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  • Author or Editor: Patricia J. Duncan x
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Abstract

Freshly harvested, unstratified seeds of K. latifolia and R. maximum were treated with GA3 for 36 hours at concentrations of 0, 50, 200, and 1000 ppm, sown in multicell flats containing 3 bark: 1 sand medium (v/v), grown for 21 days in a greenhouse under 10-hour and 24-hour photoperiods and irrigated by mat, intermittent mist, or hand-sprinkling. Average germination was 79.8% for K. latifolia and 79.2% for R. maximum. Seed germination of K. latifolia was 90% under intermittent mist and 24-hour photoperiods. R. maximum germination was highest under intermittent mist watering (88%) with no difference between 10-hour and 24-hour photoperiods. Gibberellic acid (GA3) treatment had no effect on germination in either species.

Open Access