An appraisal of research on wet and dry physiological seed treatments and their applicability, with special reference to tropical and sub-tropical countries

calidad contenido de humedad ensayo de semillas essai de semences heat treatment hordeum vulgare moisture content oryza sativa quality remojo seed seed longevity seed testing seed treatment semence semillas soaking subtropical zones teneur en eau traitement des semences traitement thermique tratamiento de semillas trempage tropical zones viabilidad viabilidad de la semilla viability zona subtropical zona tropical zone subtropicale zone tropicale