Effect of Different Ratios Nano-Fertilizer and Gibberellic Acid on the Vegetative Growth and Chemical Compositions of Codiaeum Variegatum (L.) cv. Gold Dust

2020 ◽  
Vol 9 (1) ◽  
pp. 31-44
Author(s):  
Mostafa Zaghloul Mohamed A. Elsadek
Keyword(s):  
Gibberellic Acid ◽  
Vegetative Growth ◽  
Chemical Compositions ◽  
Codiaeum Variegatum

scholarly journals Foliar spray of gibberellic acid influences morphological attributes and foliage yield of coriander (Coriandrum sativum L.)

2018 ◽  
Vol 5 (1) ◽  
pp. 1-9
Author(s):  
Dhiman Das ◽  
Asim Kumar Bhadra ◽  
Mohd Moniruzzaman
Keyword(s):  
Gibberellic Acid ◽  
Vegetative Growth ◽  
Leaf Length ◽  
Distilled Water ◽  
Water Spray ◽  
Single Plant ◽  
Plant Weight ◽  
Morphological Attributes ◽  
Number Of Leaves ◽  
Different Doses

A field experiment was conducted at the research field of Sher-e- Bangla Agricultural University, Dhaka during the period from December 1, 2016 to January 11, 2017 to investigate the effect of gibberellic acid (GA3) on vegetative growth, morphological attributes and foliage (leaf) yield of coriander (Coriandrum sativum L.). The experimental treatments consisted of eight different doses of GA3 viz., 0 (distilled water spray), 5, 10, 15, 20, 25, 30 and 35 ppm. The variety Rosina (Pahuja Co., India) was used as planting material and different doses of GA3 were applied on the plants at 25 and 30 days after sowing. The experiment was laid out in Randomized Complete Block Design with three replications. GA3 had significant effect on vegetative growth, morphology, foliage yield and yield contributing characters of coriander. Plant height, number of leaves plant-1, leaf length, plant spread and single plant weight were found maximum from the application of GA3 at 20 ppm, which was closely followed by 25 ppm GA3. Application of GA3 at 20 ppm produced the highest weight of foliage m-2. A strong positive correlation of foliage yield was observed with plant height, number of leaves plant-1, leaf length, plant spread, single plant weight and weight of foliage m-2. Application of GA3 at 20 ppm gave maximum foliage yield (9.34 t ha-1) which was followed by GA3 at 15 ppm (8.46 t ha-1) and 25 ppm (8.06 t ha-1), and the minimum foliage yield was recorded from control (distilled water spray) (4.90 t ha-1). Application of GA3 at 20 ppm increased foliage yield over control by 47.54 %. A quadratic relationship between applied GA3 concentration and foliage yield was found; the regression equation was y = 4.87 + 0.375x – 0.009x2 from which it came up to be optimum dose of GA3 as 20.83 ppm.Res. Agric., Livest. Fish.5(1): 1-9, April 2018

THE ROLE OF GIBBERELLIC ACID AND GIBBERELLIN-LIKE SUBSTANCES IN THE DORMANCY OF THE CRANBERRY

1972 ◽  
Vol 52 (3) ◽  
pp. 263-271 ◽  
Author(s):  
F. C. EADY ◽  
G. W. EATON
Keyword(s):  
Gibberellic Acid ◽  
Vegetative Growth ◽  
Vaccinium Macrocarpon ◽  
Flower Bud ◽  
Bud Development ◽  
Terminal Buds ◽  
Flower Bud Development

The role of applied gibberellic acid (GA3) and endogenous gibberellins in the dormancy requirement of the cranberry Vaccinium macrocarpon Ait. cult McFarlin was investigated. Application of GA3 to unchilled dormant plants resulted in only vegetative growth of the terminal buds. Extraction and bioassay of gibberellin-like substances from both terminal buds and leaves during the 1969–70 season indicate a translocation of these substances from leaves to terminal buds between March 9 and April 6. This coincided with the time of elongation of the terminal buds in the field. The timing of this translocation suggests that these gibberellin-like substances do not play an important role in flower-bud development at this stage.

scholarly journals EFFECT OF GROWTH REGULATORS AND TRACE ELEMENTS ON THE VEGETATIVE GROWTH OF PLEUROTUS SAPIDUS QUÉL.

