2. IMPORTANCE OF NITROGEN METABOLISM 2. 1. Range of naturally occurring nitrogenous components in forest trees 2. 2. Gene expression and mapping 2. 3. Metabolic

This symposium is the third in a series featuring the propaga tion of higher plants through tissue culture. The first of these symposia, entitled "A Bridge Betw

Since the first edition of our book "Tissue Culture in Fores try" in 1982 we have witnessed remarkable advances in cell and tissue culture technologies with woo

Woody plants provide many challenges to the tissue culturist. Although there are many excellent tissue culture books and manuals available, these are generally

2. 2. Plant materials 2. 3. Pregrowth conditions 2. 4. Cryoprotectant treatment 2. 5. Freezing 2. 5. 1. Slow freezing 2. 5. 2. Rapid freezing 2. 5. 3. Droplet f