Plenary Review Boron functions in plants and animals: recent advances in boron research and open questions Heiner E. Goldbach, Longbin Huang and Monika A. Wimmer Part I Boron in Plants Physiology and Metabolism of Boron in Plants Boron modulation of chilling and freezing tolerance in leaf cells of warm season species Longbin Huang, Richard W Bell and Bernard Dell Influence of boron on xylogenesis in Pinus radiata organ cultures Tracy Putoczki, Juliet Gerrard and Sandra Jackson Influence of boron on Al absorption and Ca releasing of root border cells of pea (Pisum sativum) Min Yu and Heiner E. Goldbach Influence of boron and aluminum on production and viability of root border cells of pea (Pisum sativum) Jiayou Liu, Min Yu, Changquan Wang and Yingming Feng Differences of membrane lipid peroxidation, activities of protective enzymes and polyamines content in leaves between two cotton cultivars with different boron efficiency Mingjian Geng, Lishu Wu, Xiangyun Cao and Wuding Liu Update on boron toxicity and tolerance in plants Robert Reid Boron Nutrition and Boron Application in Crops Studies on plant boron nutrition and boron fertilization in China Yunhua Wang, Lei Shi, Xiangyun Cao and Fangsen Xu An alarming boron deficiency in calcareous rice soils of Pakistan: boron use improves yield and cooking quality A. Rashid, M. Yasin, M. A. Ali, Z. Ahmad and R. Ullah Hidden hunger for boron in tropical cauliflower: evaluation of boron sources and methods for correction M. Edward Raja Absorption of foliar sprayed boron and its translocation in the citrus plants when applied at different phenological phases Rodrigo Marcelli Boaretto, Takashi Muraoka, Maria Fernanda Giné and Antonio Enedi Boaretto Cotton and wheat responded to boron on high-pH calcareous soils in Pakistan M. Ibrahim, A. Niaz and M.Y. Nadeem Potatoresponses to boron and zinc application in a calcareous Udic Ustochrept A. Rashid, M. Masud Mahmood, E. Rafique and K. Farooq Occurrence and correction of boron deficiency in wheat and mustard in Bangladesh M. Jahiruddin, M.U. Ahmed, M.A.Hossain, M.R. Islam, and M.F. Islam Boron deficiency and its nutrition of groundnut in India A.L. Singh, Vidya Chaudhari and M.S. Basu Poor tree form in Eucalyptus nitens linked to boron deficiency Timothy E. Smith Response of ‘schattenmorelle’ tart cherry trees to drip boron fertilization Pawel Wojcik Effect of micronutrients on citrus-fruit yield growing on calcareous soils M. Ibrahim, N. Ahmad and S. A. Anwar and T. Majeed Development of new boron micronutrient and determination of product applications Gaye Çakal, Ferhat, M. Engin Çelen, Sinem Sener, Süleyman Taban and S. B. Shukla Boron requirement and distribution in the oil palm (Elaeis guineensis Jacq) and some implications on manuring practices K. J. Goh, H. H. Gan, K. K. Kee, P. S. Chew and K. C. Teoh Genotypic Differences of Boron Nutrition in Plants Physiological and genetic bases of boron utilization efficiency in Brassica napus Fangsen Xu and Yunhua Wang Genotypic differences in tolerance to B deficiency in mango in India M. Edward Raja Differences of cell wall constituents between different B-efficient rapeseed cultivars Yuhua Yang, Lijun Wang, Min Yu, Changwen Du, Yunhua Wang and Lishu Wu Determination of suitable maize (Zea mays L.) genotypes to be cultivated in boron-rich central Anatolian soil E.E. Hakki, E. Atalaya, M. Harmankay, M. Babaoglu, M. Hamurcu and S. Gezgin Part II Boron in Animals and Humans Dietary boron: evidence for essentiality and homeostatic control in humans and animals Curtiss D. Hunt Dietary boron: evidence for a role in immune function Jerry W. Spears Boron as a dietary factor for bone