Secondary xylem and phloem in dicot stem are produced by
Phellogen
Vascular cambium
Apical meristems
Axillary meristems
Explanation:
• Vascular cambium is partially secondary
• Form secondary xylem towards its inside and secondary phloem towards outsides.
• 4 – 10 times more secondary xylem is produced than secondary phloem.
• Vascular cambium is partially secondary
• Form secondary xylem towards its inside and secondary phloem towards outsides.
• 4 – 10 times more secondary xylem is produced than secondary phloem.