Early diagnosis of nematode attack in cotton plants using photonic techniques - Barreto, Bianca Batista; Dantas, Leticia Piazentin; Paula, O. R. de; Rufino, V. G; Galbieri, R; Villas-Boas, P. R (SBFoton International Optics and Photonics Conference (SBFoton IOPC), 2025)