New Zealand Journal of Crop and Horticultural Science abstracts

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Short communication 

Methods to improve the in vitro culture of GF677 (peach x almond) peach rootstock

C. Tsipouridis
T. Thomidis

Pomology Institute
Naoussa, P. C. 59200
Greece
email: thomi-1@otenet.gr

Abstract  In this study, the effect of exogenous application of gibberellic acid (GA₃) and the presence of both leaves and petioles on sprouting of the rosetting plantlets of GF677 (peach x almond hybrid) was examined. GA₃ caused a significant increase in sprouting of rosetting plantlets at application rates of 12.5 and 50 mg litre^-1. The results showed that rosetting plantlets without leaves and petioles, or with only one petiole, sprouted significantly better compared with those with one-quarter of leaf, all petioles, or all petioles and leaves. In addition, Mg + Zn + B (trace) in Murashige & Skoog medium significantly increased the fresh weight and water content of plantlets.

Keywords  propagation; plantlet; rooting; rosetting; sprouting

H03018 Received 27 February 2003; accepted 24 June 2003; Online publication date 3 November 2003
New Zealand Journal of Crop and Horticultural Science, 2003, Vol. 31: 361-364
0014-0671/03/3104-0361 $7.00 © The Royal Society of New Zealand 2003

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