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  • Latham Hi‑Tech Seeds

    Evaluating Corn Replanting Options

    Cool temperatures and wet conditions have put stress on corn germination and emerging seedlings.  Before deciding to replant, some important steps should be taken:

    1. Evaluate the stand for population and uniformity.
    2. Compare yield potential of the existing stand with yield potential of the replant (consider insurance or government program restrictions).
    3. If the decision is made to replant, consider various management practices discussed below to optimize yield potential.

    Evaluating Existing Stands

    When evaluating corn stands, only count plants that have a good chance of survival. Observe the uniformity of the stand across the field to determine whether the entire field will need replanting or if you can replant portions of the field.

    There are a couple of options you can use when evaluating corn stands. (Please note the second option is a more accurate method).

    1. Count the number of plants in a length of row equal to 1/1000th of an acre based on row width (Table 1). Multiply the number of plants by 1,000 to get the plants per acre. Repeat the process in several field locations.
    2. Count 150 plants and measure the distance from start to finish with a measuring wheel. Divide the number of feet traveled into the appropriate factor in Table 2 to determine plant population. For example, if you walked 94 feet while counting 150 plants in 30-inch rows, the population is 2,613,600÷94=27,804. Because a longer row length is counted, the samples are more representative and fewer locations are required.

    Should I Replant?

    After taking stand counts, consider yield potential of the current stand and planting date, compared to the yield potential of the target replanting stand and date, and the costs associated with replanting.

     

    If you decide to replant …

    The first step in deciding to replant is removing the existing stand. Tillage is an option in most cases, however, depending on the growth stage of the original stand, two passes may be necessary.

    Second, determine which relative maturity (RM) to use when replanting. As planting occurs after May 1, corn requires approximately 1.6 fewer growing degree days (GDDs) per day of delayed planting to reach flowering.

    Third, decide on a management practice to protect against corn rootworm and other soil insects, including European Corn Borer (ECB).

    Finally, corn planted later in the season has a greater chance of exposure to heat and drought stress during pollination. Manage this risk by selecting a hybrid with heat and drought tolerance and early flowering.

    If you have any questions about whether or not you should consider replanting, please don’t hesitate to let us know by commenting on this post, or by contacting us at 1-877-GO-LATHAM.

    Source: Monsanto’s Agronomic Alert

    Team Latham

    May 25, 2010
    Corn, Crop, General, Season, Spring
  • Latham Hi‑Tech Seeds

    Scout early to identify and manage pests

    As we mentioned last week in our post on corn nematodes, this year’s early planting brought the opportunity and challenge of scouting crops early. Early scouting helps ensure you can identify and resolve any challenges before they become a bigger issue for your fields. A recent article in Wallaces Farmer included information about specific pests you should watch for this season.

    Early growth stage pests to keep an eye out for this year include armyworms, black cutworms, white grubs and wireworms. Also keep an eye out for early signs of bean leaf beetle in soybeans.

    The black cutworm is another pest that may try to visit your fields this year. The cutworm leaves small shot holes in corn leaves and when it grows to a half-inch long, can cut the plant. Stand loss or irregular stands may result. Significant flights of black cutworms have been reported in Missouri, with the very first capture taking place in mid-March, proving it will be a threat to some regions this year.

    Grub species, such as the Japanese Beetle are common pests to both corn and soybeans. While they’re common in Illinois and the eastern Corn Belt, the article said they can range into Nebraska, as well. While a common pest, they should still be taken seriously as people have reported adult beetles defoliating soybeans.

    Please let us know if you have any questions about how to identify or manage these pests.

    Click here to read the full article.

    Team Latham

    May 24, 2010
    Agronomics, General, Insects
  • Latham Hi‑Tech Seeds

    May is Egg Month

    May is National Egg Month, and Iowa is the number one egg-producing state in the nation. Egg  production, grading and packing facilities also contribute largely to the economy here in Franklin County, so I’m paying homage to “the perfect food” by sharing a few stats and one of my favorite recipes.

