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Category Posts for Faske, Travis

27
May
2015
How effective are fungicides applied at early growth stages on corn in Arkansas?
Author: Travis Faske, Extension Plant Pathologist

Corn fungicides have been marketed for use on corn at early growth stages of corn (V5 – V7) for the past few years; however, based on university trials, fungicides applied at these early growth stages proved little or no benefit in regards to disease control or yield. Given that some growers may be considering such […]

19
May
2015
Soybean Seedling Disease vs. Herbicide Injury
Author: Travis Faske, Extension Plant Pathologist

Seedling diseases of soybean are a chronic problem caused by several soilborne fungi. As the name implies, these diseases occurs at early growth stages (VE to V1), but their symptoms can look similar to herbicide injury. In 2014, cool, wet growing conditions during the early stages of seedling development resulted in several fields with seedlings […]

18
May
2015
Why Peanut Seedlings Have Yellow Leaves
Author: Travis Faske, Extension Plant Pathologist

There have been a few reports of peanut seedlings emerging with yellow or light-brown leaves in a few fields across the state. There are a few reasons for this leaf discoloration; planting seed into cool (<65ºF), wet soils that slows emergence, planting depth, cold weather injury, and prolonged cloudy, rainy conditions during emergence that limits […]

12
May
2015
Recently Updated: Corn Diseases and Nematodes Chapter for the Arkansas Corn Production Handbook
Author: Travis Faske, Extension Plant Pathologist

The recently updated corn diseases and nematodes chapter for the Arkansas corn production handbook is now available online. This new publication contains 29 color photos of corn diseases and useful information on the identification and management of nearly 20 corn diseases caused by bacteria, fungi, viruses, and nematodes that occur in Arkansas. Additionally, there is […]

21
Oct
2014
Soybean rust detected in Arkansas but too late to affect 2014 crop
Author: Travis Faske, Extension Plant Pathologist

Soybean rust was confirmed earlier this week in three Arkansas counties: Ashley, Chicot and Drew (Fig. 1). Amanda Greer, program associate in extension plant pathology, identified one field in Ashley and Chicot counties with SBR. Soybeans in these fields were near R8 growth stage. Moreover, SBR was confirmed on kudzu in Drew County. Disease incidence […]

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 […]

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 […]

31
Jul
2014
Frogeye leaf spot and other diseases picking up in some soybean fields
Author: Travis Faske, Extension Plant Pathologist

Frogeye leaf spot (FLS) has been increasing in activity over the past few weeks in some fields with the highest severity located in central Arkansas. In this area, disease severity has ranged from moderate to severe on highly susceptible soybean varieties (Fig. 1). Alternately, disease severity has remained relatively low in fields planted with resistant […]

18
Jul
2014
Southern rust update and other corn diseases
Author: Travis Faske, Extension Plant Pathologist

A low level of southern rust was detected earlier this week in Craighead, Lee, Jefferson, Phillips, and Woodruff counties bringing the total county count to eight (Fig. 1). The highest disease severity was similar to that reported earlier this week with 50 to 100 pustules per plant on a few plants in a single area […]