The Division for Development and Public Relations     JAIME  KIGEL,  Jack Futterman Professor Emeritus of Agricultural Botany  Status : ACTIVE Birth place : RIO NEGRO, ARGENTINA Office Phone: 08-948-9916 Fax: 08-948-9899 E-Mail: kigel@agri.huji.ac.il U.R.L: http://departments.agri.huji.ac.il/plantscience/staff.html   Department Faculty   ROBERT H. SMITH INSTITUTE OF PLANT SCIEN ROBERT H.SMITH FACULTY OF AGRI Dept. Description   Academic Degree   Institution Year Ph.D. HEBREW UNIV. 1975   Academic Position   Year EMERITUS 2011 PROFESSOR 2006 ASSOC. PROFESSOR 1994 SENIOR LECTURER 1981 LECTURER 1975   Administrative Position   From To Director, The Ring Center for Interdisciplinary Environmental 2007 Research   External Academic Positions Research Fellow: Welsh Plant Breeding Station, Aberystwyth- , 1974-75; Brandeis Univ., 1980 Visiting Prof., Penn. State Univ., 1988-89   Research Interests Ecology of herbaceous communities and semiarid rangelands. Impact of climate change, land abandonment and grazing on primary productivity and plant diversity. Adaptation of desert annuals and geophytes to aridity gradients. Seed-bank dynamics in natural and weed communities. Granivory. Environmental control of plant development. Physiology of seed germination. Plant responses to heat and water stress.   Research Projects Biodiversity - productivity relationships and climatic change. Reproductive strategies in desert annuals along gradients of Sheep role in weed invasion in wheat fields. Adaptability of common bean ( Phaseolus vulgaris ) to water Role of seed-bank in rangeland management in semi-arid regions: Reproductive strategies of desert annuals and geophytes: Weed biology:   Selected Publications Publication Title   Year Plant survival in relation to seed size along environmental 2010 Ecotypic variation of summer dormancy relaxation associated with 2010 Recovery of plant species composition and ecosystem function 2010 Water deficit, heat tolerance, and persistence of summer-dormant 2009 Weed infestation of wheat fields by sheep stubble grazing in the 2009 The relationships between gibberellin and organ size in colored 2009 Leaf traits capture the effects of land use changes and climate 2009 A community-level test of the Leaf-Height-Seed ecology strategy 2009 Effects of cattle grazing timing and intensity on soil seed 2008 Variation in endogenous gibberellins, abscisic acid and 2008 A method to differentiate summer-dormant from summer-active tall 2008 Impact of abundance weighting on the response of seed traits to 2008 Soil seed bank and seedling emergence of Sarcopoterium 2007 Grazing, mulching, and removal of wheat straw in a no-till 2007 Direct and indirect effects of grazing on the annual plant 2007 Annual plant-shrub interactions along an aridity gradient in 2006 Control of bud sprouting and elongation in colored Zantedeschia 2006 Opposite effects of day-length and temperature on flowering and 2006 Similarity between seed bank and vegetation in a semiarid annual 2006 Size traits and site conditions determine changes in seed bank 2005 Invasion of Pinus halepensis from plantations into 2005 A developmental pattern of flowering in colored Zantedeschia 2005 Hormonal control of inflorescence development in tissue cultured 2004 The effect of gibberellin and cytokinin on floral development in 2004 A developmental pattern of flowering in colored Zantedeschia 2004 Effect of irrigation regime on disease expression in melon 2004 Site productivity and plant size explain the response of annual 2004 Variation in onset of summer-dormancy and flowering capacity 2003 Effects of grazing on soil seed bank dynamics in a Mediterranean 2003 Grazing effect on diversity of annual plant communities in a 2002 Effect of fruit load on the water balance of melon plants 2002 Effect of soil temperature on disease development in melon 2002 Temperature affects plant development, flowering and tuber 2002 Effects of Azospirillum brasilense on root morphology of 2000 Polymorphism in Plantago lagopus resistance to 2000 Vegetation response to grazing management in a Mediterranean 2000 Photothermal control of the imposition of summer dormancy in 1999 Abscisic acid involvement in the induction of summer-dormancy 1998 Legume crop yield promotion by inoculation with Azospirillum. 1998 Effects of Azospirillum brasilense on nodulation and 1997 Field inoculation of common bean (Phaseolus vulgaris 1996 Seed coat structure and oxygen availability control 1995 Seed coat structure and oxygen availability control 1995 Seed germination in arid and semiarid regions. 1995 Seed germination in arid and semiarid regions. 1995 Differential sensitivity to high temperature of stages in the 1994 Differential sensitivity to high temperature of stages in the 1994 Reproductive allocation strategies in desert and Mediterranean 1993 Diaspore heteromorphism and germination in populations of the 1992 Adaptive phenology of desert and mediterranean populations of 1992 Biology of reproduction in the summer annual weed Euphorbia 1992 Dormancy patterns in buried seeds of D. stramonium L. 1991 The effect of temperature on the production and abscission of 1991 Relationships among germination, emergence and seedling 1991 Comparative plant size and reproductive strategies in desert and 1990 Photoinhibition of stem elongation by blue and red light: 1990   © All rights reserved to The Hebrew University of Jerusalem