    Did you know that eggs are an excellent source of choline? According to the Iowa Egg Council’s Website, choline is an essential nutrient for brain development in a fetus and newborn. It may also play a role in memory function throughout our lives. Oh, how I could use help with expanding memory! With this new found knowledge, I’m seriously considering making an “egg a day” part of my new daily routine.

    Eating an egg a day is healthy, according to the American Heart Association. Eggs contain such a high quality protein that it has become the standard by which other proteins are measured. Eggs also contain carotenoids, lutein and zeaxanthin that have been round to decrease the risk of age-related macular degeneration.

    With so much nutrition packed into such an inexpensive food, why not add more eggs to one’s diet? Following is a recipe to help you do just that! Like all of my favorite recipes, this one is easy to make. I especially like making it for overnight guests because it can be mixed up ahead of time.

    Feel free to send me your favorite egg recipes, as well. I’m especially interested in recipes that showcase eggs for lunch or dinner. Eggs… they’re not just for breakfast anymore!

    Team Latham

    May 21, 2010
    Agriculture, General, Industry News
  • Latham Hi‑Tech Seeds

    Crop Conditions Across Latham Country

    South Central Iowa

    Travis Slusher reports that corn is 100% planted.  Soybean planting is nearly finished in the northern half of his region and about 50% done in the southern half.  South Central Iowa received 2½ to 3 inches of rain last week along with some cool temperatures.  There was isolated frost injury for corn in the northern region, but with warmer temps and more sun, it should grow out of it.  However, Headline® fungicide may need to be applied to those corn acres.  Corn that was planted April 12 is at the V2 stage, and a few of soybeans are at the VE to VC stages.

    Northwest Iowa

    Bruce Anderson reports that corn planting is done and soybeans are anywhere from 50-75% done.  Weather forecasts show no rain this week, so all soybean acres should be planted by the end of this week or early next week.  Last week’s rain and this week’s sunshine have created ideal conditions.  The sunshine should help some corn green up again.  So far, Bruce hasn’t yet seen any soybean emergence.

    North Central Iowa

    Tom Larson reports a delay in planting and emergence due to last week’s frost followed by cool, wet weather that slowed down any damage done by the frost.  Some of the earliest planted soybeans were replanted.  Corn stands were reduced, primarily in areas where temperatures dropped below 32 degrees.  With the growing point still below ground, the biggest concern now is whether new growth will be able to push through the dead tissue.  There may also be problems with new tissue that is unable to emerge and becomes bound up inside the dead tissue.  This week will tell the story as to the severity of the tissue.

    Central Iowa

    Bart Peterson reports that corn is 100% planted and at the VE to V2 stages.  Soybeans are at the VE stage.  North Central Iowa got hit by frost last week; now is good time to check whether your fields are recovering.  About three to five days after a frost event, dig plants and split their stems to make an assessment. Healthy plant stems will have cream to yellow colored tissue above the growing point. Brown discoloration in the tissue about the growing point signifies pathogen invasion and impending plant death.  Be sure to consider all factors carefully before replanting. For more information, check out www.extension.iastate.edu/cropnews.

    South Dakota

    Bill Eichacker reports that Southwest Minnesota is nearly done with planting both corn and soybeans.  Corn is at VE stage in Southwest Minnesota.  In his South Dakota area, 75% of the corn acres and 20% of soybeans have been planted.  His area received up to four inches of rain over the last two weeks, but warmer and drier weather this week should drastically change crop progress.

    East Central Iowa

    Brad Beatty reports last week’s weather was cold and wet, with his area receiving up to 3¾ inches of rain.  Corn in his region is 92-94% planted and the soybeans are 65% planted.  Corn is anywhere from VE to V2 stages; very few beans having started to emerge yet.  Now warm weather and heat units are needed to boost plant growth.  This week soybeans are being planted heavy and some farmers are spraying.  The first cutting of hay is taking place.

