Onion Thrips - Utah Pests - Utah State University

More documents

Recommendations

Info

Life stage on plant % composition of total population Eggs in leaves 60-75% Larvae in neck 15-30% Adults in neck 1-3%* *Adults are likely under-represented in whole plant wash samples
Egg hatch from leaves Egg hatching chamber • Heavy-duty gallon-sized ziplock plastic bags • Collect onion leaves (3 rd leaf) from field plants 1, 2, & 3 wk after insecticide treatment (8 leaves per treatment) • Wash leaves & place in hatching chamber with moist filter paper • Placed at 25°C for 2 wk • Wash to collect thrips from leaf & inside of bag at 1 & 2 wk High-tech thrips hatching chamber
Page 1 and 2: Egg Diane Alston Entomologist Utah
Page 3 and 4: Adults Eggs, Larvae, & Adults Prepu
Page 5 and 6: Examples from 2006 & 07 insecticide
Page 7 and 8: Insecticide efficacy Motile thrips
Page 9 and 10: Insecticide efficacy Adult Western
Page 11 and 12: In 2006: • Success, Carzol, and W
Page 15 and 16: Effect of immobile life stages on p
Page 17: Insecticide efficacy Thrips Eggs (S
Page 21 and 22: er leaf thrips pe hatched t an # of
Page 23 and 24: Eggs are the major contributor to p
Page 27 and 28: Importance of egg survival Influenc
Page 29 and 30: Influence of exclusion (caging) on
Page 31 and 32: Abundance of Immigrating Adults Inf
Page 33 and 34: Egg survival and immigrating adults
Page 35 and 36: Mortality factor (insecticide): •
Page 37: Make onions as tolerant / unattract

Onion Thrips - Utah Pests - Utah State University

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?