1. Chlorsulfuron inhibition of cell cycle progression and the recovery of G₁ arrested cells by Ile and Val

   • James Robbins
   • Thomas L. Rost

   OriginalPaper Pages: 67 - 74

2. Plant growth regulatory metabolites from novel actinomycetes

   • Saroj K. Mishra
   • William H. Taft
   • Stanley K. Ries

   OriginalPaper Pages: 75 - 83

3. Metabolic changes associated with bud break induced by thidiazuron

   • S. Y. Wang
   • Z. L. Ji
   • M. Faust

   OriginalPaper Pages: 85 - 95

4. Phytohormones,Rhizobium mutants, and nodulation in legumes. VII. Identification and quantification of cytokinins in effective and ineffective pea root nodules using radioimmunoassay

   • Jane Badenoch-Jones
   • Charles W. Parker
   • D. S. Letham

   OriginalPaper Pages: 97 - 111

5. Cytokinin activities ofN ⁶-benzyladenosine derivatives hydroxylated on the side-chain phenyl ring

   • M. Kamínek
   • Tomáš Vaněk
   • Václav Motyka

   OriginalPaper Pages: 113 - 120