Items Tagged with 'leaf'

ARTICLES

Priaxor D Fungicide Receives EPA Registration

February 3, 2015 | Posted in Crop Protection

Source: BASF

BASF's new strobilurin-resistant frogeye leaf spot fungicide for soybeans contains three modes of action and is expected to receive state registrations in time for the 2015 season.

Use Thermal Time To Predict Leaf Stage Development in Corn

April 28, 2014 | Posted in Crop Protection, Nutrient Management

Source: Purdue University

Being able to predict when a field of corn will reach particular leaf stages can be useful for scheduling post-emergence applications of certain herbicides and sidedress N fertilizer.

4 Reasons To Avoid Tankmixing Insecticide With Nitrogen On Wheat For 2014

February 25, 2014 | Posted in Crop Protection

Source: By Dominic Reisig, North Carolina State University Extension

Recent research from North Carolina has suggested that there are times where tankmixing an insecticide with your nitrogen can be cheaper than using scouting and thresholds for cereal leaf beetle. The biggest reason for this is because there is a yield penalty for driving over wheat after jointing and because scouting costs money. However, there are a number of reasons why I do not recommend this for 2014.

Spider Mites Causing Problems In Some Fields

July 27, 2012 | Posted in Crop Protection

Source: North Dakota State University

Spider mites continue to be a pest problem in dry beans, soybeans and field corn in droughty areas.

Those Wrapped and Twisted Whorls in Corn

June 16, 2011 | Posted in Crop Protection

Source: Bob Nielsen, Purdue University

The curious phenomenon often referred to as the twisted whorl syndrome is showing up in some fields again this summer.

Timing of Fungicide Applications in Early-Stage Corn

June 3, 2011 | Posted in Crop Protection

Source: Carl A. Bradley, University of Illinois

A study found a greater yield response was observed when fungicides were applied at R1 compared to V6, with the largest response being when V6 applications were followed by R1 applications.

Visual Symptoms Tell Story of Nutrient Deficiencies

October 19, 2010 | Posted in Nutrient Management

Source: The Mosaic Company

Throughout the growing season, crops may exhibit unusual coloring, stunted growth and leaf damage or defoliation.

2010 Wheat Shows Disease Control Key

August 2, 2010 | Posted in Crop Protection

If the 2010 growing season was any indication, disease management needs to be one of the top things on growers’ lists if they are going to have a great wheat crop, says an Ohio State University Extension plant pathologist.

Get Used To Threat Of Asian Soybean Rust

July 1, 2006 | Posted in Crop Protection

Asian soybean rust finally appeared in the U.S. last season but had little impact after years of warnings about its potential catastrophic effects on soybean yields. That doesn’t mean the researchers were wrong and no-tillers can ignore the threat.

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