    Southeast Iowa

    Wayde McNeil reports that nearly 100% of all corn and soybean acres have been planted.  Corn is at the V1 stage and soybeans are not quite emerging yet.  After last week’s cool, wet conditions, things should green up and emerge this week.  While scouting fields late last week and early this week, he’s seen 30% frost damage to the corn north of Highway 30 and only 5-10% in the acres south of Highway 30.  He’s seeing some indication of wireworms (see right- hand image) in the region. The good news is that although he’s seen wireworms, he has not seen any damage.  The Poncho 250 seed treatment is doing its job!

    Wayde reports replanting may need to be done, especially because soybeans are trying to emerge through hard crusted soils.

    Replanting will be needed in areas of his corn and soybean fields where water is standing.

    Central Iowa

    Bob Collins reports it is wet. His area received 3 inches of rain in 24 hours, last Tuesday to Wednesday. Most of the beans are in and all the corn is planted.  Emergence has been good.

    Kevin Meyer’s area is also wet. He reports 90% of beans are in and all the corn has been planted. None of the beans have emerged, but the corn emergence looks good. Last week’s frost killed very little corn. Some corn is turning yellow.

    Northeastern Iowa

    Nick Benson reports that last week’s cold weather prohibited crop growth.  His area didn’t receive as much rain as the rest of the state, but they did receive 2.5 inches Wednesday night. Eighty-five percent of the corn is planted and some got nipped by the frost. About 30-40% of the beans are in the ground. Nick did not have any crusting issues. He’ll give an update on emergence this week since the weather is warmer.

    Northern Missouri

    Rick Foster reports that his area is extremely wet.  Everything came to a stop in his area, as well. About 93% of the corn is planted.  The wet, cold weather created problems will results in some replanting. A few beans have been planted.  Those that have emerged are looking good.

    Minnesota

    Jason Obermeyer reports everything came to a halt for a week due to rain. Beans are over 80% planted. Emerged beans have severe damage due to the wide spread frost. All the corn is in and the stands looked good, although some of it suffered frost damage.

    Wisconsin

    Steve Bailie reports the southern part of the state got 3-4 inches of rain last week. The frost killed very few fields. About 85% of the corn is planted with great emergence, but the there is a lot of yellow corn. Nearly 60% of beans are planted in the state. Some farmers who have had their beans in the ground for 2 weeks are worried about seed rot. Alfalfa looks beautiful in his area. They had great soil conditions for planting and now they just need Mother Nature to play its role.

    Central Nebraska

    Steve Edwards reports that 100% of the corn has been planted in his area.  Eighty percent of the beans have been planted in the eastern part of his area and about 40% are in on the western part of his area.  Southeast Nebraska farmers have 100% of their soybeans in the ground. They haven’t had any problems with frost, but they did have some crusting issues.

    Team Latham

    May 20, 2010
    General, Season, Spring
  • Latham Hi‑Tech Seeds

    Temperature Fluctuations May Inhibit Corn Emergence

    5 Larry 1

    5 Larry 1Corn planting occurred at an all-time record this spring. In Iowa in particular, we’ve experienced one of the best planting seasons in history. Recent cool temperatures throughout the Corn Belt, however, are requiring extra close attention be paid to corn fields as those cool temperatures may have caused seedling growth problems.

    We recommend farmers pay particularly close attention to corn fields planted recently, as they would be the most likely to exhibit seedling rot or poorer emergence. For those in low-lying areas, frost may have been an issue, causing leaf necrsosis and delayed growth of sprouted seeds.

    Listed below are seedling growth problems to scout for:

    1. Imbibitional chilling damage — the chilling effect seeds may experience when they imbibe, or absorb, water when soil temperatures are less than 55° F for an extended time. Seedlings may “corkscrew” or not emerge when exposed to cool soil temperatures. This may happen also when temperatures swing rapidly by 30° F.
    2. Soil crusting — wet soil at planting or heavy rain following planting can lead to reduced plant stands. Significant stand reductions lower yield potential.
    3. “Leafing out” underground — occurring most often in crusted soils (also appears with imbibitional chilling, above).
    4. Variable plant emergence and reduced plant population. Variable emergence and growth will reduce yield.

