FOLIAR APPLICATION OF SALICYLIC ACID AND GIBBERELLIC ACID ENHANCES GROWTH AND FLOWERING OF Ixora coccinea L. PLANTS

Gad, M. M.; Abdul-Hafeez, Essam Y.; Ibrahim, Omer H. M.

doi:10.21608/jpp.2016.43477

Cited by 11 publications

(10 citation statements)

References 17 publications

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“…These increases of flower buds/ plant ultimately increased number of flowers/plot as well as total flower yield/ha. Similar results were also reported by Gad et al (2016) in Ixora plant.…”

Section: Effect Of Spacing Doses Of Vermicompost and Foliar Applicatsupporting

confidence: 91%

Haldina cordifolia (Roxb.) Ridsdale - A Promising Tree for Domestication

Warrier¹

2019

IJAEB

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A field experiment was conducted during the year 2018-2019 to study the effect of spacing (50×50, 50×60 and 50×75), dose of vermi-compost (0, 5.0 and 10.0 ton/ha) and foliar application of salicylic acid (0, 100 and 200 ppm) on the growth, flowering and soil health of chrysanthemum. The experiment was laid out in a factorial randomized block design with twenty seven treatments and three replications. Significant improvement in growth and flowering characters was recorded with closer spacing (50×50 cm) except plant spread, number of flowers/plant, weight of individual flower, diameter of flower, shelf life and stalk length while, plants grown at wider spacing had maximum available NPK in post harvested soil. Gradual increases doses of vermicompost for 0 to 10.0 ton/ha significantly improved plant growth, flowering and yield attributing traits alongwith higher availability of NPK in post harvested soil. Among the foliar spray of salicylic acid, salicylic acid (100 ppm) significantly produced good plant growth and flower yield except induced early flowering and 50% flowering however, control showed maximum availability of NPK in post-harvested soil. Among the combined combinations, maximum flower yield/plant was recorded with treatment combination T 26 (S 3 +VC 2 +SA 1) and treatment combination T 8 (S 1 +VC 2 +SA 1) resulted in maximum flower yield/plot and flower yield/ha during course of study. Highlights m The closer spacing showed (50×50 cm) gave maximum plant height and flowering yield/ha while wider spacing (50×75 cm) resulted in maximum plant spread, number of flowers/plant, weight of individual flower, diameter of flower, shelf-life and stalk length. m Gradual increases doses of vermicopost had maximum plant growth, flower yield and higher availability of NPK in post-harvested soil. m An application of salicylic acid @ (100 ppm) significantly produced good plant growth and higher flower yield except induced early flowering and 50% flowering however, control showed maximum availability of NPK in post-harvested soil. m Combined effect of different treatments, maximum flower yield/plant (162.39 g) was recorded with treatment combination T 26 (S 3 +VC 2 +SA 1). However, treatment combination T 8 (S 1 +VC 2 +SA 1) resulted in maximum flower yield/plot (4.87 kg) and flower yield (3.79 ton/ha).

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“…These increases of flower buds/ plant ultimately increased number of flowers/plot as well as total flower yield/ha. Similar results were also reported by Gad et al (2016) in Ixora plant.…”

Section: Effect Of Spacing Doses Of Vermicompost and Foliar Applicatsupporting

confidence: 91%

Haldina cordifolia (Roxb.) Ridsdale - A Promising Tree for Domestication

Warrier¹

2019

IJAEB

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“…In addition, gibberellins effect on other developmental responses such as dormancy, sex expression, leaf and fruit senescence, root and fruit growth and development of seeds in the fruit (Plackett and Wilson, 2016;Satish and Manju, 2018). The beneficial effect of GA 3 on different indoor plants had been reported by prior research who concluded that GA 3 induced flowering (Huang et al, 2015;Gad et al, 2016) promoted plant height, leaf area, number of leaves, stem diameter, fresh and dry weights, relative growth rate as well as increased the contents of total chlorophylls, total carbohydrates, and macronutrients (Mazher et al, 2014;Hananfy et al, 2019).…”

Section: Introductionmentioning

confidence: 65%

Combined effects of NPK fertilizer with foliar application of benzyladenine or gibberellic acid on Dracaena marginata ‘Bicolor’ grown in different potting media

