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2 real negative results, null findings, and replication failures in Plant ecology · Negative / Null Result Report. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportOpen accessPlant ecology

Influence of Mango Cultivars on the Population Density of the White Mango Scale Insect, Aulacaspis tubercularis (Homoptera: Diaspididae) in Damietta Governorate

T. Ata, S. Awadalla, M. Bayoumy et al. · 2025 · Journal of Plant Protection and Pathology

The white mango scale insect, Aulacaspis tubercularis (Diaspididae: Homoptera), is one of the most destructive pests affecting mango trees in Egypt. This study investigates the impact of different mango cultivars on the population dynamics of this insect in New Damietta mango orchards during the 2022 and 2023 seasons. The effects of natural enemies and weather factors, including mean temperature (°C), relative humidity (%), tree orientation, and seasonality, were analyzed. The findings revealed three annual population peaks of A. tubercularis, occurring in February, May, and August across diff

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Negative / Null Result ReportOpen accessPlant ecology

EFFECT OF DELTAMETHRIN ON DRUG METABOLIZING ENZYMES IN MALE MICE LIVER

Sabah El-Banna. · 2006 · Journal of Plant Protection and Pathology

The present study was undertaken to investigate the effects of a single (24 h) and repeated (7 days) doses of deltamethrin (10 rngikg body weight daily) on hepatic drug metabolizing enzymes. The hepatic content of microsomal protein, cytochrome P450 and b5. activities of NADPH cytochrome C reductase, amidopyrine N—demethylase. aniline-4shydroxylase. glutathion S-transeferase and the level of thiobarbituric acid reactive substances (TEARS) were determined. The obtained results indicated that a single dose of deltamethrin had no significant effect on hepatic microsomal proteins, cytochrome b5, am

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