Efeitos da aplicação de nutrientes na produtividade e qualidade de sementes de soja
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Data
2008-12-19
Autores
Souza, Sandra Aparecida de [UNESP]
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Editor
Universidade Estadual Paulista (Unesp)
Resumo
A nutrição das plantas progenitoras pode afetar a produção e a qualidade fisiológica das sementes tendo em vista que a disponibilidade de nutrientes influencia a formação do embrião e o acúmulo de reservas da semente. No presente trabalho, objetivou-se avaliar a produtividade, qualidade fisiológica e composição química de sementes de soja (Glycine max L. Merril), em resposta à adubação via sementes com Mo e Co, foliar com Mo, Co, Zn, Mn, B, Cu e K e a adubação do solo em cobertura com K. Utilizou-se o esquema em blocos casualizados, com quatro repetições, sendo os tratamentos estabelecidos da seguinte forma: T1 - testemunha – inoculação; T2 - inoculação + sementes tratadas com Co e Mo; T3 - inoculação + sementes tratadas com Co e Mo + 400 g.ha-1 de Mo no estádio R3 + 400 g.ha-1 de Mo no estádio R5-4, via foliar; T4 - inoculação + sementes tratadas com Co e Mo + 2 g.ha-1 de Co + 25 g.ha-1 Mo no estádio V4, via foliar; T5 - inoculação + sementes tratadas com Co e Mo + 500 g.ha-1 de sulfato de manganês + 500 g.ha-1 de nitrato de potássio nos estádios R2, R2 + 10 dias e R2 + 25 dias, via foliar; T6 - inoculação + sementes tratadas com Co e Mo + 500 g.ha-1 de sulfato de zinco + 300 g.ha-1 de nitrato de potássio nos estádios R2, R2 + 10 dias e R2 + 25 dias, via foliar; T7 - inoculação + sementes tratadas com Co e Mo + 400 g.ha-1 de ácido bórico nos estádios R2, R2 + 10 dias e R2 + 25 dias, via foliar; T8 - inoculação + sementes tratadas com Co e Mo + 300 ml.ha-1 de cobre quelatizado com EDTA (6,5% - d=1,38g/mL) nos estádios R2, R2 + 10 dias e R2 + 25 dias, via foliar; T9 - inoculação + sementes tratadas com Co e Mo + 150 kg.ha-1 de sulfato de potássio no estádio R2, aplicado no solo e T10 - inoculação + sementes tratadas com Co e Mo + 500 g.ha-1 de sulfato de manganês + 500 g.ha-1 de sulfato de zinco + 200 g.ha de ácido bórico...
Nutrition of mother plants may also affect production and physiological quality of seeds considering that nutrient availability influences embryo formation as well as accumulation of reserve compounds. The present research had the objective of evaluating productivity, physiological quality and chemical compound of soybean seeds [Glycine max (L.) Merril] responding to seeds fertilization with Mo and Co, leaf fertilization with Mo, Co, Zn, Mn, B, Cu and K and top dressing fertilization with K. Randomized complete blocks were used with four replication. Treatments were organized as: T1 - control – seeds treated with inoculant; T2 - seeds treated with inoculatant, Co and Mo; T3 - seeds treated with inoculatant, Co and Mo + 400 g Mo applied at R3 + 400 g Mo at R5-4; T4 - seeds treated with inoculatant, Co and Mo + 32 mL.ha-1 Co buffered with EDTA and 25 g.ha-1 Mo at V4; T5 - seeds treated with inoculatant, Co and Mo + 500 g.ha-1 manganese sulfate + 500 g.ha-1 potassium nitrate at R2, R2 + 10 days e R2 + 25 days; T6 - seeds treated with inoculatant, Co and Mo + 500 g.ha-1 zinc sulfate + 300 g.ha-1 potassium nitrate at R2, R2 + 10 days e R2 + 25 days; T7 - seeds treated with inoculatant, Co and Mo + 400 g.ha-1 boric acid at R2, R2 + 10 days e R2 + 25 days; T8 - seeds treated with inoculatant, Co and Mo + 300 ml.ha- 1 buffered cooper with EDTA at R2, R2 + 10 days e R2 + 25 days; T9 - seeds treated with inoculatant, Co and Mo + 150 kg.ha-1 potassium sulfate applied in soil at R2 level and T10 - seeds treated with inoculatant, Co and Mo + 100 g.ha-1 molybdenum + 550 ml.ha-1 buffered copper with EDTA + 500 g.ha-1 manganese sulfate + 500 g.ha-1 zinc sulfate + 200 g.ha-1 boric acid, applied at R2, R2 + 10 days and R2 + 25 days + 500 g.ha-1 of potassium nitrate + 250 kg.ha-1 potassium chlorate applied to soil at R2 level Production and productivity compounds were determined and seed physiological... (Complete abstract click electronic access below)
Nutrition of mother plants may also affect production and physiological quality of seeds considering that nutrient availability influences embryo formation as well as accumulation of reserve compounds. The present research had the objective of evaluating productivity, physiological quality and chemical compound of soybean seeds [Glycine max (L.) Merril] responding to seeds fertilization with Mo and Co, leaf fertilization with Mo, Co, Zn, Mn, B, Cu and K and top dressing fertilization with K. Randomized complete blocks were used with four replication. Treatments were organized as: T1 - control – seeds treated with inoculant; T2 - seeds treated with inoculatant, Co and Mo; T3 - seeds treated with inoculatant, Co and Mo + 400 g Mo applied at R3 + 400 g Mo at R5-4; T4 - seeds treated with inoculatant, Co and Mo + 32 mL.ha-1 Co buffered with EDTA and 25 g.ha-1 Mo at V4; T5 - seeds treated with inoculatant, Co and Mo + 500 g.ha-1 manganese sulfate + 500 g.ha-1 potassium nitrate at R2, R2 + 10 days e R2 + 25 days; T6 - seeds treated with inoculatant, Co and Mo + 500 g.ha-1 zinc sulfate + 300 g.ha-1 potassium nitrate at R2, R2 + 10 days e R2 + 25 days; T7 - seeds treated with inoculatant, Co and Mo + 400 g.ha-1 boric acid at R2, R2 + 10 days e R2 + 25 days; T8 - seeds treated with inoculatant, Co and Mo + 300 ml.ha- 1 buffered cooper with EDTA at R2, R2 + 10 days e R2 + 25 days; T9 - seeds treated with inoculatant, Co and Mo + 150 kg.ha-1 potassium sulfate applied in soil at R2 level and T10 - seeds treated with inoculatant, Co and Mo + 100 g.ha-1 molybdenum + 550 ml.ha-1 buffered copper with EDTA + 500 g.ha-1 manganese sulfate + 500 g.ha-1 zinc sulfate + 200 g.ha-1 boric acid, applied at R2, R2 + 10 days and R2 + 25 days + 500 g.ha-1 of potassium nitrate + 250 kg.ha-1 potassium chlorate applied to soil at R2 level Production and productivity compounds were determined and seed physiological... (Complete abstract click electronic access below)
Descrição
Palavras-chave
Soja, Sementes - Qualidade, Produtividade, Nutrientes, Soybean, Seeds, Productivity, Quality
Como citar
SOUZA, Sandra Aparecida de. Efeitos da aplicação de nutrientes na produtividade e qualidade de sementes de soja. 2008. 56 f. Tese (doutorado) - Universidade Estadual Paulista, Faculdade de Ciências Agronômicas de Botucatu, 2008.