Anatomical Features and Vigour Relationship in Different Strains of Trifoliate Orange (Poncirus Trifoliata Raf.)

Anatomical features and vigour characteristics of nine strains of trifoliate orange (P. trifoliala Raf.) were correlated. A high degree of positive correlation was observed between leaf area and vigour of the plants. No significant correlation was observed between stomatal density and vigour of the plants.