Pyrazine-2-carboxylic acid delays juice sac granulation in pummelo through CgWRKY48-mediated repression of CgCAD1 - Jin-mei Chang; Ming-zhe Yang; Yan-xue Guo; Pan-pan Tong; Tian-qi Guo; Gui-zhen Gao; Jian-ye Chen; Lu-bin Zhang; Hai-hua Luo; Wei Wei (Postharvest Biology and Technology, 2026)