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Principles and Practices of Nematode Control

Principles and Practices of Nematode Control

Principles and Practices of Nematode Control. Terminology. Pi = Initial Nematode Population Pt = Threshold level (ETL, Damaging level, Pathogenic level) Pf = Final Nematode Population Nematode control required only if Pi > Pt Nematode Control - aims at eradication

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1.98k views • 32 slides
Economic Thresholds Crop Management Systems Introduction to Nemaplex

Economic Thresholds Crop Management Systems Introduction to Nemaplex

Economic Thresholds Crop Management Systems Introduction to Nemaplex. Nematology 204 May 6, 2013 Howard Ferris Department of Entomology and Nematology University of California, Davis. Crop Yield in Relation to Nematode Population Density. Annual Crops Critical Point Models. Premises:

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259 views • 25 slides
Nematode Thresholds and Damage Levels

Nematode Thresholds and Damage Levels

Nematode Thresholds and Damage Levels. Annual and Perennial Crops. Sources of Data. Ferris et al, 1970s and 1980s Roberts et al, 1980s Cooke and Thomason, 1970s. Some Constraints to Early Adoption. Availability of inexpensive nematicides Development of resistant varieties in some crops

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248 views • 24 slides
Nematode Thresholds and Damage Levels

Nematode Thresholds and Damage Levels

Nematode Thresholds and Damage Levels. Howard Ferris and Philip Roberts Nematology Workgroup Meeting March, 2005. Sources of Data. Ferris et al, 1970s and 1980s Roberts et al, 1980s Cooke and Thomason, 1970s. Some Constraints to Early Adoption. Availability of inexpensive nematicides

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237 views • 13 slides
Nematode Thresholds and Damage Levels for California Crops

Nematode Thresholds and Damage Levels for California Crops

Nematode Thresholds and Damage Levels for California Crops. Howard Ferris and Philip Roberts Nematology Workgroup Meeting March, 2005. Sources of Data. Ferris et al, 1970s and 1980s Roberts et al, 1980s Cooke and Thomason, 1970s. Some Constraints to Early Adoption.

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135 views • 13 slides
Nematodes in Grapes

Nematodes in Grapes

Nematodes in Grapes. Introduction Nematodes account for an estimated 14% of all worldwide plant losses, which translates into almost $100 billion dollars annually.

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1.79k views • 11 slides

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