# Hyperspectral Estimation of SPAD Value of Cotton Leaves under Verticillium Wilt Stress Based on GWO–ELM

> Research article (Agriculture, 2023) · cited 19× · AI/ML

**Wikidata**: [openalex:W4386559677](https://www.wikidata.org/wiki/openalex:W4386559677)  
**Source**: https://4ort.xyz/entity/hyperspectral-estimation-of-spad-value-of-cotton-leaves-under-verticillium-wilt-stress-based-on-gwoelm