Potassium Fertilization and Physiological Soybean Seed Quality

• 作者: Adriano Teodoro Bruzi Alan Mario Zuffo Diego Henrique Miranda Everton Vinicius Zambiazzi Igor Oliveri Soares Maria Laene Moreira de Carvalho Pedro Milanez de Rezende
• 来源期刊: 农业科学(英文)
• 学科: 农学
• 关键词: GLYCINE MAX L. SEED VIGOR SEED Production
• 年，卷（期）: 2014,（11）
• 页码范围: 984-991
• 页数: 8页
• 分类号: S5

摘要

The purpose of this study was to evaluate the influence of increased application rates of potassium on the physiological quality of seeds from different soybean cultivars. Seeds from two locations (S?o Gotardo, MG and Lavras, MG, Brazil) were used. After harvest, the seeds were sent to the Central Seed Analysis Laboratory of the Federal University of Lavras. We used a randomized design in a 4 × 6 factorial arrangement of four cultivars and six doses of potassium. All tests were performed with two replicates of 50 seeds (300 seeds per treatment). Germination, emergence under controlled conditions, accelerated aging, electrical conductivity, and tetrazolium tests were performed. Data were subjected to analysis of variance. In soybean seed production fields with high potassium content in the soil, higher application rates of potassium do not increase the physiological quality of seeds.