Dr. Alyssa Collins

@PACropDoc

Director of the PennState Southeast Research & Extension Center and Assoc. Prof. in field crops pathology. She/her @pacropdoc on the sky that is blu. Need code?

1.3K Following1.1K Followers1.6K Posts
  1. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: Disease reduced corn yield by nearly 1.3 billion bushels worth more than $5.2 billion USD in 2025. Southern rust caused the greatest losses, followed by tar spot and northern corn leaf blight. Read the whole article at From @alabamaED @travisfaske @bobkemerait @BorisCamiletti @DTelenko @alisonrISU @dsmuelle @OnofreLab @cropdoc08 @PatePlantSci @ppp_trey @MartinChilvers1 @baldpathologist @MandyBish1 @tjcksn @DaisyHAhumada @NDSUcerealpath @MahDuffeck @AlbertTenuta @PACropDoc @MPlumblee @maddishires @YuanZeng3 @badgercropdoc +others. #corn #agriculture #farming @NationalCorn
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  2. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: Fusarium stalk rot causes shredded pith that may be tan to light pink. Brown streaks may be observed on the lower internodes. The fungi overwinter in corn residue, other dead plant residue, and in corn seed. Resistance to Fusarium stalk rot is available. Rotation and tillage will reduce inoculum. @DTelenko @badgercropdoc @MandyBish1 @MartinChilvers1 @maddishires @alisonrISU @tjcksn @baldpathologist @alabamaED @travisfaske @ppp_trey @MahDuffeck @cropdoc08 @NationalCorn #corn #harvest25
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  3. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: Pre-ordering fungicides for 2026? Choose the best products for diseases most likely to be an issue in your fields with research-based ratings: Corn Foliar Diseases: Soybean Foliar Diseases: Soybean Seedling Diseases: Wheat Diseases: Alfalfa Diseases: @baldpathologist @alabamaED @alisonrISU @DTelenko @badgercropdoc @MartinChilvers1 @YuanZeng3 @travisfaske @ppp_trey @DylanMangel @BisonBeanDoc @tjcksn @maddishires @dsmuelle @BorisCamiletti @MahDuffeck @PACropDoc #plant26 @cropdoc08
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  4. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: Will a fungicide be worth it? Corn Fungicide Return on Investment Calculator at Save this site to help with decision-making later this season. Based on data from @baldpathologist @MandyBish1 @kmbiss @SDSUExtension @MartinChilvers1 @PACropDoc @travisfaske @NDSUcerealpath @tjcksn @TNplantDR @dsmuelle @ppp_trey @alisonrISU @alabamaED @badgercropdoc @DTelenko @AlbertTenuta @cropdoc08 @datascience_uw +more. #agx #agtwitter #corn #plant25 #grow25 #ROI #farming
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  5. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @MahDuffeck: Very interesting results were obtained from using biostimulants in soybean production in the U.S. "Among 100 growing environments in 22 states, there was no product that consistently improved soybean yield compared to the non-treated control"
    Science for Success @SoybeanScience1
    "Among the tested biostimulant seed treatments, none of the products consistently improved soybean yield compared to the non-treated control."
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  6. Science for Success✓@SoybeanScience1
    "Among the tested biostimulant seed treatments, none of the products consistently improved soybean yield compared to the non-treated control."
    Download
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  7. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: Fungicide Efficacy Guides. Use the best product when disease risk is high and economic gain likely. Soy Seedling: Corn Foliar: Soy Foliar: @DTelenko @alabamaED @BorisCamiletti @cropdoc08 @badgercropdoc @MahDuffeck @alisonrISU @maddishires @DylanMangel @W_Webster74 @tjcksn @MartinChilvers1 @dsmuelle @DaisyHAhumada @NDAgExpStation @travisfaske @ppp_trey @SoybeanScience1 @ISU_IPM @PACropDoc @YuanZeng3 @cropdisease @AlbertTenuta
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  8. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: In 2024, disease reduced corn yield by an estimated 6% in the U. S. and 3.7% in Ontario, resulting in an estimated loss of 963.4 million bushels. Get info on the most important corn diseases at the NEW pub From Extension. @alabamaED @travisfaske @csuextension @UDExtension @UGAExtension @BorisCamiletti @DTelenko @alisonrISU @dsmuelle @ISU_IPM @OnofreLab @KSUPlantDr @cropdoc08 @PatePlantSci @ppp_trey @LSUAgCenter @MartinChilvers1 @UMNExt @baldpathologist @MandyBish1 @tjcksn @ccecornell @DaisyHAhumada @NDSUExtension @CFAES_OSU @MahDuffeck @AlbertTenuta @PACropDoc @MPlumblee @maddishires @epp_tn @txextension @YuanZeng3 @badgercropdoc #corn #agx #agtwitter #extension
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  9. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: 2025 Fungicide Efficacy for Corn Foliar Disease at Based on research across corn-producing states. From Extension. @cropdoc08 @DaisyHAhumada @baldpathologist @txextension @ccecornell @MandyBish1 @BorisCamiletti @MartinChilvers1 @PACropDoc @UFPlantPath @MahDuffeck @travisfaske @NDSUExtension @tjcksn @TNplantDR @bobkemerait @PatePlantSci @VACoopExt @UMNExt @dsmuelle @CUESNews @rodrigobonofre @CFAES_OSU @ppp_trey @alisonrISU @alabamaED @maddishires @badgercropdoc @DTelenko @AlbertTenuta @YuanZeng3 @NationalCorn #agx #farming #agtwitter #corn #plant2025
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  10. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: 2025 Soybean SEEDLING Disease Fungicide Efficacy Ratings from Extension at @baldpathologist @badgercropdoc @DTelenko @alisonrISU @AlbertTenuta @DylanMangel @maddishires @MandyBish1 @travisfaske @W_Webster74 @ppp_trey @alabamaED @PACropDoc @MartinChilvers1 @TNplantDR @bobkemerait @dsmuelle @rodrigobonofre @OnofreLab @cropdoc08 @NCLegumeLady @MahDuffeck @IanMSmall1 @cropdisease @BorisCamiletti @ccecornell @UDExtension @UMNExt @txextension @CFAES_OSU @CUESNews @LSUAgCenter +others #USSoy
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  11. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @CropNetwork: Try out the new Fungicide Efficacy Tool at Data for corn, soybean, wheat, and alfalfa from Extension. @cropdoc08 @MartinChilvers1 @DTelenko @MandyBish1 @alabamaED @badgercropdoc @dsmuelle @alisonrISU @NDSUcerealpath @TNplantDR @PACropDoc @bobkemerait @baldpathologist @ppp_trey @AlbertTenuta @rodrigobonofre @KSUCropdiseases @KSUWheatDisease @UMNExt @ccecornell @travisfaske @W_Webster74 @DylanMangel @BorisCamiletti @cropdisease @NCLegumeLady @MahDuffeck @IanMSmall1 @USWBSI @UnitedSoy @NationalCorn @NAFANews
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  12. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @caiobrunharo: I am recruiting for a postdoctoral scholar and 3 PhD positions in my lab @PSUPlantScience for projects related to herbicide resistance, integrated weed management, and precision weed management. Details below. Don't hesitate to reach out to discuss further. Please share!!!
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  13. Dr. Alyssa Collins@PACropDoc
    Dr. Alyssa Collins
    RT @maddishires: SDState extension has an opening for a horticulture plant pathology field specialist! This is a brand new position with lots of opportunities and a group of people who are very excited to work with you! Check it out and think about applying!
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