Qualidade fisiológica de sementes de soja produzidas sob sombreamento

نویسندگان

چکیده

A baixa intensidade luminosa reduz a produção de fotoassimilados pelas plantas e consequentemente o acúmulo reservas nas sementes. Objetivou-se avaliar qualidade fisiológica sementes soja produzidas sob sombreamento iniciado em diferentes estádios fenológicos da cultura. O experimento foi conduzido casa vegetação, no CAV/UDESC, durante safra 2018/2019, delineamento inteiramente casualizado, com nove tratamentos 10 repetições. Os foram constituídos por lotes sementes, sendo oito obtidos submetidas contínuo 70%, fenológicos: estádio V6 (Dia Juliano 07); R1 (DJ 14); R2 21); R3 28); R4 35); R5 42); início R6 49); final 56), um lote sem (testemunha). Cada repetição composta vaso contendo uma planta soja. Avaliou-se potencial germinação vigor das produzidas. maior oriundas sombreadas partir do (35 DJ), 98%, mas, os demais apresentaram percentuais acima 87%. teste envelhecimento acelerado inferior para obtido V6, 43%. Já massa seca plântulas apresentou redução 7,0 13,3% relação à testemunha, quando imposto entre R6. Concluiu-se que 70% promoveu R4, porém, afetado maneira dependente iniciou utilizado.

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ژورنال

عنوان ژورنال: Revista de Ciências Agroveterinárias

سال: 2023

ISSN: ['1676-9732', '2238-1171']

DOI: https://doi.org/10.5965/223811712212023001