CUTTING PROPAGATION OF Pachira aquatica Aubl. AS INFLUENCED BY MEDIUM TYPE AND INDOLE-3-BUTYRIC ACID CONCENTRATION

Hamad, E. H.; Eisa, G.S.A.; Abdelkader, Mohamed

doi:10.21608/zjar.2017.53941

Cited by 4 publications

References 18 publications

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Modulating the Rhizosphere Medium and Indole − 3−butyric Acid Supply Influence Rooting, Nutrients and Biochemical Constituents and Histological Features of Pedilanthus tithymaloids

Abass,

Thabet,

Lasheen

et al. 2024

J Soil Sci Plant Nutr

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Pedilanthus tithymaloids is a popular temperate indoor succulent ornamental plant and is highly marketable. However, the appropriate propagation techniques should be adopted to solve the rooting issues of cuttings. Therefore, the present research was designed to specify the optimal indole − 3−butyric acid (IBA) concentration and rooting medium type for obtaining good rooting and healthy plants. Three IBA levels (0, 1.0, 2.0, and 3.0 g L− 1) and five growing mediums (sand, sand: clay, sand: peat moss, sand: perlite, and sand: vermiculite as 1:1, v/v) were used. The experiment was performed in a randomized complete block design in three replications. The obtained data illustrated that roots number per cutting and rooting percentage reached the maximum values by treating P. tithymaloids cuttings with 3.0 g L− 1 IBA x sand: perlite or sand: vermiculite medium. Cultivating the treated-IBA 3.0 g L− 1 cuttings of P. tithymaloids in sand: perlite showed the most enhancements in plant height, branches number and leaves number, leaf area and herb dry weight. However, the heaviest root dry weight was noticed with IBA 3.0 g L− 1 x sand: peat moss medium. Except sand medium, all other tested media in combination with IBA at 1.0, 2.0–3.0 g L− 1 showed remarkable stimulation effect on chlorophyll content. Sand: vermiculite mixture x IBA at 2.0 g L− 1 was the effective practice for improving carbohydrates percentage. By studying the anatomical changes of the adventitious root of P. tithymaloids plant, it was found that there was an increase in the root diameter, phloem and xylem tissues and xylem vessels diameter due to growing in sand: perlite x 3.0 g L− 1 IBA. In conclusion, dipping the cuttings bases of P. tithymaloids in 3.0 g L− 1 IBA and cultivation in sand: perlite considered the most effective combination practice for better rooting ability and growth and could be advisable for commercial production.

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Modulating the Rhizosphere Medium and Indole − 3−butyric Acid Supply Influence Rooting, Nutrients and Biochemical Constituents and Histological Features of Pedilanthus tithymaloids

Abass,

Thabet,

Lasheen

et al. 2024

J Soil Sci Plant Nutr

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Comparative root anatomy and root bud development in two species of Malvaceae

Santos,

Barbosa,

Ferro

et al. 2024

Rodriguésia

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Underground plant organs, usually the thickened ones, can be capable of producing buds that allow shoot regrowth when the aerial part of the plants is eliminated. Some plants have roots that produce buds, which may or may not be branched systems, but which allow vegetative propagation in unfavorable environments due the presence of carbohydrate reserves. This study aimed to analyze and compare the anatomy of the roots of two Brazilian species, Apeiba tibourbou and Pachira aquatica, that present starch grains, buds and the ability to propagate vegetatively. Material of both species was analyzed in loco, collected and compared through anatomical analysis using standardized methods. Tests for carbohydrate detection were also applied. Anatomical analyses showed that the roots produced endogenous buds, originating from pericycle cells in A. tibourbou and from parenchyma rays in P. aquatica. Both species presented starch as carbohydrate reserve. The results demonstrated not only the high potential of differentiation and specialization of plant cells, but also the diverse reproductive strategies adopted by these species of the family Malvaceae, whether they are associated with the environment or not.

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Comparative root anatomy and root bud development in two species of Malvaceae

Cury

Santos²,

Barbosa³

et al. 2022

Preprint

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Aims. Since underground plant organs, usually the thickened ones, are structures capable of producing buds that allow shoot regrowth when the aerial part of the plants is eliminated by human disturbances or fire episodes and some plants have roots that produce buds, which may or may not be branched systems, but which allow vegetative propagation in unfavorable environments, due the presence of carbohydrate of reserves tis study aimed to analyze the roots of two Brazilian species, Apeiba tibourbou and Pachira aquatica, which present starch grains, root buds and capacity to propagate vegetatively and to compare the anatomical structure of these gemiferous roots. Methods. The material of both species was analyzed in loco environment, collected and anatomical standardized methods were used to compare the species. Also tests for carbohydrate detection were made. Results. Anatomical analyses showed that these roots produce endogenous buds, originating from pericycle cells in A. tibourbou and from parenchyma rays in P. aquatica. Both species presented starch as carbohydrate reserve but with significance difference on the amount between them. Conclusions.The results demonstrated the diversity not only in relation to the high potential of differentiation and specialization of plant cells, but also in relation to the reproductive strategies adopted by these species, whether they are associated with the environment or not.

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CUTTING PROPAGATION OF Pachira aquatica Aubl. AS INFLUENCED BY MEDIUM TYPE AND INDOLE-3-BUTYRIC ACID CONCENTRATION

Cited by 4 publications

References 18 publications

Modulating the Rhizosphere Medium and Indole − 3−butyric Acid Supply Influence Rooting, Nutrients and Biochemical Constituents and Histological Features of Pedilanthus tithymaloids

Modulating the Rhizosphere Medium and Indole − 3−butyric Acid Supply Influence Rooting, Nutrients and Biochemical Constituents and Histological Features of Pedilanthus tithymaloids

Comparative root anatomy and root bud development in two species of Malvaceae

Comparative root anatomy and root bud development in two species of Malvaceae

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