Hydrophobic-polymer application reduces imbibition rate and partially improves germination or emergence of soybean seedlings
2001
A:PS
Details
Title
Hydrophobic-polymer application reduces imbibition rate and partially improves germination or emergence of soybean seedlings
Author
Chachalis, D.
Smith, M.L.
Smith, M.L.
Publication Date
2001
Call Number
A:PS
Summary
A hydrophobic polymer was applied to soyabean (Glycine max) seeds to regulate imbibition, reduce imbibition damage and improve germination and seedling emergence. Studies were conducted with genotypes prone to imbibition damage due to either seed coat splitting or low seed vigour. The effect of polymer application on seedling emergence and growth was tested under normal (75% soil water holding capacity; swhc) or short-term flooded (100% swhc for the first 4 days and 75% swhc subsequently) soil conditions. Coating with 24 mg of polymer per seed (Vinamul 3650) regulated the rate of water uptake, reduced imbibition damage and improved percentage germination and seedling emergence. In short-term-flooding soil conditions, low seedling emergence was observed regardless of seed aging and was particularly evident in seeds that possessed a high proportion of split testas. There was little difference between uncoated and coated seeds in the time to 50% emergence and seedling growth. These results suggest that coating with a hydrophobic polymer can reduce rates of water uptake, lower solute leakage and improve vital tetrazolium chloride staining and partially improve germination or emergence of soyabean seedlings.
Journal Citation
v.29(1):91-98, SEED SCIENCE AND TECHNOLOGY
Contact Information
harvest@worldveg.org
Record Appears in
Research > Published Articles