    Any of the situations listed above could call for a need to replant, but be sure to assess stands before making this decision.

    Contact your Latham representative with any questions or click here to read more.

    Team Latham

    May 18, 2010
    Agronomics, Disease, Emergence, General, Season, Spring
  • Latham Hi‑Tech Seeds

    Go Wild … Go Hunting for Asparagus and Mushrooms

    As a kid, I couldn’t wait for the warm spring weather to produce wild asparagus and mushrooms.  I loved trekking through the woods, in search of morels, with my dad.  I also loved traipsing through the road ditches in search of tender, young asparagus.  Most of all, I looked forward to eating my fill of both!

    My favorite way to eat morels is dipping them in eggs, rolling them in crushed saltine crackers and frying them in real butter.  If you’re lucky enough to find some yet this spring, a slew of recipe ideas is available at http://thegreatmorel.com/recipes.html.

    While this year’s mushroom season is coming to an end, there is still asparagus to be harvested. One of my favorite uses for asparagus is in a casserole with ham and noodles.  This easy-to-make recipe is perfect for a formal Sunday brunch or a casual weeknight supper.  Give it a try and let me know what you think.  Also feel free to share your favorite asparagus recipes with me.  I’d love to try some new ways to fix asparagus – maybe I’ll even find one my kids will eat!

    Asparagus and Ham Casserole

    Ingredients

    1 slice white bread (or ½ c. bread crumbs)

    3 3/4 c. uncooked extra broad egg noodles

    2 ½ c. sliced asparagus (1 ½”)

    ¼ c. all purpose flour

    ½ tsp. dried thyme

    ¼ tsp. salt

    1/8 tsp. black pepper

    1 c. whole milk

    1 c. chicken broth (fat free, less sodium)

    1 T. butter

    ¾ c. onion, finely chopped

    1 T. fresh lemon juice

    1 ½ c. cubed ham (1/2” square – about 8 oz)

    ¼ c. chopped fresh flat-leaf parsley

    2 T. grated fresh Parmesan cheese

    Instructions

    Preheat oven to 450 degrees.

    Place bread into food processor, pulse 10 times or until coarse crumbs form to measure ½ cup.

    Cook pasta in boiling water 7 minutes, omitting salt and fat in water. Add asparagus, cook 1 minute. Drain.

    Lightly spoon flour into a dry measuring cup and level with a knife. Place flour, thyme, salt and pepper into medium bowl. Gradually add milk and broth, stirring with a whisk until well blended.

    Melt butter in a medium saucepan over medium-high heat. Add the onion, sauté 4 minutes. Add milk mixture, cook until thick (about 4 minutes), stirring constantly. Remove from heat and stir in lemon juice. Combine pasta mixture, milk mixture, ham and parsley in a large bowl, spoon into a 2-quart casserole dish. Sprinkle with bread crumbs and cheese.

    Bake at 450 degrees for 10 minutes or until filling is bubbly and topping is golden.

    Team Latham

    May 14, 2010
    General, Season, Spring
  • Latham Hi‑Tech Seeds

    Soybeans at Risk for BPMV

    Soybean farmers in 16 Iowa counties may have fields at risk this summer from a soybean virus called bean pod mottle virus (BPMV), according to a model developed at Iowa State University (ISU).

    Counties identified by the ISU Pre-Plant BPMV Prediction Model to be at moderate risk are: Cedar, Clinton, Des Moines, Henry, Jefferson, Johnson, Keokuk, Lee, Linn, Louisa, Marion, Muscatine, Osceola, Scott, Wapello and Wayne. All counties but Osceola are located toward the southeast part of the state.

    “Soybean growers in those counties are cautioned to use recommended best management practices for bean leaf beetle control to minimize the impact of the disease,” says ISU Plant Pathologist Forrest Nutter.

    In counties identified as being at risk, soybean growers should conscientiously scout to detect areas where bean leaf beetle populations may be high enough to warrant mid-season foliar insecticide control measures, noting that early planted soybean fields have higher risk of BPMV incidence.

