Illinois Seed Treatment Questions and answers 100% verified latest version
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Course
Illinois Field Crop Applicators
Institution
Illinois Field Crop Applicators
Illinois Seed Treatment Questions and answers 100% verified latest version
Factors that favor use of Seed Treatment - ANSWER -field is for seed production
-low test weight or older seed
-protects when planting in unfavorable conditions
-planting to precise populations
-yield potential ...
Factors that favor use of Seed Treatment - ANSWER -field is for seed production
-low test weight or older seed
-protects when planting in unfavorable conditions
-planting to precise populations
-yield potential of field is high
A
Benefits of Seed Treatment as part of IPM - ANSWER -safer for environment
-avoid pesticide residue
VI
-minimize economic loss due to pests
-host plant resistance
TU
Contact Pesticides - ANSWER control only surface pathogens
Systemic Pesticides - ANSWER control seedborne pathogens both on the surface
and internally and some sucking insects above & below soil surface & soil borne
IS
pathogens
Alternatives to seed treatment - ANSWER -crop rotation
-good fertility management
M
-heat treatment
-planting date
O
-soil-applied or post-emergence sprays
-controlling volunteer crop plants
A
Fungi - ANSWER -small organisms
-saprophytic but some pathogenic to live on plants or animals
N
bacteria - ANSWER single-celled organisms reproducing by division
JP
viruses - ANSWER consist of either DNA or RNA with a protein coat
Fungal Pests (seedborne pathogens) - ANSWER -Common Bunt of Wheat - Fishy
smell (stinking bunt), infects coleoptile
-Loose Smut of Wheat - dormant in embryo until germination, infected heads form
heads producing spores instead of seeds
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