Plant Cell Reports · 1988 · 47 citations · 13 references
Life SciencesBiologyDevelopmental BiologyEmbryogenesisEmbryologyPlant Developmental BiologyEarly Embryonic DevelopmentEmbryo DevelopmentEmbryonic DevelopmentEmbryonic GrowthSeed DevelopmentSomatic EmbryogenesisImmature Embryo CultureSomatic Embryo InductionSomatic Embryo Maturation
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Ammonium Requirement for Embryogenesis in vitro
Walter Halperin, D. F. Wetherell · Nature · 1965 · 149 citations