New Zealand Journal of Crop and Horticultural Science abstracts
Effect of different growth regulators and genotype
on in vitro propagation of jojoba
B. E. LLORENTE
N. M. APÓSTOLO
Laboratorio de Cultivo de Tejidos Vegetales
Departamento de Ciencias Básicas
Universidad Nacional de Luján
C.C. 221 (6700) Luján
Buenos Aires, Argentina
Abstract Explants of jojoba (Simmondsia chinensis
(Link) Schn.) from randomly selected plants were propagated in
vitro. On modified Murashige-Skoog (MS) medium supplemented with 1 mg/litre
BA (N6-benzyl-adenine) there was a 4.6-fold increase in shoot
numbers at 30 days. After 15 days on modified MS medium supplemented with 3
mg/litre IBA (indolebutyric acid) c. 25% of the shoots had developed roots. The
best exflasking survival rate of the rooted plantlets (90%) was observed when
the plantlets were transferred to an organic mixture, Agrosoil(TM). Subsequent
growth rates in Agrosoil(TM) were higher than in other potting media tested. On
the other hand, the response of each clone was highly variable, some exhibiting
75% root formation at 60 days while others displayed little response.
Keywords clones; genotype; micropropagation; jojoba; plant
growth regulator; plant tissue culture; Simmondsia chinensis
H97-31
Received 18 July 1997; accepted 27 October 1997
Short communication
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