Filtering by tag: leaf spot ✕

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Chemical Burn or Leaf Spot Disease Peanut Notes No. 185 2024

An image of peanuts with classical chemical burn was sent to me. Here is the conversation.Jordan:This is chemical burn. Various pesticides can cause this. A lot of Provost Silver is going out right…

A microscopic image of the spores related to leaf spot disease.

Dan Anco Comments Peanut Notes No. 93 2024

LLS on VolunteersSimilar to recent years, the end of May/beginning of June has brought visible late leaf spot lesions on a limited number of peanut volunteers. Most show no signs of infection. Those…

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Digging Date and Leaf Spot Disease 2024 Grower Meetings Peanut Notes No. 40 2024

Links for this topic are found below.Grower Meeting Recording2024 NC Grower Meetings Leaf Spot and Digging Date

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Sprays for Leaf Spot and Spider Mites Peanut Notes No. 229 2023

It is unlikely that spider mites and leaf spot disease will progress at rapid rates given cooler temperatures this week and those projected over the weekend and into next week. Mites decrease with…

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Leaf Spot Sprays After Recent Weather Events Peanut Notes No. 207 2023

There have been major changes in weather over the past week with respect to peanuts. Very dry in many places last week, followed by rain this past weekend and early in the week and then tropical…

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Leaf Spot and Sclerotinia Blight Advisories Available Peanut Notes No. 121 2023

Advisories for leaf spot and Sclerotinia blight are now available. Examples for July 1 are linked below. Our recommendation is to apply a fungicide at the R3 stage but no later than July 10. The…

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Leaf Spot on Small Peanuts Dan Anco Clemson Peanut Notes No. 105 2023

The cooler start of the season has peanuts a bit smaller than typical. Fields planted May 1 are 41 days old today, with those planted April 20 at 54 days old. Herbicides are continuing to be applied,…

Spores

Volunteer Peanuts and Leaf Spot Inoculum Dan Anco Clemson Peanut Notes No. 85 2023

The following is a post from Dan Anco at Clemson UniversityIn a field where peanut was grown last year and where there were areas with heavy defoliation from late leaf spot (>90%), a few…

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Summary of a Leaf Spot Control Trial With Varieties and Sulfur Peanut Notes No. 240 2022

The following link includes a summary of a trial with 10 varieties with 5 fungicide treatments. The primary goal was to determine how varieties were affected by leaf spot. A second objective was to…

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Summary of Leaf Spot Control Trials with Varieties and Fungicides Peanut Notes No. 239 2022

The following information includes results from 2021 and 2022 (5 trials) with 5 fungicides programs used for Bailey II, Emery and Sullivan. Data for each year is presented separately as well as data…