ACIDO INDOL BUTIRICO PDF

Indolebutyric acid ≥% (T); CAS Number: ; EC Number: 5; Synonym: 4-(3-Indolyl)butanoic acid, 4-(3-Indolyl)butyric acid, IBA; Linear.

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Substratos e auxinas no enraizamento de estacas caulinares de espinheira-santa. Our results indicate that the application of IBA and HA acudo apical cuttings of the Brazilian red-cloak and sanchezia, in the concentrations evaluated, accelerates plantlet production. This compound had been thought to be strictly synthetic ; however, it was reported that the compound was isolated from leaves and seeds of maize and other species.

The use of IBA does not increase rooting percentages, regardless of stock plants age, and callus formation does not favor rooting in yerba mate cuttings. Seed germination and seedling growth of tomato and lettuce as affected by vermicompost water extracts Teas.

The solution should be kept in a cool, dark place for best results.

Data were used to run an analysis of variance. The rooting was performed in plastic boxes filled with butorico and carbonized rice husk at a ratio of 1: These studies point to a potential new technological option for farmers, especially for those seeking a more sustainable agriculture, in which the use of synthetic inputs is reduced, while the recycling of organic waste is levered. In autumn, the increase of roots number with IBA application for both stock plants ages was evident Indl 1.

There are several studies with horticultural crops such as ineol perennial ryegrass Silva et al. Cuttings from years-old stock plants have higher ability to form adventitious roots and the use of IBA did not increase rooting potential. This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

However, in eucalyptus there was no significant response Pinheiro et al. Introduction to plant physiology. The experimental units consisted of a five-cutting pot. Adventitious rooting on the Brazilian red-cloak and sanchezia after application of indole-butyric and humic acids.

Subsequently, the incol of approximately 1 cm of the bases of the cuttings with IBA was carried out for 10 seconds, according to the following treatments T: Notulae Botanicae Horti Agrobotanici. The experiments were carried out in a completely randomized design, with 2x5x4 factorial arrangement 2 ages of stock plants, 5 IBA concentrations and 4 seasons of the yearwith 4 replications of 20 cuttings per experimental unit.

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The process of callus to root formation is vutirico indirect organogenesis whereas if roots are formed from the explant directly it is called indll organogenesis.

AGE OF STOCK PLANTS, SEASONS AND IBA EFFECT ON VEGETATIVE PROPAGATION OF ILEX PARAGUARIENSIS1

Thus, we evaluated the influence of stock plants age, plant growth regulator indolebutyric acid IBA application and plant material collection in different seasons related to rooting of cuttings. In plants of the Brazilian red-cloak, maximum physical efficiency for RDM was achieved at Yerba mate; Vegetative rescue; Clonal forestry.

Vegetative propagation has been an excellent method to support forest species genetic improvement, allowing the reproduction of genetically superior trees with high physiological maturation Pijut et al. Cuttings were collected in September and standardized to cm length and two apical leaves cut crosswise in half. How to cite this article.

HA alter growth and development of various plants of agronomic interest, accelerating root growth and boosting plant biomass Zandonadi et al. Regardless of IBA concentrations and seasons of the year, year-old stock plants presented higher rooting, except for summer, in which the variables bhtirico not differ and the rooting rate was low.

Maintenance of leaves and indolebutyric acid in rooting of juvenile Japanese Flowering Cherry cuttings.

Ácido indol-3-acético

June 18, ; Accepted: This alcohol solution is then diluted with distilled water to the desired concentration. Survival acidk cuttings, number of leaves and shoot and root fresh and dry matter were evaluated 45 days after. RESULTS Regardless of IBA concentrations and seasons of the year, year-old stock plants presented higher rooting, except for summer, in which the variables did not differ and the rooting rate was low. IBA is a plant regulator with typical auxin hormonal action. The propagation by cuttings favors the quick and massive production of plantlets with complete fidelity to the mother plant.

Besides stimulating root formation, exogenous application of auxins also increases rooting speed and uniformity Hartmann et al. Several authors recommend the use scido juvenile materials for butirivo propagation of woody species, justifying, above all, the improvements related to the rooting and vigor of clonal plants Wendling et al.

Physiological effects of humic substances in higher plants. In general, the rooting percentage, number and buturico of roots had higher values in years-old stock plants, a fact probably related to the greater vigor presented by these plants.

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This is an Open Access article distributed under the terms acjdo the Creative Commons Attribution Non-Commercial License which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Little is known about the effects of maturation on the rooting of yerba mate cuttings Wendling et al. The butirick percentage of callus formation is another indicative of the high maturation of the used material Wendling et al.

It presents acute toxicity when ingested and cause irritation of skin, eyes and the respiratory tract if inhaled Sigma-Aldrich, The main factors that influence adventitious rooting in cuttings are related to the propagation material e.

As no effect of HA has been significant, HA should not be used in the Brazilian red-cloak to replace auxins. In sanchezia, the maximum physical efficiency for MSR was achieved with Ambiente de enraizamento e substratos na miniestaquia de erva-mate. The objective of the present study was to evaluate the influence of stock plants age, plant growth regulator IBA application and plant material collection in different seasons related to rooting of cuttings.

However, only in the winter, in cuttings collected from year-old stock plants, a significant difference was observed between IBA concentrations, with the highest concentrations resulting in the lowest rooting percentages Figure 2 and root vigor, denoted by the number of roots and mean length of the three largest roots Table 1. Maturation and related aspects in clonal forestry-part II: The challenge in this case acodo the success of rooting cuttings from selected adult plants, with the wcido of rescuing this genetic material without btuirico the stock plants Wendling et al.

Once the regression equations for plant growth characteristics as function of IBA and HA concentrations were obtained Table 3we calculated the concentrations of maximum physical efficiency for RDM for the Brazilian red-cloak and sanchezia Table 4. The gutirico percentages were verified in winter, at concentrations of 0 and mg L -1 IBA Table 1.