Claim · model-written summary
Hatched Ostrinia nubilalis eggs on maize were 29.2% in treated and 66.3% in untreated areas.
Zea maysVerbatim
e1“The hatched eggs of O. nubi/alis were 29.2 and 66.3% in the treated and untreated areas, respectively”
e2“The efficacy of field releases of the egg parasitoid, Ttic ogramma evanescens Westw. against Ostrinia nubila/is Hbn. on maize plant tion were investigated at Giza region in 2000 and 2001 seasons”
Title
Sahar Abdel-Aziz, Journal of Plant Protection and Pathology /Journal of Plant Protection and Pathology 2003. doi:10.21608/jppp.2003.243523
Other claims from this paper (8)
- Intervention effect Field releases of Trichogramma evanescens raised parasitism of Ostrinia nubilalis eggs on maize in 2000 to 40.19% versus 2.88% in untreated plots.
- Intervention effect Mean parasitism of Ostrinia nubilalis eggs on maize in 2001 was 59.39% in the released area and 15.03% in the unreleased area.
- Intervention effect Field releases of Trichogramma evanescens gave a died and lost egg share of 7.9% and 4.1% on maize in 2000, against 6.6% and 4.3% in control plots.
- Intervention effect Died and lost Ostrinia nubilalis eggs on maize in 2001 were 5.1% and 1.8% in treated plots, against 5.5% and 1.9% in untreated plots.
- Intervention effect Hatchability of Ostrinia nubilalis eggs on maize was 12.6% in the treated area and 55.8% in the untreated one.
- Observation Parasitoid emergence holes from Ostrinia nubilalis eggs on maize ranged 72 to 80%.
- Observation Natural predators caused predation of 18.61 to 21.8% of Ostrinia nubilalis eggs on maize.
- Observation Predators were directly observed on maize plants.