the landscape, those paths were no longer useful. Sticking to them would have meant going in circles. Progress required something new.
The Tracks We Leave
Standing in the arena, I thought about the kind of tracks I leave behind. Most of mine are not visible in the dirt. They are pressed into my daily life, how I work, the way I handle challenges, the example I set. Some are helpful and worth keeping. Others may have outlived their purpose. The difference comes in knowing when to stay in the track and when to step out of it.
Tomorrow I will drag the arena and smooth it all clean again. The next time the steers are turned in, they will make the same trails. That is their nature. But unlike them, I have a choice. I can decide which paths are worth walking, which ones to change, and what kind of tracks I want to leave for others who might follow.
Tracks tell a story. Sometimes they are only temporary, fading with the next rain. Other times they last for generations, reminders of where herds and people once walked. This morning, the cattle showed me again that even the smallest things on the ranch carry meaning. Their tracks in the arena were not just marks in the sand. They were a lesson: every step matters, and the paths we choose shape more than just the ground beneath our feet.
Farm & Ranch
Grazing North Texas – American Lotus
Farmers and ranchers are in a very close partnership with Mother Nature. If we really pay attention, she presents us some interesting scenarios.
For example, though they are totally different types of plants, water lilies and prickly pear have a lot in common. They both have strikingly beautiful flowers, both plants are edible, both of them are invaders into their respective habitats, and too much of either one can be an obstacle that we have to deal with.
Many north Texas ranches rely on excavated ponds for livestock water. Any time a pond contains a significant amount of shallow water so that sunlight reaches the bottom, some type of pond weed will develop. The plant family that includes water lilies and lotuses is a common invader in our livestock water.
Water lilies and lotuses are in the same plant family but they are two separate genera. There are easy ways to tell them apart:
• A primary difference is that water lily leaves commonly float on the surface, but lotus leaves can grow above the water line.
• Water lily leaves and flowers are thick and waxy, while lotus leaves and flowers are thin and papery.
• Water lily leaves have a distinct notch in the leaf, while lotus leaves are more rounded.
• Water lily flower petals are pointed, and lotus petals are more rounded.
The photos attached to this writing are from Clay County, and this plant is common across north Texas. American lotus is adapted to a wide area, from Honduras north through Mexico and across the eastern US and into Canada.
American lotus is a perennial, and it is cold tolerant and heat tolerant. It can grow in any pond or slow moving stream that contains shallow water areas. It prefers water with a depth of about 12 inches. Germination can occur from the large lotus seeds. Tubers, or roots, are established in the mud, and long slender stems extend upward. Leaves and flowers are both emergent in that they grow above the water line.
Lotus flowers are fragrant, and yellowish white with rich gold centers. They open in the morning and close by late afternoon, then open again the next day.
Lotus is an edible plant and has a history as a food source. The large tuberous roots, the size of a human arm, were baked like sweet potatoes. The leaves were eaten like spinach, and the large seeds were ground into flour. Stems taste somewhat like beets and were usually peeled before being eaten.
There is a large world-wide industry of cultivating lilies and lotuses in water gardens. According to Dr. Jerry Parsons, Professor and Extension Horticulturist with Texas A&M AgriLife Extension, cultivation of these plants dates back as early as ancient Egypt. Today, anyone with determination and a little money can have a water garden.
In 2011, the 82nd Texas Legislature designated the water lily “Texas Dawn” as the official Texas State Water Lily. Texas Dawn is a hybrid developed by Texas resident Kenneth Landon, a world-renowned expert in the field of water lilies and the director of the International Water Lily collection in San Angelo.
Ducks and other wildlife utilize the large acorn like seeds of American lotus, and submerged portions of all aquatic plants provide some form of wetland habitat. Many of us have tried to pull a bass out of a group of water lilies or lotuses, and I’m sure others have had better luck than I did. Although there can certainly be benefits to lilies, lotuses, and other aquatic plants, they can also infest ponds to the extent that the pond is not functioning correctly.
