Phenological response of spring wheat to timing of photoperiod perception: The effect of sowing depth on final leaf number in spring wheat |
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| Institution: | 1. The New Zealand Institute for Plant & Food Research Limited, Private Bag 4704, Lincoln, 7608, New Zealand;2. The New Zealand Institute for Plant & Food Research Limited, Private Bag 4442, Palmerston North, New Zealand;3. The University of Auckland, Department of Statistics, Private Bag 92019, Auckland, 1142, New Zealand;1. Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan;2. Center for Emerging Contaminants Research, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan;1. Advanced Environmental Biotechnology Center (AEBC), Nanyang Environment and Water Research Institute (NEWRI), Nanyang Technological University, 1 Cleantech Loop, CleanTech One, #06-08, 637141, Singapore;2. School of Civil and Environmental Engineering, Nanyang Technological University, 60 Nanyang Avenue, 637551, Singapore;1. Department of Paper, Wood Technology and Sciences, College of Natural Resources, University of Zabol, Zabol, Iran;2. Wood Science and Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran;1. Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, China;2. School of Life Science and Biotechnology, Dalian University of Technology, Dalian, Liaoning 116024, China;1. Universidade Federal Fluminense, Departamento e Pós-graduação em Biologia Marinha, Campus do Valonguinho, Outeiro São João Batista, s/n°., CEP: 24020-141, Niterói, Rio de Janeiro, Brazil;2. Universidade Federal Fluminense, Escola de Engenharia, Campus da Praia Vermelha, Boa Viagem, CEP: 24210-310, Niterói, Rio de Janeiro, Brazil;3. Universidade Federal do Pará, Instituto de Geociências, Campus Universitário do Guamá, Rua Augusto Corrêa, n° 1, Campus Básico, CEP: 66075-110, Belem, Pará, Brazil;4. Universidade Federal Fluminense, Instituto de Física, Campus da Praia Vermelha, Boa Viagem, CEP: 24210-310, Niterói, Rio de Janeiro, Brazil;5. Universidade Federal Rural da Amazônia, Instituto Sócio Ambiental e Recursos Hídricos, Av. Perimetral s/n -Terra Firme, CEP: 66077901, Belem, Pará, Brazil;6. Universidade Federal do Rio de Janeiro, Museu Nacional, Departamento de Antropologia, Quinta da Boa Vista, Rio de Janeiro, Brazil;7. Universidade Federal Fluminense, Instituto de Geociências, Campus da Praia Vermelha, Boa Viagem, CEP: 24210-310, Niterói, Rio de Janeiro, Brazil;8. Universidade Federal Fluminense, Instituto de Química, Departamento de Geoquímica, Outeiro São João Batista, s/n, Niterói, CEP: 24020-141, Niterói, Rio de Janeiro, Brazil;1. GESAD- Decentralized Sanitation Research Group, Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Trindade, Florianópolis, Santa Catarina, Zip Code 88040-900, Brazil;2. Environmental Municipality Foundation of Florianópolis – FLORAM, Rua João Pio Duarte Silva, n. 535, Corrego Grande, Florianópolis, Santa Catarina, Zip Code 88037-001, Brazil;3. Department of Cellular Biology, Embryology and Genetics, Federal University of Santa Catarina, Trindade, Florianópolis, Santa Catarina, Zip Code 88040-900, Brazil |
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| Abstract: | Wheat phenological modelling literature suggests final leaf number (FLN) targets of wheat (Triticum aestivum) will be set only once daylight is perceived and will be based upon environmental and cultivar-specific genetics at that time. Development is thought to proceed relative to thermal time regardless of light perception prior to emergence. Modelled predictions of final leaf number (FLN) and thence anthesis are based on this mechanism. Results did not support this hypothesis, and we suggest and alternative hypothesis based on molecular interactions between vernalization genes Vrn1, Vrn2 and Vrn3. |
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| Keywords: | Sowing depth Photoperiod Model Phenology Wheat |
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