Effects of ventilation on the performance of Jojoba (Simmondsia chinensis) clones: Multiplication stage

A. Benzioni, D. Mills, S. Wenkart, Y. Zhou

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    6 Scopus citations


    Jojoba (Simmondsia chinensis) is a very profitable crop in Israel, mainly due to selection of high-yielding superior clones. However, a major problem facing growers is infection of the plantations with Fusarium Oxysporum, which is presumably transferred from mother plants propagated by cuttings. Production of pathogen-free plants through tissue culture is one approach to solving the problem. However, acclimatization of the micropropagated plantlets is very difficult and survival rates very low. In the present research, we examined effects of ventilation at the shoot multiplication stage on growth and in vitro hardening of jojoba plantlets from 14 jojoba clones. Jojoba shoots multiplicated in ventilated boxes elongated much faster, developed more and bigger leaves, had higher biomass, and most important, produced more propagules than shoots grown in closed boxes with low ventilation. Water content of the ventilated propagules was lower, more crystalline wax was deposited on their leaf surfaces and the rate of water loss under ambient conditions was slower.

    Original languageEnglish
    Title of host publicationI International Symposium on Acclimatization and Establishment of Micropropagted Plants
    PublisherInternational Society for Horticultural Science
    Number of pages4
    ISBN (Print)9789066050082
    StatePublished - 1 Jan 2003

    Publication series

    NameActa Horticulturae
    ISSN (Print)0567-7572


    • Hyperhydricity
    • Multiplication rate
    • Vitrification
    • Water loss

    ASJC Scopus subject areas

    • Horticulture


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