A protocol for the in vitro establishment of two Sicilian genotypes of mulberry has been set up. Multiple shoots were initiated and plantlets were produced from buds collected from mature trees of Morus alba L. and Morus nigra L., grown in the field. The influence of two explanting times (September and December) of buds on the in vitro response has been observed. The percentage of sprouting aft...

Presence of pharmaceutically important alkaloids in various parts of the plant body made Rauvolfia serpentina an overexploited one and led to its inclusion in Red Data Book of India as an endangered species. Conventional propagation is beset with problems like poor seed viability, low seed germination rate and delayed rooting of cuttings. In vitro clonal propagation may therefore be beneficial ...

Rapid clonal propagation through in vitro techniques using cotyledonary node as an explant has been attempted in the high yielding, tikka-susceptible (ICG 11337, AK 1224, ICGS 44, JL 24) and tikka-immune (ICG 6284) varieties of Arachis hypogaea L. Cotyledonary nodes were excised from the 12–15 days-old axenic seedlings and cultured in the presence of various concentrations of N6 –benzylaminopur...

A method with high success frequency for propagation of avocado is described. Embryonic axes of mature avocado seeds from six Floridian cultivars were excised and cultured in Murashige and Skoog (MS) medium containing growth regulators. Two types of cytokinins were used: benzyladenine (BA) and thidiazuron (TDZ). Explants were incubated in the dark for 7-10 days to reduce browning, then transfer...

The expression of acrotony (i.e., the increasing size of comparable lateral shoots toward the apex of the main shoot) was similar among first-order shoots borne along previous-year leaders of young Picea glauca (Moench) Voss, Picea mariana (Mill.) B.S.P. and Picea rubens Sarg. trees. The position and nature (i.e., whether cones, second-order shoots or non-flushed buds) of lateral axes borne alo...

Basal shoots produced by Arbutus unedo L. after cutting at ground level vary in size and growth rate, and are classified accordingly as dominant or suppressed. The suppressed shoots eventually cease growth and die. In this study, we investigated the role of light and water in the competition among shoots of A. unedo. Dominant and suppressed shoots of A. unedo showed similar leaf water potential...

By the end of this year, when Germany crowns the 'word of the year', one of the strongest contenders to replace last year's 'Finanzkrise' (financial crisis) has to be the almost unpronounceable 'Abwrackprämie' or scrappage fee. Introduced with effect from 27 January under the original name of 'Umweltprämie' (environment reward) with a strictly limited budget, this scheme pays out 2,500 Euros to...

The purpose of this study was to develop a protocol for the micropropagation of Pinus taeda from juvenile material. Apical shoots and nodal segments were inoculated into MS, DCR or WV medium. After 90 days, the explants were transferred to WV5 medium supplemented or not with 6-benzyladenine (BA) (2.0 μM) in order to induce multiple shoot formation. For root induction, a medium composed of water...