A smoke treatment inducing flower formation in iris bulbs.

Authors

  • J.A. Schipper

DOI:

https://doi.org/10.18174/njas.v30i3.16976

Abstract

Bulbs of the iris cvs Ideal (8-9 or 10 cm circumference) and Prof. Blaauw (9-10 or 11 cm circumference) for early forcing were exposed to smoke from burning damp wheat straw during the first or second week of storage at 35 deg C after lifting. Smoke treatment was applied for 1, 3 or 5 days; gas analyses for ethylene, CO and O2 showed considerable variations in composition. With Ideal, treatment reduced the % non-flowering plants (in terms of bud blast for the 10-cm bulbs and three-leaved plants for the 8-9 cm bulbs) compared with controls; the larger bulbs also flowered earlier than those of controls. Fewer leaves than normal were produced. Flowering % in Prof. Blaauw was improved slightly by treatment, but earliness was not increased. No difference in effect was observed between the 2 treatment dates or the 3 durations. [For earlier work see HcA 51, 480.] (Abstract retrieved from CAB Abstracts by CABI’s permission)

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Published

1982-08-01

Issue

Vol. 30 No. 3 (1982)

Section

Papers

License

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