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A Leader of a Different Stripe

Posted By MNLA eNews, Friday, August 31, 2018
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Court-Ordered Chlorpyrifos Ban

Posted By Jill Calabro, PhD, Friday, August 31, 2018

From Jill Calabro, PhD, AmericanHort

The U.S. 9th Circuit Court of Appeals has ordered the EPA to remove chlorpyrifos from sale in the U.S. within sixty days. This ruling applies to all cropping systems and all products containing chlorpyrifos. Three judges reviewed the suit, known as League of United Latin American Citizens v. Wheeler, and the decision was split 2-1.

Chlorpyrifos, the most commonly used organophosphate (OP) in the U.S., was banned from most home use in 2000 (except for ant and roach bait) and has faced increased regulation in certain states (California and Hawaii). Regardless, it is still commonly used in agriculture for its broad-spectrum efficacy and short persistence. Many consider it to be an ideal rotation partner to help preserve products with other modes of action, since very few instances of insect resistance have been reported. Environmental horticulture relies on chlorpyrifos as a rotational partner to pyrethroids and neonicotinoids and as an essential product in both the Japanese beetle harmonization plan and to meet imported fire ant quarantine requirements.

At issue is the impact of chlorpyrifos on child development and health. Some research, conducted at Columbia University, suggests that chlorpyrifos negatively impacts children and fetuses. However, the research has come into question due to its relatively small sample size (300 children or less), correlational approach (as opposed to causal), and the emergence of research from other labs showing no such association.

In November 2015, EPA under the Obama administration proposed to ban chlorpyrifos, citing the inability to draw conclusions. The following year, in November 2016, EPA reassessed the proposed ban using a different methodology and still recommended the ban. Administrator Scott Pruitt, under the Trump administration, reversed that decision in March 2017 and sought to better reach a scientific resolution by 2022. That argument was rejected by the 9th Circuit Court.

EPA has the choice to appeal the case to the U.S. Supreme Court or request review by the full panel of 9th Circuit judges, perhaps requesting a delay in enforcement of the ban. Or EPA could abide by the ruling and begin the process of removing chlorpyrifos from the market.

EPA spokesman Michael Abboud commented that the agency was reviewing the decision, but that “The Columbia center’s data underlying the court’s assumptions remain inaccessible and has hindered the agency’s ongoing process to fully evaluate the pesticide using the best available, transparent science.”

Many questions remain. For now, products containing chlorpyrifos are still available for sale and use; that ends in early October. The timeline for when growers and users must cease applications (of products they own) remains unclear. And, further legal maneuvers may delay or ultimately reverse the ban.

Tags:  AmericanHort  commercial flower growers  EPA  nursery grower  organophosphate 

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UF researchers need grower input on neonics

Posted By MNLA eNews, Friday, August 31, 2018

University of Florida researchers launched a nationwide study to assess the effects of neonicotinoid bans and restrictions on the economic feasibility of pest management. The study is geared to growers throughout the U.S. with professional experience in neonic crop protection tools. Association grower members are encouraged to complete the survey using the following link. The first 200 respondents will receive $25 electronic gift cards.

Direct link to survey: https://uffred.qualtrics.com/jfe/form/SV_d1pM94wnZmvygTz

Tags:  commercial flower growers  neonicotinoids  nursery grower  pests  research 

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Why Gold Foliage Has Become the Darling of Plant Lovers

Posted By MNLA eNews, Friday, August 3, 2018
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Grab n’ Go Just Got Easier

Posted By MNLA eNews, Friday, August 3, 2018
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What’s New in Greenhouse Crop Protection

Posted By MNLA eNews, Friday, August 3, 2018
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The Greenhouse Where Tomatoes Grow in Iceland

Posted By MNLA eNews, Thursday, June 14, 2018
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Vertical Garden Towers Can Grow Plants Three Times Faster Than Normal

Posted By MNLA eNews, Thursday, June 14, 2018
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University of Minnesota turfgrass researchers need your input

Posted By MNLA eNews, Thursday, June 14, 2018

Dear Minnesota Nursery and Landscape Association members:

I am writing to request your participation in a Turfgrass Cultivar Evaluation Database survey of those involved in the turfgrass industry. The survey will take 15-20 minutes to complete.

Purpose of the survey. Currently, the agency coordinating multi-state turfgrass cultivars evaluation is the National Turfgrass Evaluation Program (NTEP). Researchers representing several universities are designing a database for turfgrass cultivar results so we are interested in learning the following:

  • How you use turfgrass cultivar evaluation data currently
  • How you might want to use turfgrass cultivar evaluation data in the future

Please note:

  • This survey is not sponsored by NTEP.
  • Your participation in this survey is completely voluntary.
  • All of your responses are anonymous and none of the responses will be connected to identifying information.
  • The survey is being conducted using Qualtrics, a cloud based software that stores data on secure servers.
  • If you receive this invitation from more than one source, please do not answer this survey more than once.

Follow this link to the Survey:
Take the Survey

Or copy and paste the URL below into your internet browser:
https://umn.qualtrics.com/jfe/form/SV_3yNovY0k8Re8B0h?RID=MLRP_8lh3SQN824Bau57&Q_CHL=email

If you have any questions about this survey, or difficulty in accessing the site or completing the survey, please contact Eric Watkins at ewatkins@umn.edu or 612-624-7496. If you have any questions or concerns about your role and rights as a research participant, you may contact, anonymously if you wish, the Research Subjects’ Advocate Line, D528 Mayo 420 Delaware St. Southeast, Minneapolis MN 55455; 612-625-1650.

Thank you in advance for providing this important feedback.

Sincerely,
Dr. Eric Watkins

Department of Horticultural Science
University of Minnesota
338 Alderman Hall
1970 Folwell Avenue
St. Paul, MN 55108

Tags:  commercial flower growers  nursery grower  research  turfgrass  university of minnesota 

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America’s Greatest Horticulturist Left Behind a Plum Mystery

Posted By MNLA eNews, Tuesday, May 22, 2018
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more Calendar

9/4/2018 » 9/27/2018
Basic Sales and Use Tax Course by MN Dept. of Revenue

9/27/2018
Landscape Design Networking/Landscape Lighting Talk & Tour

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