Gas exchanges and carbohydrate metabolism in orange trees with citrus variegated chlorosis

almidón amidon azúcares reductores carbohydrate metabolism chlorose chlorosis citrus sinensis clorose clorosis fotosíntesis gas exchange intercambio de gases laranja metabolismo metabolismo de carbohidratos métabolisme des glucides photosynthesis photosynthèse reducing sugars sacarose saccharose starch sucre réducteur sucrosa sucrose xylella fastidiosa échange gazeux