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Category Posts for Faske, Travis

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 […]

14
Jul
2014
Corn disease alert: Southern rust confirmed in Southern and Northern Arkansas
Author: Travis Faske, Extension Plant Pathologist

Southern rust was detected last week (July 7, 2014) near McGhee, Eudora, and Rector, AR.  This was the first report of 2014 season and one week earlier than 2013, when it was found near Caraway.  In the south, hot spots had ~ 50 pustules/ leaf (Fig. 1) on a few leaves in the field.  The […]

07
Jul
2014
Leaf blight showing up in some grain sorghum fields in Arkansas
Author: Travis Faske, Extension Plant Pathologist

Leaf blight is a foliar disease of sorghum that infrequently occurs in Arkansas was observed earlier this year. A low level of leaf blight (1-2 lesions per plant on <1% of plants in a field) was detected in a few grain sorghum fields across central Arkansas. Leaf blight was observed in the lower to mid-canopy […]

03
Jul
2014
Common foliar disease of soybean and corn that are not managed with a fungicide
Author: Travis Faske, Extension Plant Pathologist

Throughout the growing season there are several foliar diseases that affect soybean and corn production in Arkansas. These include a few minor diseases that do not warrant a fungicide because they do not cause any significant yield loss. Currently, a few of these minor soybean and corn diseases are present in fields across the state. […]

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 […]