    Those growers in low-risk counties should still scout their fields routinely for bean leaf beetles, as there may have been pockets where the depth and duration of snow cover was sufficient to provide insulation for bean leaf beetles to survive.

    Click here for the full release from the Iowa Soybean Association.

    Team Latham

    May 11, 2010
    Agronomics, Disease, General, Season, Spring
  • Latham Hi‑Tech Seeds

    Be Watchful of Corn Nematodes: Early corn planting leads to earlier scouting

    We’ve just experienced one of the most amazing months for crop planting in recent memory. The National Ag Statistics Service released a report April 25 stating corn planting in the upper Midwest is significantly ahead of both the 2009 planting and the five-year average.

    One benefit of early planting is that farmers should have more time this spring to check their fields for various pests. For this article, I’d like to focus on Corn Nematodes in particular, as these microscopic roundworms have been flying under the radar of farmers and crop scouts for years.

    Like Soybean Cyst Nematodes (SCN) in soybean fields, Corn Nematodes are capable of reducing corn yields without showing any particular above-ground symptoms.  If you suspect that you are losing bushels from this pest, consider taking some soil samples to determine which nematode species is present in your field and at what level they are present.

    The best time to sample for corn nematodes is 4 to 6 weeks after planting.  Most university labs and even several private labs can run a corn nematode analysis on soil samples.  To borrow a line from the SCN awareness group, “Take the Test & Beat the Pest!”

    Team Latham

    May 10, 2010
    Agronomics, General, Insects
  • Latham Hi‑Tech Seeds

    Chocolate Covered Cookie Dough Truffles… Need we say more?

    While I know it’s not Soy Foods Month any more, we couldn’t pass this recipe up. It was just too delicious.

    You’ll want to have a quiet hour to yourself to make these, so wait until everyone else is in bed or has left your house for the day. Not only does the peace and quiet help you focus on following the recipe, but “alone time” ensures there will be plenty for you to taste-test.  Otherwise, these delicious treats will be all gone and you will have only eaten one. (Well, plus the one or two you might eat in the process of making them!)

    If you don’t have the luxury of peace and quiet when you’re making these, that’s okay. Here’s a link to coloring sheets you can download provided by the Iowa Soybean Association. http://www.iasoybeans.com/soyedmaterials/soyedmaterials.html

    You can find the below cookie dough and other delicious recipes on www.tastykitchen.com.

    Team Latham

    May 7, 2010
    Desserts, General, Recipes
  • Latham Hi‑Tech Seeds

    Determining Stands

    Evaluating corn and soybean stands early is key to identifying problems – or potential problems – while there is still time to remedy them.  Three methods are commonly used to determine stand counts:

    1. 1/1,000th Acre;
    2. Wheel; and
    3. Hoop.

    (Click on any of the below charts to view the text in a larger font size).

    The 1/1,000th Method involves counting the number of plants in a length of row equal to 1/1,000th of an acre based on row width (See Table 1).  Multiply the number of plants by 1,000 to calculate the number of plants per acre.  Repeat the process in several locations in the field.

    The Wheel Method entails counting 150 plants and measuring the distance from start to finish with a measuring wheel.  To determine plant population, divide the number of feet traveled into the appropriate factor  (See Table 2).

    For the Hoop Method, toss a hoop in a field and count the number of plants inside it.  Repeat this in at least five locations throughout the field.  Multiply the average number of plants by the appropriate factor listed in Table 3 to calculate the number of plants per acre.  NOTE:  Having a hoop with a diameter of 28 ¼” allows you to simply multiply by 10,000 to determine the number of plants per acre.  You can make a hoop this size by cutting anhydrous tubing to 88 ¾ inches and joining it to form a circle.

    Source: Monsanto’s Agronomic Spotlight, 4/26/10, Illinois Agronomy Handbook. 23rd Edition. Pg. 31. Purdue Corn & Soybean Field Guide. 2007.

    Team Latham

    May 5, 2010
    Agronomics, Emergence, General
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(641) 692-3258

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