2020

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A pot experiments was carried out to evaluate the influence of growing media and combined treatments of NPK with either benzyladenine or gibberellic acid on growth, chemical constituents and anatomical structure of Dracaena marginata ‘Bicolor’. The plants were grown in two growing media; peat-moss, peat-moss+ sand (1:1, v v-1), received monthly NPK fertilizers (2 and 4 g pot-1) combined with either of benzyl adenine (BA) at 100 and 150 ppm or gibberellic acid (GA3) at 150 and 250 ppm, while the control plants received no treatments. As general, the results indicated that, peat- moss was superior to peat-moss+ sand medium on increasing most of vegetative growth parameters in terms of plant height, number of leaves/plant, leaf area, root length, as well as fresh and dry weights of leaves, stems and roots/plant, besides some macro elements represented in N, P, K, Ca and Mg% in both leaves and stems. While plants grown in peat-moss+ sand possessed significantly higher contents of total chlorophylls, total carbohydrates, Cu, Fe, Mn, Zn and B than those grown in peat- moss alone. Plants received combined NPK with either BA or GA3 resulted in significant increases in most of morphological and chemicals content over the control plants and it was outstanding that, GA3 was more effective than BA when they were combined with NPK. It can be concluded that for the highest quality, quantity growth and economic production of Dracaena marginata ‘Bicolor’, the plants could be grown in a medium of peat-moss and supplied monthly with NPK fertilizer at 2 g plant-1 along with foliar sprayed with 250 ppm GA3.

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“…However, we observed genotypic variability between the varieties under GA 3 treated and nontreated conditions. Application of GA 3 produced the highest fresh weight in V. radiata (Baliah et al, 2018), pea (Lazlo, 1974), and Ixora coccinea (Gad et al, 2016). Most favorable effect on the characteristic of root length was highlighted by respective treatments of 10 ppm GA 3 as seed priming of V. radiata, and treating of V. radiata seeds with GA 3 caused an increase of the root length up to 2.60% (5 ppm of GA 3 ) and the root fresh weight up to 4.35% (10 ppm of GA 3 ) was evidenced over control (Kundu et al, 2017).…”

Section: Root Fresh Weightmentioning

confidence: 99%

Responses of Water and Pigments Status, Dry Matter Partitioning, Seed Production, and Traits of Yield and Quality to Foliar Application of GA3 in Mungbean (Vigna radiata L.)

et al. 2021

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This study evaluated the role of gibberellic acid [GA3; (0, 100, 200, and 300 ppm)] in modulation of the growth, physiology, yield, and quality traits in two varieties (BARI Mung-6 and BARI Mung-8) of mungbean (Vigna radiata L.). Irrespective of the two varieties (BARI Mung-6 and BARI Mung-8), 100, 200, and 300 ppm of GA3 differentially modulated the tested parameters (relative water content, RWC; photosynthetic pigments: chlorophyll a, chlorophyll b, and carotenoids; growth parameters: fresh and dry weights of leaves, petioles, stems, and roots; yield contributing traits such as plant height, number of pods plant−1, number of grains pod−1, pod length, and 100-grain weight; quality traits such as grain nitrogen and protein). However, compared to the lowest GA3 (100 ppm) and the highest GA3 (300 ppm), the moderate concentration of GA3 (200 ppm) led to highest values of leaf-RWC, where this parameter exhibited 16.1 and 13.4% increase in BARI Mung-8 and BARI Mung-6, respectively. Similarly, the tested herein growth parameters and the yield traits significantly increased up to the foliar application of the moderate GA3 concentration (200 ppm), and thereafter these traits decreased with 300 ppm GA3. The 200 ppm-led changes in the growth and yield traits were significantly higher in BARI Mung-8 when compared to BARI Mung-6. Considering the quality traits, GA3 positively influenced the nitrogen and protein content in grains, where 200 ppm of GA3 led to increases of 25.2% in N, and 17.7% in protein over control in BARI Mung-6; whereas, BARI Mung-8 exhibited 28.3% in N, and 18.3% in protein with 200 ppm GA3 over control. Overall, BARI Mung-8 significantly responded to the foliar supply of 200 ppm GA3 when compared to BARI Mung-6. Hence, in order to high yield and grain protein content, the application of 200 ppm GA3 may be applied in V. radiata before and during flowering. The major mechanisms underlying the responses of the water relation, growth, and yield traits to the GA3 concentrations need to be explored.

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FOLIAR APPLICATION OF SALICYLIC ACID AND GIBBERELLIC ACID ENHANCES GROWTH AND FLOWERING OF Ixora coccinea L. PLANTS

Cited by 11 publications

References 17 publications

Haldina cordifolia (Roxb.) Ridsdale - A Promising Tree for Domestication

Haldina cordifolia (Roxb.) Ridsdale - A Promising Tree for Domestication

Combined effects of NPK fertilizer with foliar application of benzyladenine or gibberellic acid on Dracaena marginata ‘Bicolor’ grown in different potting media

Responses of Water and Pigments Status, Dry Matter Partitioning, Seed Production, and Traits of Yield and Quality to Foliar Application of GA3 in Mungbean (Vigna radiata L.)

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