Fig 5. The ultrastructure of parenchyma cells (PP) of phloem in lateral branches of melons after low night temperature treatments.

(A) The PP of phloem in lateral branches of control plants, ×36000; (B, C) The PP of phloem in lateral branches after low night temperature treatment at 12°C for 12 d, ×19000; (D) The PP of phloem in lateral branches after low night temperature treatment at 9°C for 12 d, ×19000; (E) The PP of phloem in lateral branches after low night temperature treatment at 9°C for 12 d, ×58000. PP: parenchyma cells; M: mitochondria; RER: rough endoplasmic reticulum; S: starch grain.