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Enhancement of Seed Germination by Aging, Cold-stratification, and Light Quality during Desiccation in Burcucumber (Sicyos Angulatus L.)  

Kang, Jin-Ho (College of Agriculture, Gyeongsang National University)
Jeon, Byong-Sam (College of Agriculture, Gyeongsang National University)
Lee, Sang-Woo (College of Agriculture, Gyeongsang National University)
Choe, Zhin-Ryong (College of Agriculture, Gyeongsang National University)
Shim, Sang-In (College of Agriculture, Gyeongsang National University)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.48, no.1, 2003 , pp. 13-16 More about this Journal
Abstract
Seeds of burcucumber were treated with accelerated aging, cold-stratification, and light quality illuminated during desiccation to enhance their germination and seedling emergence. The germination was increased by aging and cold-stratification although the latter treatment showed greater effectiveness than the former one. In the combined treatment of aging 6 days at $45^{\circ}C$ and cold-stratification, the germination was promoted under longer period of cold-stratification to reach nearly 100% in 3 week cold-stratification on the ninth day from sowing. In the sequentially combined treatment of aging, cold-stratification, and light quality during 24 hour desiccation at $35^{\circ}C$, no-stratified seeds showed the highest rate in red light treatment but the lowest in far-red light. This implies that the phytochrome action run during the desiccation of imbibed seeds. The red light exposure during drying for the cold-stratified seeds after aging accelerated the germination even more than the dark treatment and germinated 100% on the next day of sowing. It is concluded that the sequential treatment of aging, cold-stratification, and red light illumination during desiccation can highly promote percentage and speed of burcucumber seed germination.
Keywords
burcucumber (Sicyos angulatus); aging; cold-stratification; drying; light quality; germination;
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