Management of Soybean Cyst Nematode and Sudden Death Syndrome with Nematode-Protectant Seed Treatments Across Multiple Environments in Soybean-Reference-Cited by-同舟云学术

Management of Soybean Cyst Nematode and Sudden Death Syndrome with Nematode-Protectant Seed Treatments Across Multiple Environments in Soybean

Published:2024-06-01 Issue:6 Volume:108 Page:1729-1739
ISSN:0191-2917
Container-title:Plant Disease
language:en
Short-container-title:Plant Disease

Author:

Bissonnette Kaitlyn M.¹^ORCID,Barizon Jefferson¹,Adee Eric²,Ames Keith A.³,Becker Talon³,Biggs Meghan¹,Bradley Carl A.⁴^ORCID,Brown Mariama⁵,Byamukama Emmanuel⁶^ORCID,Chilvers Martin I.⁷^ORCID,Faske Travis R.⁸^ORCID,Harbach Chelsea J.⁹,Jackson-Ziems Tamra A.¹⁰,Kandel Yuba R.¹¹^ORCID,Kleczewski Nathan M.²^ORCID,Koehler Alyssa M.¹²^ORCID,Markell Samuel G.¹³^ORCID,Mueller Daren S.¹¹,Sjarpe Daniel A.¹,Smith Damon L.¹⁴^ORCID,Telenko Darcy E. P.⁵^ORCID,Tenuta Albert U.¹⁵

Affiliation:

1. Division of Plant Science and Technology, University of Missouri, Columbia, MO 65211, U.S.A.

2. Department of Agronomy, Kansas State University, Topeka, KS 66618, U.S.A.

3. Department of Crop Science, University of Illinois, Urbana, IL 61801, U.S.A.

4. Department of Plant Pathology, University of Kentucky, Princeton, KY 42445, U.S.A.

5. Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, U.S.A.

6. South Dakota State University, Brookings, SD 57007, U.S.A.

7. Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, MI 48824, U.S.A.

8. Department of Entomology and Plant Pathology, University of Arkansas System, Lonoke, AR 72086, U.S.A.

9. Department of Crop Science, University of Illinois, Monmouth, IL 61462, U.S.A.

10. Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583, U.S.A.

11. Department of Plant Pathology and Microbiology, Iowa State University, Ames, IA 50011, U.S.A.

12. Department of Plant and Soil Sciences, University of Delaware, Georgetown, DE 19947, U.S.A.

13. Department of Plant Pathology, North Dakota State University, Fargo, ND 58102, U.S.A.

14. Department of Plant Pathology, University of Wisconsin-Madison, Madison, WI 53706, U.S.A.

15. Ontario Ministry of Agriculture, Food, and Rural Affairs, Ridgetown, ON N0P2C0, Canada

Abstract

As soybean (Glycine max) production continues to expand in the United States and Canada, so do pathogens and pests that directly threaten soybean yield potential and economic returns for farmers. One such pathogen is the soybean cyst nematode (SCN; Heterodera glycines). SCN has traditionally been managed using SCN-resistant cultivars and rotation with nonhost crops, but the interaction of SCN with sudden death syndrome (SDS; caused by Fusarium virguliforme) in the field makes management more difficult. Nematode-protectant seed treatments have become options for SCN and SDS management. The objectives of this study were to evaluate nematode-protectant seed treatments for their effects on (i) early and full season SCN reproduction, (ii) foliar symptoms and root-rot caused by SDS, and (iii) soybean yield across environments accounting for the above factors. Using a standard protocol, field trials were implemented in 13 states and one Canadian province from 2019 to 2021 constituting 51 site-years. Six nematode-protectant seed treatment products were compared with a fungicide + insecticide base treatment and a nontreated check. Initial (at soybean planting) and final (at soybean harvest) SCN egg populations were enumerated, and SCN females were extracted from roots and counted at 30 to 35 days postplanting. Foliar disease index (FDX) and root rot caused by the SDS pathogen were evaluated, and yield data were collected for each plot. No seed treatment offered significant nematode control versus the nontreated check for in-season and full-season nematode response, no matter the initial SCN population or FDX level. Of all treatments, ILEVO (fluopyram) and Saltro (pydiflumetofen) provided more consistent increases in yield over the nontreated check in a broader range of SCN environments, even when FDX level was high.

Publisher

Scientific Societies

Link

https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-02-23-0292-RE

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