TITLE

Potássio via recobrimento de sementes de soja: efeitos na qualidade fisiológica e no rendimento

AUTHOR(S)
Ciciliano Tavares, Lizandro; Madruga de Tunes, Lilian; Pich Brunes, André; Robe Fonseca, Daniel Ândrei; de Araüjo Rufino, Cassyo; Carlos Souza Albuquerque Barros, Antonio
PUB. DATE
July 2013
SOURCE
Ciência Rural;jul2013, Vol. 43 Issue 7, p1196
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study aimed to evaluate the physiological quality and yield of soybean seeds coated with different sources and concentrations of potassium. Using soybean cultivar 'CD 201'. The experimental design was completely randomized and the treatments were a factorial 2x5 (sources of potassium: KCl and K2SO4 and levels: 0, 5, 50, 500 and 5000mg L-1), a total often treatments, with four replications. The seeds were covered with 2 ml of solution of potassium 2mL + Polymer (Sepiret®) + 2mL of inoculants (Rizofix®) per kg of seed, totaling 6mL kg-1 seeds. The variables analyzed after treatment of the seeds were first count of germination, germination, accelerated aging, cold test and length of shoot and root. After harvest, we evaluated the physiological seed quality and seed yield. It is concluded that the coating of soybean seeds, cultivar 'CD 201', chloride and potassium sulfate does not influence the germination of treated seed, however potassium positively influences the performance of seedlings. The seed coating by potassium sulphate and potassium chloride to 5000mg L-1 seed do not interfere with seed yield, but the potassium sulphate seed produces higher quality than chloride.
ACCESSION #
89798024

 

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