Phloem transport in gymnosperms: a question of pressure and resistance

Landbrug og biologi

• Gymnospermae 100%
• phloem 83%
• sieve elements 82%
• mass flow 56%
• Angiospermae 37%
• turgor 24%
• sap 21%
• endoplasmic reticulum 18%
• flowers 14%
• carbon 13%
• fruits 12%
• tissues 9%
• leaves 9%