So, while the rest of the world works hard to grow these plants, ranchers sometimes need to control populations in their stock ponds. Once it gets a foot hold, American lotus can spread aggressively in wetland areas.
The primary issue that encourages American lotus, and most other water weeds, is shallow water. Look closely at a good livestock pond and you will find that the deeper water is basically free of infestation. Any pond will have a certain amount of shallow water that encourages water weed growth, depending upon the terrain at the pond site and how the pond was constructed. Some ranchers who enjoy and utilize wetland habitat may prefer to have ponds with significant shallow water area.
Almost all livestock ponds have a certain life expectancy. Siltation, or movement of soil into the pond bottom through rainfall runoff, is a natural occurrence. How fast siltation occurs into each pond, and how deep the pond was to start with, determines the length of time that the pond will contain adequate depth for dependable water for livestock.
Ponds that develop infestations of water weeds over a large percent of the surface may not have adequate depth to remain a viable water source for livestock during drought periods, especially in western north Texas where evaporation rates are higher.
Mud, or silt, from the pond bottom, can be removed to deepen the water, but this is a very expensive process. It is often more economical to construct a new pond rather than try to remove the silt from an old one. Most of us do not have the funds to continually construct deep water livestock ponds, so we must try to keep existing structures functioning and providing good drinking water for livestock, for as long as we can. Control of pond weeds like American lotus may be necessary, and it can be accomplished.
There is currently no feasible biological control. American lotus can be cut and removed, but this process us usually temporary because lotus can reestablish from seeds and roots.
American lotus can be safely controlled by chemicals. This must be done carefully. If a pond containing a large amount of any pond weeds is treated to remove all of the vegetation, a fish die-off could occur. When the dying weeds decompose, they use up the oxygen in the water and fish can suffocate. If possible, treat only a portion of the area, wait about two weeks, and treat another portion.
Farm & Ranch
The Many Benefits of Rabbit Manure
By Landon Moore
Rabbits offer a lot to the home gardener, and perhaps the most useful of all is their waste. Rabbit manure is likely the single most versatile and valuable fertilizer of any animal manure. It’s a “cold” manure, meaning it can be applied directly to plants in any form without the risk of burning them. In contrast, manure from sheep, horses, cows, and especially poultry must be aged before it’s applied, or it may damage plants. Because rabbit manure doesn’t need to be aged, it retains more of its nutrients and is therefore twice as rich as chicken manure and four times more potent than horse or cow manure. Rabbit manure is safe to apply to soil growing edible crops, has virtually no smell, and contains no harmful seeds. It can be used immediately, or be dried, powdered, made into tea, or turned into worm castings. A single trio of rabbits and their offspring can produce up to two cubic yards of fertilizer per year, along with 100 to 200 pounds of meat.
Rabbit manure is in such high demand as a fertilizer, particularly for roses, that it’s often sold online at a premium price. Some rabbitry owners even charge people to come scoop the manure themselves, paying by the bag. Larger rabbitries might sell by the truckload, but many owners keep it all for their own gardens. You may wonder what makes this little mammal’s excrement so uniquely useful. To understand, we first need to look at the qualities that make it special and then explore its various applications.
To begin with, let’s take a closer look at a rabbit’s biology. Contrary to popular belief, rabbits are not rodents but belong to the order Lagomorpha and family Leporidae, along with hares. All domestic rabbits are domesticated European rabbits (Oryctolagus cuniculus) and are unable to produce fertile offspring with American cottontails. Rabbits are considered “pseudo-ruminants” because they have a single-chambered stomach, but they also have an organ called the cecum, which functions similarly to a rumen and makes up about 40% of their digestive tract. They are crepuscular, meaning they are most active at dawn and dusk, typically feeding in the evening.
