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  • Author or Editor: R. J. Henny x
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This paper reports a method of propagating Peperomia ‘Red Ripple’ from leaf discs in vitro.

Open Access
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Abstract

Pollen of Spathiphyllum floribundum (Linden & Andre) N. E. Br. ‘Mauna Loa’ and Vriesea malzinei E. Morr. was stored at 7° and 23°C at relative humidities of 10, 35, 65 and 90%. Optimum pollen germination of both species occurred after storage at 7°C and 65% relative humidity. Germination decreased rapidly at 23°C regardless of relative humidity.

Open Access
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Abstract

Four Dieffenbachia species produced a low percentage of pollen grains with mean diameters 3244% larger than normal-sized grains.

Open Access
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Abstract

Pollen of Dieffenbachia maculata (Lodd.) G. Don ‘Perfection’ remained viable for 5 days when stored at 5°C and 90% relative humidity. Pollen germination declined rapidly when stored for more than 1 day at 5 or 25° without controlled humidity. Freezing of pollen was an unsuccessful storage method.

Open Access
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Abstract

Germination of Maranta leuconeura E. Morr. embryos was 65% in Linsmaier and Skoog culture medium and increased to 100% with the addition of N6-[Δ2-isopentenyl] - adenine (2iP).

Open Access
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Abstract

Dieffenbachia maculata (Lodd.) G. Don ‘Perfection’ sprayed with GA3 in September flowered within 105 days or less. Inflorescence number per plant was greater at 500 and 1000 mg/liter than at the 250 mg/liter treatment.

Open Access