ศูนย์นวัตกรรมเทคโนโลยีหลังการเก็บเกี่ยว

Effect of Propyl Gallate and Silica Gel on Soybean (Glycine max (L.) Merr.) Seeds Undeer Different Storage Conditions.

Surat nuglor

Master of science (Agronomy), University of the philippines as Los Banos,

1996

บทคัดย่อ

 This study was conduted to determine the effect of propyl gallate, a lipid antioxidant, and silica gel, a desiccant, o­n soybean seeds under different storage conditions. The different storage conditions employed were open storage sealed tin can, sealed plastic bag and sealed plastic bag placed in sealed tin can. In a given storage condition, there were three treatments, namely propyl gallate treatment, addition of silica gel and a control. Seed moisture content, germination percentage and seed vigor was evaluated every month for a period of six months. Free fatty acid content was also determined at the third sixth month of storage.

Soybean seeds stored in tin cans, plastic bags placed in tin cans with silica gel and the control in sealed tin cans shows lower seed moisture content, higher seed vigor and germinability compared to the other storage treatment. o­n the other hand, soybean seeds treated with propyl gallate did not have any protective effect o­n seed deterioration. This may be due to the toxicity of propyl gallate. The concentration used (40 mM = 0.08%) is beyond the optimum level for maintaining soybean seed quality. Total free fatty acid declined in almost all treatments except in the open storage system with propyl gallate after six months of storage.

It is advisable to reduce seed moisture content as low as possible prior to the storage of soybean seeds with silica gel in impermeable, compact and closed containers to prevent the loss of seed viability and to ensure high percentage of seed germination in the succeeding growing seasons.