Rabbits actually produce two kinds of manure. The familiar dry pellets make up most of their waste, while the other type, known as “cecotropes,” is a moist and smelly substance resembling tiny bunches of grapes. Cecotropes are not fully digested, and because rabbits cannot chew their cud, they reingest the cecotropes as they are excreted. This fermented substance allows the rabbit to absorb more nutrients than it would through initial digestion. While cecotropes are occasionally found in cage trays, the feeding behavior that leads to them is usually only witnessed by the rabbit owner.
The dry pellets are the true manure that most people are familiar with. These small, round, dry pellets have almost no smell when kept dry. When crushed, they break down into a powder resembling tiny grass fragments because, in essence, that’s what they are. Some people crush the pellets before applying them to speed up their absorption into the soil, while others appreciate their “slow-release” feature. Additionally, the manure’s water solubility can be exploited in several ways. Soaking a wheelbarrow full of manure creates a potent sludge that can be easily applied to flat surfaces. If the odor is not an issue, the smell will dissipate once the manure is either dissolved by moisture or dried by the sun. Another method is to make manure tea: fill a cloth bag with manure, seal it, and submerge it in a barrel of water for a few weeks. A simpler method involves placing damp manure at the bottom of a barrel, filling it with water, and letting it sit in the sun for a couple of weeks. Stir occasionally, and you’ll have a powerful liquid fertilizer ready for use.
Domestic rabbits should be fed a modern, pelleted feed, which provides all the nutrients they require. This diet eliminates the risk of noxious seeds being present in the manure, making it safe to apply directly to the lawn, especially during winter. Winter and spring rains will break it down, and by late spring, you’ll have a healthy carpet of turf.
Rabbit manure’s nutrient content varies depending on factors like storage, age, and diet, but it generally contains around 2% nitrogen (N), 1.3% phosphorus (P), and 1.2% potassium (K). The Oregon Extension Service gives a range of 3-4.8% nitrogen, 1.5-2.8% phosphorus, and 1-1.3% potassium. Even at the lower end of the scale, rabbit manure has higher nitrogen content than poultry manure and twice the nitrogen content of cattle manure. One reason rabbit manure doesn’t burn plants is due to the biology of birds, which lack bladders and produce more ammonia in their waste. In contrast, rabbits release ammonia in their urine, which is why their manure may have a stronger odor.
Because of its balanced nitrogen-to-phosphorus ratio, rabbit manure promotes a wider variety of species in the same application area. Applying it directly to heavy clay soils will improve them quickly, especially when combined with other organic matter. It can also improve sandy soils by adding texture and helping them retain moisture. Anyone raising rabbits will have a steady supply of manure, as they are efficient producers. A small herd of 17 animals, including their litters, can produce about one ton of manure annually.
Beyond fertilizing, rabbit manure has several other uses. It is considered the best food for earthworms and can be combined with moisture-holding bedding like peat moss, shredded paper, or hay taken from used nestboxes. Many rabbitries (including my own) keep worm beds right under the cages. The resulting castings are rich in nutrients and can be used as-is or incorporated into soil amendments. A couple of feet of manure under a foot of soil in a hotbox can generate enough warmth to start and grow seeds, even in cold climates like Vermont.
In Europe and Asia, the rabbit meat industry is a billion-dollar market. While the Czech Republic leads in per capita consumption (over 8 pounds per person annually), China is the leading producer of rabbit meat. A recent study in China examined the effects of replacing peat moss in seed-starting soil with rabbit manure. The study found no significant difference in germination rates and noted that the manure provided increased nutrients for seedlings. The ideal ratios for seed-starting soil were found to be one-third manure, one-third perlite, and one-third vermiculite, or half manure and half perlite.
Rabbit manure is often overlooked as a nuisance, but as we can see, it’s an incredibly versatile soil conditioner, excellent fertilizer, ideal food for earthworms, and a superior seed-starting medium. Anyone raising rabbits should consider this another benefit, in addition to having a home meat supply, exhibition livestock, or pets.
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