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Articles by Midwest Weeds
North Carolina Cotton: Planting Temps Good, Soil Moisture Concerns
Cotton Planting. ©Debra L Ferguson Stock Photography It appears that we are past having to worry about temperatures for planting so we will not post anymore temperature based planting conditions predictions unless there are some dramatic changes. We are now concerned about the rapidly decreasing soil moisture over most of our cotton producing areas. The forecast for Rocky Mount is for 0-20% chance of precipitation until it finally rises to 40% on May 30.
North Carolina Cotton: Increasing Thrips Damage. Is It Resistance?
Thrips damaged cotton. Photo: University of Tennessee Reports of thrips damage on cotton with an insecticidal seed treatment and/or in-furrow neonicotinoid (Admire Pro) have increased over the past week. Concern about thrips resistance to neonicotinoid insecticides (the active ingredient in Admire Pro and insecticidal seed treatments) has generated lots of questions about managing damage on susceptible cotton.
Corn: Germination - Identifying Emergence Issues
Germination is the renewal of enzymatic activity that results in cell division and elongation and, ultimately, embryo emergence through the seed coat. Germination is triggered by absorption of water through the seed coat. Corn kernels must absorb (imbibe) about 30 % of their weight in water before germination begins. Less than optimum absorption of water (perhaps due to a rapidly drying seed zone) may slow or stop germination. Repeated wetting and drying cycles can decrease seed viability.
Texas LRGV IPM: More Fleahoppers in Cotton; Sugarcane Aphids Take Off in Sorghum
General Situation Hot and muggy this week as the LRGV received some rain on Monday and Tuesday and a little on Wednesday. Harlingen, Raymondville and Weslaco areas received anywhere from 0.5 inches to 0.7 inches but in other areas like Alamo, Pharr, and Donna they received up to 3 inches of rain. There were even some reports of sesame, tomatoes, cotton and melons in the Alamo area that received some hail damage but in isolated areas.
Indiana: Should Insecticide Be Included With Burn-Down This Spring?
Highboy spraying pre-emerge or burndown herbicide. ©Debra L Ferguson Stock Photography Moth flights for both black cutworm and armyworm have been impressive this spring. Unworked/untreated fields are plentiful, and so is the plant life, meaning that there has been no shortage of egg-laying opportunities for these pests.
Weekly Cotton Market Review - USDA
Average quotations were 622 points lower than the previous week, according to the USDA, Agricultural Marketing Service’s Cotton and Tobacco Program. Quotations for the base quality of cotton (color 41, leaf 4, staple 34, mike 35-36 and 43-49, strength 27.0-28.9, and uniformity 81.0-81.9) in the seven designated markets averaged 61.23 cents per pound for the week ending Thursday, May 16, 2019. This is the lowest weekly average since week ending May 26, 2016 when the average was 60.90.
Texas Blacklands: Wheat Heading Towards Finish; Saturated Soils Affecting Cotton, Corn
GENERAL: Wheat is turning the last corner and headed for the finish line, with some wheat fields starting to turn last week. Most of the hard-red winter wheat fields in the scouting program are in the medium dough stage. An increase in daily temperatures and decrease in rain fall can quickly speed this maturation process up but look like it could be delayed due to a cold front moving through later this week.
Drought Monitor Weekly: Widespread Rains Across the South
Photo: L. Brian Stauffer, University of Illinois Summary Widespread precipitation this week led mostly to improvements in moderate drought and abnormally dry regions across the Southeast and South, and in the Rocky Mountains in southern Colorado and northern New Mexico. In parts of central and western Washington where high evaporative demand and paltry precipitation amounts continued, conditions degraded to moderate drought.
Minnesota Corn: Key Factors for Evaluating Stand Establishment
Corn stand establishment. Photo: University of Minnesota Early evaluation of corn stands is important for identifying yield-limiting factors and making management decisions to mitigate them. Evaluation of corn stands should begin soon after rows are visible, typically 5 to 7 days after the first plants emerge. Corn emergence occurs when 100 to 120 growing degree days have accumulated since planting.
Ag Trade: U.S.-China Dispute Escalates; Some Aid Details Emerge
The U.S., China trade dispute escalated this week, weighing on some agricultural markets. Meanwhile, news reports indicate that the executive branch is working on additional trade aid for farmers negatively impacted by the ongoing dispute. Today’s update highlights these issues in more detail.
Corn: Early Season Damage - The Growing Point Is What Matters
Hail damaged corn. Photo: Wes Nelson, USDA-FSA There is something about 30 mph winds and sand/grit/soil blasting across corn fields at seedling height that makes one curious about the ability of corn to recover from early season damage. The same can be said following a thunderstorm accompanied by strong winds and damaging hail. Whenever corn is damaged early in the growing season, growers are sometimes faced with the decision of whether or not to replant the field.
Illinois: How Will Late Planting Affect Crop Diseases?
Most Illinois producers are behind in getting corn and soybeans into the ground this year as a result of persistent rains and cool temperatures. Some people are wondering what this might mean for some of the diseases we encounter in our field crops. Keep in mind, disease occurs when you have the correct host, plant pathogen, and environment together. The longer those three factors are together, the more disease will occur.
Virginia Cotton: Orthene Time, Priorities with Approaching Dry Period
Poor Engenia control of large pigweed. Photo: University of Tennessee Looks like we went into the refrigerator on Tuesday night and by Friday, its going to be full throttle Summertime. There are several defining events for each cotton season that we can look back on as unique, and this year, one of those events is going to be this warm planting season and the high total heat accumulation through.
Fuel Report: Diesel, Gas Lower; Propane Stocks 20% Higher Than Average
Photo: John Nuckolls, FarmPropane.com The U.S. average diesel fuel price fell 1 cent to $3.16 per gallon on May 13, nearly 8 cents lower than the same time last year. The Gulf Coast price fell more than 2 cents to $2.91 per gallon, the Midwest price fell nearly 2 cents to $3.05 per gallon, the East Coast price fell over 1 cent to $3.18 per gallon, and the Rocky Mountain price fell nearly 1 cent to $3.18 per gallon. The West Coast price increased nearly 3 cents to $3.79 per gallon.
Mississippi: How Current Rainfall May Influence Crop Inputs - Podcast
Mississippi: How Current Rainfall May Influence Crop Inputs – Podcast May 15, 2019May 15, 2019 By Jason Bond and Bobby Golden, Mississippi State University Extension Specialists Rain gauge near field. ©Debra L Ferguson Stock Photography
Iowa: Black Cutworm Moth Counts Jump “Significantly” In Multiple Counties
Black cutworm larva. Photo: Michigan State University This week we begin Week 7 of moth trapping in Iowa. Significant captures of black cutworm (BCW) have occurred in several counties during weeks 3-6 of trapping (bold and * in Table 1). Significant captures occur when 8 or more BCW moths are caught in a wing-style pheromone trap over 2 nights. Another type of trap used to monitor BCW activity is a bucket trap.
Iowa Weeds: For Whatever Reason, Calls Pick Up About Purslane Speedwell
Purslane speedwell may have leaves with both entire (smooth) and serrate (toothed) leaf margins. Photo: Iowa State University As everything greens up, we often receive photos of mystery plants for identification. Typically, I get a wide range of species via email or text message. This spring, more than any I can recall in recent history, I’ve received many photos of the same species: purslane speedwell (Veronica peregrina).
Premier Crop Systems - “Start Managing at a Finer Scale”
Now is always the right time to start managing your farm decisions at a finer scale. If someone were to ask you if you know your cost of production, you likely have an idea.
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