Relationships among Laboratory Germination, Greenhouse, and Field Emergence of Four Castor Seed Lots1
- R. E. Stafford and
- R. B. Metzer2
High-, intermediate-, and low-germinating castor seed lots were evaluated for their performance in rolled germination paper, Kinipak, sterile sand, and field soil. High-germinating seed gave similar results on the four substrates. Low- and intermediate-germinating seed lots gave maximum germination in sterile sand and field soil. High positive correlations were found among all germination substrates. Laboratory germination in tetramethylthiuram disulfide (thiram)-treated rolled germination paper at standard temperatures and germination on Kimpak at a constant 27 C were good indicators of seedling emergence in the field.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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