caa a22 4500 606217630 CHVBK 20210128101108.0 cr unu---uuuuu 210128e20150701xx s 000 0 eng 10.1007/s11104-015-2460-2 doi (NATIONALLICENCE)springer-10.1007/s11104-015-2460-2 Does reducing seed-P concentrations affect seedling vigor and grain yield of rice? [Elektronische Daten] [Juan Pariasca-Tanaka, Elke Vandamme, Asako Mori, Zacharie Segda, Kazuki Saito, Terry Rose, Matthias Wissuwa] Aims: Phosphorus (P) removed in grains causes losses of P from fields each year. Reducing grain P may therefore improve the P efficiency of cropping systems. This study quantified impacts of reduced seed-P concentrations on rice seedling vigor and final yields and investigated whether this was influenced by soil P supply or genotype. Methods: Seed batches with P concentrations ranging from 0.9 to 3.5mgg−1 were produced by growing rice in field plots ranging from severely P-deficient to fully fertilized and used in glasshouse and field experiments to investigate effects on seedling vigor and final grain/straw yield. Results: ‘Genotype by seed-P concentration' interactions were significant for seedling vigor but grain yield was generally not affected. This suggested some genotypes were sensitive to reduced seed-P concentration during the seedling stage while others with seed-P concentrations as low as 0.9mgg−1 maintained rapid early vigor and high grain yield. Conclusions: Results indicate it may be possible to reduce seed-P concentrations without having negative effects on seedling vigor or yield. The development of cultivars with reduced seed-P concentration, particularly if combined with rapid seedling root growth, could be a valid option to improve the sustainability of phosphate fertilizer use. Springer International Publishing Switzerland, 2015 Rice genotypes nationallicence Seed-P concentration nationallicence Seedling vigor nationallicence Yield nationallicence Sustainable P utilization nationallicence Pariasca-Tanaka Juan Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Science, 1-1 Ohwashi, 305-8686, Tsukuba, Ibaraki, Japan aut Vandamme Elke Africa Rice Center, P.O. Box 33581, Dar es Salaam, Tanzania aut Mori Asako Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Science, 1-1 Ohwashi, 305-8686, Tsukuba, Ibaraki, Japan aut Segda Zacharie Institut de l'Environnement et de Recherches Agricoles (INERA), 04 BP 8645, Ouagadougou 04, Burkina Faso aut Saito Kazuki Africa Rice Center (AfricaRice), 01 BP 2031, Cotonou, Benin aut Rose Terry Southern Cross Plant Science, Southern Cross University, PO Box 57, 2480, Lismore, NSW, Australia aut Wissuwa Matthias Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Science, 1-1 Ohwashi, 305-8686, Tsukuba, Ibaraki, Japan aut Plant and Soil Springer International Publishing 392/1-2(2015-07-01), 253-266 0032-079X 392:1-2<253 2015 392 11104 https://doi.org/10.1007/s11104-015-2460-2 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s11104-015-2460-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Pariasca-Tanaka Juan Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Science, 1-1 Ohwashi, 305-8686, Tsukuba, Ibaraki, Japan aut NATIONALLICENCE 700 1- Vandamme Elke Africa Rice Center, P.O. Box 33581, Dar es Salaam, Tanzania aut NATIONALLICENCE 700 1- Mori Asako Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Science, 1-1 Ohwashi, 305-8686, Tsukuba, Ibaraki, Japan aut NATIONALLICENCE 700 1- Segda Zacharie Institut de l'Environnement et de Recherches Agricoles (INERA), 04 BP 8645, Ouagadougou 04, Burkina Faso aut NATIONALLICENCE 700 1- Saito Kazuki Africa Rice Center (AfricaRice), 01 BP 2031, Cotonou, Benin aut NATIONALLICENCE 700 1- Rose Terry Southern Cross Plant Science, Southern Cross University, PO Box 57, 2480, Lismore, NSW, Australia aut NATIONALLICENCE 700 1- Wissuwa Matthias Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Science, 1-1 Ohwashi, 305-8686, Tsukuba, Ibaraki, Japan aut NATIONALLICENCE 773 0- Plant and Soil Springer International Publishing 392/1-2(2015-07-01), 253-266 0032-079X 392:1-2<253 2015 392 11104