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Effect of treatment with IBA on rooting of ornamental conifers


, : Effect of treatment with IBA on rooting of ornamental conifers. Acta Horticulturae (79): 63-77

Cuttings of Chamaecyparis, Juniperus, Thujopsis, Sequoia, Sequoiadendron, Thuja and Taxus spp. and cvs were taken at different times of year. They were given a basal dip in an IBA solution and inserted in a mixture of 60-70% peat and 40-30% perlite. The best rooting was obtained as follows: (1) For C. pisifera and C. lawsoniana cvs, cuttings taken in July and treated with 8000 p.p.m.

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Related references

Bilodeau G.; Rioux J.A.; Bigras F.J., 1988: Rooting of shoot cuttings of ornamental conifers taken at different times of the year. Hortscience 23(3 SECT 2): 738

Kwack, B.H.; Chung, H.J., 1980: The effect of NAA dip treatment on the rooting of softwood cuttings of various ornamental plant species in a vinyl moist chamber. A range of tests was performed on various ornamental shrubs to determine the best method of NAA (liquid or powder) application, the most suitable NAA concentration, and the best time of year for taking cuttings. Approximately 25 spp. were used, in...

Yamazaki, K.; Okabe, M.; Takahashi, E., 1982: Studies on the propagation of ornamental trees and shrubs using polyethylene film to cover the rooting bed. II. Effects of date of collecting cuttings and IBA treatment on rooting, and a study of suitable woody species for this system. Difficult-to-root species did best if the cuttings were taken when the leaves were just fully expanded. Cuttings of easily-rooted species could be taken in midsummer. Some narrow-leaved evergreens rooted more readily in March than in July. IBA tre...

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Simmons, L.J.; Bowen, K.L., 2002: Effect of fungicides on rooting of three ornamental species. Many ornamental species are asexually propagated under conditions of high humidity and temperature. Because these conditions are highly conducive to disease, fungicide applications are needed. However, some fungicides are known to inhibit rooting...

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Bogdanovic, M.; Manojlovic, G., 1981: Rooting of cuttings of ornamental shrubs on fly ash. 1. Direct rooting. Cuttings of 6 species were set out on deposited fly ash in the field in Yugoslavia in March 1980, after soaking them in 0.010-0.015% IAA or IBA, under a straw mulch. Best results after 1 growing season were obtained with Tamarix tetrandra treated...

Aswath, C.; Gowda, J.V.N., 1988: Role of rooting cofactors in rooting of ornamental climbers. Four root promoting cofactors were found in tissue extracts of Arrabidaea magnifica and Pyrostegia venusta; in particular cofactor-4 was found in abundance. In contrast, the extracts from Tecoma jasminoides [Pandorea jasminoides] showed 4 root inh...

Leocov, M.; Vidrascu, P.; Bilius, M., 1988: The effect of substrate on the rooting of some ornamental plant cuttings. Rooting trials with softwood and hardwood cuttings of Euonymus japonicus, Juniperus horizontalis, Syringa laciniata and Viburnum rhytidophyllum in 4 different substrates are briefly reported.

Tognoni F., 1970: The effect of chemical treatments on the rooting of ornamental cuttings. Proceedings of the International Horticultural Congress 1: 234