Year 2013, Volume 59 Issue 2

Year : 2013
Volume : 59
Issue : 2
   
Authors : Alfred O. ONEFELI and A.O. AKINYELE
Title : EFFECT OF HORMONE AND NODAL POSITIONS ON STEM CUTTINGS OF P. ANGOLENSIS WELW. AND Z. XANTHOXYLOIDES LAM
Abstract : This study examined the effect of hormone and nodal position on stem cuttings of P. angolensis Welw. and Z. xanthoxyloides Lam. Forty eight (48) cuttings were collected from each of the three nodal positions (i.e. upper, middle and basal) on the selected mother trees for the study. The leaves of the cuttings were reduced to half of the original sizes and then treated with Indole butyric acid (IBA) hormone, prepared into four different concentrations (0ppm, 1000ppm, 2000ppm and 3000ppm). The cuttings were set in sterilized river sand and replicated two times with 12 cuttings per replicate, and arranged in a 3x4 factorial experiment in completely randomized design (CRD) under a high humidity propagator. Aggregately, there were two hundred and eighty eight (288) cuttings per tree species. The cuttings were monitored for a period of twelve weeks to determine their percentage callusing, percentage rooting, number of root per cutting and length of root per cutting. Data obtained were analyzed with Analysis of variance (ANOVA) and Duncan’s Multiple Range Test (DMRT). None of the cuttings from the two species rooted, but 89.6 % and 89.9% of P. angolensis and Z. xanthoxyloides cuttings respectively treated with 3000ppm had the best percentage callusing. Effect of hormone concentration on callusing was significant (p<0.05) while that of nodal position was not significant (p>0.05) but cuttings obtained from the upper nodes of the two species proved to callus better than the middle and the basal nodes cuttings. Further research is recommended for macropropagation of P. angolensis, and Z. xanthoxyloides with higher concentration of hormone.
For citation : Alfred O. ONEFELI and A.O. AKINYELE (2013): EFFECT OF HORMONE AND NODAL POSITIONS ON STEM CUTTINGS OF P. ANGOLENSIS WELW. AND Z. XANTHOXYLOIDES LAM. Agriculture & Forestry, Vol. 59. Issue 2: 127-135, 2013, Podgorica. ISSN 0554-5579 (Printed), ISSN 1800-9492 (Online).
Keywords : Macropropagation, Stem cuttings, Indole butyric acid, Pycnanthus angolensis, Zanthoxylum xanthoxyloides
   
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