Temperature Changes Affect the Vulnerability of Cotton Bollworms, Helicoverpa armigera (Hübner)
Jian Huang, Pengfei Wu, Wenyuan Xing, Xiaojun Wang · 2025
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Description
Jian Huang and co-authors read thirty years of weather and pest records to learn how warming shifts the cotton bollworm in Xinjiang. The bollworm is a cold-blooded, world-spanning crop pest, and its numbers answer directly to temperature. Their 2025 paper pairs long-term population counts from two southern counties and one northern county with the matching weather data.
Bollworm numbers rose overall while their year-to-year swings calmed. Each region answered to a different master variable: winter temperature spread in the south, May minimum temperature in one county, July minimum in the north. Warm winters shrank spring populations everywhere, though the effect reached significance in only one county, and annual totals moved in opposite directions between south and north. Summers below thirty-three degrees boosted all regions. The authors hand pest managers a region-by-region map of which thermometer reading to watch.
Catalog record
| CREATOR | Jian Huang, Pengfei Wu, Wenyuan Xing, Xiaojun Wang |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 45 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |