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Articles Tagged with ''resistance''

Do Disease-Resistant Wheat Varieties Pay A Price In Yield?

October 31, 2013 | Posted in Crop Protection

For wheat growers, it's a truism: Plant varieties that are resistant to prevalent diseases. But what if the wheat plant has to pay a price for resistance, possibly reducing its yield? Is the resistance worth it?

Palmer Amaranth Resistant To Atrazine And HPPD inhibitors Confirmed In Nebraska

October 5, 2013 | Posted in Crop Protection

University of Nebraska-Lincoln greenhouse studies have confirmed a Palmer amaranth population resistant to postemergence application of atrazine and HPPD-inhibiting herbicides (Callisto, Laudis, Armezon/Impact). This is the second report (after Kansas) of a Palmer amaranth population resistant to atrazine and the HPPD group of herbicides.

New MANA Soybean Herbicides Strengthen Resistance Management Programs

March 6, 2013 | Posted in Crop Protection

MANA today announced its launch of five new soybean weed control tools: Rumble, Tailwind, Torment, Vise and Outflank herbicides.

Corn Rootworm Resistance To Bt Seen In Iowa, Illinois

December 11, 2012 | Posted in Crop Protection

Source: University of Missouri

Wayne Bailey, University of Missouri Extension specialist in plant sciences, urges Missouri corn producers to keep an eye out for indications of corn rootworm, caused by continuous planting of Bt hybrid corn on cropland.

Tips for Managing Resistant Frogeye Leaf Spot In Soybeans

November 15, 2012 | Posted in Crop Protection

Source: By Susan Jongeneel, University of Illinois

Frogeye leaf spot, which is caused by the fungus Cercospora sojina, is an important pathogen of soybean plants.

Strengthening A Billion-Dollar Gene In Soybeans

October 24, 2012 | Posted in Crop Protection

Source: University of Illinois

Matt Hudson and Brian Diers, crop sciences researchers at the University of Illinois and Andrew Bent at the University of Wisconsin, think they may have found a way to strengthen plant resistance to soybean cyst nematodes.

Resistant Waterhemp Signals Danger For 2,4-D Effectiveness

August 15, 2012 | Posted in Crop Protection

Source: Weed Science

Even as crops resistant to 2,4-D herbicide are being developed, populations of weeds are also developing a resistance, says the journal Weed Science.

A Cover Crop Bonus: Weed Suppression

With the pipeline of new herbicides hitting the market shrinking in the next decade, wisely chosen cover crops that establish quickly and are controlled properly can keep weeds at bay.

By Martha Mintz posted on August 1, 2012 | Posted in Cover Crops, Crop Protection

No-tillers are finding that weed suppression can be an added benefit of using cover crops by tweaking a few management strategies in their fields.

Perfecting And Expanding A Mature No-Till System

Building on his father’s no-till success, Kevin Trunnell is improving herbicide programs and reducing tillage in vegetable production.

By Martha Mintz posted on April 1, 2012 | Posted in No-Till Farming 101, Crop Protection

A father-son team in Kentucky with more than four decades of no-till experience is still finding ways to put conservation tillage to good use.

Frank Comments

The Federal Government's Prediction 35 Years Ago That 54% Of All U.S. Row-Crop Ground Today Would Be No-Tilled Was Way Too Optimistic

By Frank Lessiter posted on November 11, 2011

Some 35 years ago, U.S. Department of Agriculture staffers predicted we’d see more than half of all U.S. cropland being no-tilled by now. The 1975 report also indicated that by 2010, 41% of the ground would be minimum tilled and only 5% conventionally tilled.

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Last-Minute Planter Prep for No-Tillers & Strip-Tillers

On this episode of Conservation Ag Update, brought to you by Martin-Till, precision specialist Chad Baker, co-owner of Baker Precision Planter Works in Orangeville, Ill., helps a first-generation no-tiller with planter setup, and later encounters a couple problems with a strip-tiller’s new 24-row planter. Plus, veteran agronomist Brad Forkner checks in with a couple tips for farmers to keep in mind before they take the field.

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