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Category Posts for Peanuts

06
Oct
2014
Fall Residuals and Glyphosate-resistant Ryegrass
Author: Tom Barber, Extension Weed Scientist

Fall Herbicide Applications: Over the last several years fall herbicide applications have been increasing in use and popularity. Growers seem to like the idea of spraying a residual herbicide in the fall that will prevent any winter annual weed emergence, hopefully prior to planting. Two problems exist with this system. One, by preventing any winter […]

01
Oct
2014
Arkansas peanut harvest update and a new leaf spot disease
Author: Travis Faske, Extension Plant Pathologist

Peanut harvest is in full swing this week, which is about two weeks earlier than 2013. Somewhere between 40 to 50% of the crop has been dug and 15 to 20% thrashed. Grades have ranged from 74 to 79 and yield between 4,200 and 5,000 lb/ac. These grades and yield are similar to 2013, which […]

15
Sep
2014
Peanut Disease Update: Sclerotinia blight caused by Sclerotinia sclerotiorum confirmed in Arkansas
Author: Travis Faske, Extension Plant Pathologist

Sclerotinia blight caused by Sclerotinia sclerotiorum was confirmed earlier this month in a commercial peanut field near Pocahontas. Sclerotinia blight symptoms were recognized by Gordon Drennan with the Clint William Co. and confirmed by extension plant pathologist on a runner peanut cv. Florun107. Symptomatic plants were observed in several large (2’ x 5’) foci with […]

12
Sep
2014
Using the correct form to submit soil samples
Author: Leo Espinoza, Associate Professor & Extension Soil Scientist

As we get ready to start taking soil samples to be analyzed for fertilizer recommendations, it is very important to make sure the proper form to submit the soil samples is used. Before completing form CES 435, please make sure not to use forms that were printed before January 2014. On August 5, 2014 the Marianna […]

15
Aug
2014
Peanut disease update: Scout fields for southern blight and sclerotinia blight
Author: Travis Faske, Extension Plant Pathologist

Southern blight is now beginning to show up in some peanut fields, which is later than normal as southern blight activity typically begins in early July. Unseasonably cooler summer weather contributed to this delay with slower vine growth and less-than-favorable weather conditions for southern blight. Alternately, Sclerotinia blight was observed last week, which is two […]

26
Jun
2014
Peanut producers: Spotting leaf spot diseases and fungicide timing for southern blight
Author: Travis Faske, Extension Plant Pathologist

Though it is very common to find spots on peanut leaves in Arkansas, the disease called early leaf spot (ELS) of peanut (and late leaf spot of peanut) has yet to be confirmed in the state. Herbicide injury is most commonly mistaken for ELS (Figure 1). Early leaf spot is caused by the fungus Cercosproa […]

12
Jun
2014
Peanut acreage report and a reminder for growers: Check for nodulation
Author: Travis Faske, Extension Plant Pathologist

Early season estimates indicate ~10,000 acres of runner peanut were planted in 2014 in Arkansas.  Estimates were based on grower acreage commitment to one of three peanut companies: Birdsong Peanut, Clint Williams, and Golden Peanut.  Total acreage was slightly less than projected and ~2,000 less than 2013.  The decline was related to lower peanut prices […]

30
May
2014
Don’t let sulfur deficiency take a bite of your yields
Author: Leo Espinoza, Associate Professor & Extension Soil Scientist

Plants need sulfur as it is part of some amino acids essential for optimum crop growth.  Sulfur fertilization has traditionally been recommended only for soils of coarse texture (sandy soils) particularly after significant rainfall, or if there is a history of sulfur deficiencies.  For years, air deposition (acid rain) was the main source of sulfur […]

01
Apr
2014
Are you maximizing control with your herbicide application?
Author: Tom Barber, Extension Weed Scientist

This is an interesting time in Arkansas agriculture as new technologies are on the horizon in many crops and resistant weeds are becoming more prevalent in all crops and across multiple modes of action.  We have screened multiple samples of barnyardgrass that contain 3-way resistance to Propanil, Facet, and Newpath (ALS) chemistry.  Also annual and […]

26
Feb
2014
2014 Mid-South Ag Forum at the Mid-South Farm & Gin Show
Author: Tom Barber, Extension Weed Scientist

The 62nd annual Mid-South Farm & Gin Show will be held February 28 – March 1, 2014 at the Cook Convention Center in Memphis, TN. More than 400 exhibitors from more than 40 states will be on-hand showcasing the latest technology and innovation in agriculture. A new event at the Gin Show for 2014 will […]