2016 ◽  
Vol 8 (11) ◽  
pp. 283
Author(s):  
Balwinder Kaur ◽  
Narender Singh Atri
Keyword(s):  
Trace Elements ◽  
Gibberellic Acid ◽  
Growth Regulators ◽  
Vegetative Growth ◽  
Basal Medium ◽  
Grevillea Robusta ◽  
Potato Dextrose Agar Medium ◽  
Carbon And Nitrogen ◽  
Pleurotus Sapidus ◽  
The Comparative Study

Objective: The present study was undertaken to investigate the effect of biochemical sources viz., growth regulators and trace elements on the vegetative growth of Pleurotus sapidus Quél. It has a great commercial potential being an edible and wood decaying fungus. Mushrooms need carbon and nitrogen for structural and functional purposes in addition to trace elements, growth regulators and vitamins. Therefore, evaluation of their role in influencing the growth of the mushroom is a necessary aspect to be studied.Methods: Fresh sporocarps of P. sapidus were collected from rotten stumps of Grevillea robusta A. Cunn. ex R. Br and its pure culture was raised on Potato Dextrose Agar medium. The malt broth liquid medium at 28±1 °C was used as a basal medium for investigating the role of growth regulators (gibberellic acid, indole-3-acetic acid, indole-3-butyric acid and kinetin) and trace elements (manganese, iron, molybdenum, boron and zinc). Different concentrations of growth regulators and salts with trace elements were added to separate medium flask to compare the growth.Results: The comparative study of various concentrations of growth regulators and trace elements has shown that the cultures supplemented with 5 ppm gibberellic acid and 5 ppm boron, respectively gave maximum mycelial growth of P. sapidus.Conclusion: The vegetative growth of P. sapidus can be enhanced by adding gibberellic acid and boron in the basal medium.

scholarly journals Gibberellic Acid Effect on Growth and Flowering of Ajania Pacifica /Nakai/ Bremer et Humphries

2013 ◽  
Vol 21 (1) ◽  
pp. 21-27 ◽  
Author(s):  
Małgorzata Zalewska ◽  
Małgorzata Antkowiak
Keyword(s):  
Gibberellic Acid ◽  
Vegetative Growth ◽  
Distilled Water ◽  
Water Control ◽  
Cultivation Time ◽  
Short Day ◽  
Long Day ◽  
Acid Effect ◽  
Ornamental Species ◽  
Effect On Growth

Abstract The research addressed the effect of gibberellic acid (GA3) on growth and flowering of Ajania pacifica /Nakai/ Bremer et Humphries ‘Bea’. The vegetative growth lasted for 8 weeks in glasshouse, under natural long day and from August 15 - under natural short day. The plants were divided into four groups: 1 - the plants sprayed with distilled water (control combination); 2, 3 and 4 - the plants sprayed with GA3 ones, twice and thrice, respectively, starting from the 5th week of growth, and then in the 6th and 7th week, successively. Each of the group was divided into two subgroups: the first one treated with GA3 at concentration of 250 mg·dm-3 and the second with 500 mg·dm-3. It was observed that double spraying with GA3 accelerated the buds development of Ajania pacifica, thus shortened the cultivation time by about two days. Treatment with GA3 at concentration 500 mg·dm-3 stimulated the elongation of shoots more than treatment with GA3 at 250 mg·dm-3. The plants sprayed twice were longer than the control and then those sprayed one time. However, elongation of shoots was not remarkable; corymbs were shorter, narrower, and contained lesser number of inflorescences. The present study indicates the specificity of the response of Ajania pacifica to GA3 treatment, which appears to be different from other ornamental species.

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