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Saturday, August 1, 2020 | History

2 edition of Effect of gibberellic acid on the distribution of products of photosynthesis in sunflowers found in the catalog.

Effect of gibberellic acid on the distribution of products of photosynthesis in sunflowers

Stanislaus Nnah Umoessien

Effect of gibberellic acid on the distribution of products of photosynthesis in sunflowers

by Stanislaus Nnah Umoessien

  • 387 Want to read
  • 1 Currently reading

Published in [Toronto] .
Written in

    Subjects:
  • Gibberellic acid.,
  • Photosynthesis,
  • Sunflowers.

  • Edition Notes

    ContributionsToronto, Ont. University.
    The Physical Object
    Pagination122 leaves,
    Number of Pages122
    ID Numbers
    Open LibraryOL18946209M

    Abstract. The effects of gibberellic acid on the longevity and elongation of variously aged, debladed petioles of Coleus blumei were studied, with particular reference to the hypotheses 1) that auxin increases longevity by increasing growth, and 2) that gibberellic acid acts by increasing the endogenous levels of auxin.. Gibberellic acid, substituted for the leaf blades, significantly Cited by:   Gibberellic acid (GA 3) plays an important role in many plant growth and development order to evaluate the effect of GA 3 on plant growth, return bloom, and fruit quality of rabbiteye blueberry, three representative cultivars (Powder blue, Garden blue, Climax) were treated by mg/L GA application of GA 3 dramatically increased return bloom for three by:

    Gibberellic acid was applied by spray applicator using ProGibb-SG TM (40% GA) and a surfactant (Contact), both from NuFarm Ltd. Gibberellic acid was applied at a higher rate than the manufacturers recommendation of 8 g GA/ha as a result of slower application speed than that used during sprayer calibration. The higher rate of 24 g GA/ha was. KEY WORDS: Helianthus annuus, H. petiolaris, seed germination, dormancy, gibberellic acid (GA3). Native, wild sunflowers (Helianthus spp.) are known to be difficult to germinate (Seiler, ). Recently, Adams and TeBeest () reported on various stratification treatment effects on germination of Helianthus petiolaris. We found a moderate.

    Salt decreases gibberellic acid (GA3) content in rice. Nevertheless, GA3 may exert a beneficial effect on salt-stressed rice. In our analysis, GA3 reduced NaCl-induced growth inhibition in rice (Oryza sativa L. cv. Nipponbare) in a concentration-dependent manner, including the length of root tissue. However, remains unclear. We employed a comparative proteomic analysis to elucidate the Cited by: measuring the effects of gibberellic acid on the plant weight and leaf size, comparing the number of pea pods produced by dwarf, tall, and gibberellic acid-treated peas, or studying the effects of gibberellic acid on other species of plants. Another investigation could involve treating a set of tall pea plants with gibberellic acid to see.


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Effect of gibberellic acid on the distribution of products of photosynthesis in sunflowers by Stanislaus Nnah Umoessien Download PDF EPUB FB2

Journals & Books; Register Sign in Sign inCited by: To investigate the effects of gibberellic acid (GA) on photosynthesis, nutrient partitioning and endogenous hormones at different leaf locations (1 and 6), Camellia oleifera was treated with four.

The effects of root applications of gibberellic acid (GA 3) on growth and photosynthesis of 12 species of plants including C 3 monocots (Triticum aestivum L., wheat, Hordeum vulgare L., barley and Avena sativa L., oat), C 3 dicots (Vigna radiata L., mung bean, Cucurbita moschata L., squash and Capsicum annuum L., pepper), C 4 monocots (Zea mays L., Cited by: 8.

Stimulatory Effect of gibberellic acid and benzyladenine on Growth and Photosynthetic pigments of Ficus benjamina L. Plants. Stimulation effect of gibberellic acid short-term treatment on leaf photosynthesis related to the increase in Rubisco content in broad bean and soybean. Lin Yuan 1 &Cited by: The Effect of Gibberellic Acid on Photorespiration in Dwarf and Normal been suggested that this decrease in CO 2 release in the light induced by GA 3 may account for recorded increases in net photosynthesis when plants are treated with GA 3 and that this phytohormone may be involved in a CO 2 Applications of Gibberellic acid (GlA3) to a Cited by: 2.

The effect of light quality and gibberellic acid (GA 3) on photosynthesis and respiration rates of pea seedlings. Romanowska 1,Cited by: 3. Effects of gibberellic acid and prohexadione-calcium on growth, chlorophyll fluorescence and quality of okra plant.

The experiment was conducted to identify the response of three cultivars of okra [Abelmoschus esculentus (L.) Moench] to exogenous hormones [gibberellic acid-(GA3) and prohexadione-Ca] applied as foliar spray.

Effect of gibberellic acid (GA3) on seed germination and growth of tomato (solanum lycopersicum L.) Article (PDF Available) in Acta horticulturae () March with 5, Reads. Gibberellic acid (GA), a plant hormone stimulating plant growth and development, is a tetracyclic di-terpenoid compound.

GAs stimulate seed germination, trigger transitions from meristem to shoot growth, juvenile to adult leaf stage, vegetative to flowering, determines sex expression and grain development along with an interaction of different environmental factors viz., light, temperature Cited by: Physiological Effect # 1.

Seed Germination: Certain light sensitive seeds e.g., lettuce and tobacco show poor germination in dark. Germination starts vigorously if these seeds are exposed to light or red light.

This requirement of light is overcome if the seeds are treated with gibberellic acid in dark. Physiological Effect # 2. Dormancy of Buds. Gibberellic acid is an important growth regulator that may have many uses to modify the growth, yield and yield contributing characters of plant (Rafeekher et al., ).

Keeping these things, the present investigations to find out the effect of gibberellic acid on growth quality and yield of. This study was conducted to evaluate the effects of root applications of gibberellic acid (GA 3) on photosynthesis in tomato plants grown hydroponically.

Photosynthetic rates (mg CO 2 /dm 2 /hr) determined using an open infrared CO 2 gas exchange system showed a 40–50% increase within 5 hr after treatment with a µ M gibberellic acid (GA 3) to their by: Journal of Ornamental Plants, Volume 6, Number 1:March, 1 Gibberellic Acid (GA 3) and Benzyl Adenine (BA) Effects on the Vase Life of Cycad’s Cut Foliage Keywords: Carotenoid, Chlorophyll, Cycad, Treatments, Water loss.

Maliheh Abshahi 1*, Hossein Zarei 2, Azim Ghasemnezhad 3 and Mahnaz Aghdasi 4 1 Graduated of Horticulture, Gorgan University of Agricultural Sciences and. Effects of Gibberellic Acid (GA 3) on Sprouting and Quality of Potato Seed Tubers in Diffused Light and Pit Storage Conditions: Solomon I.

Shibairo, Paul Demo, Jackson N. Kabira, Peter Gildemacher, Esther Gachango, Mwalimu Menza, Richard O. Nyankanga, George N. of production ris, and can be sprayed gibberellic acid equipped on specific types of plants to increase their growth.

When gibberellic acid sprayed on the plant, has physiological effects on plant growth and its role in the process of photosynthesis, and activate other vital activities that done in parts of the plant cell inFile Size: KB. The present investigation was conducted to study the effect of gibberellic acid and plant geometry on growth, flowering and corm production in gladiolus cv.

'Novalux' under Jammu conditions. Effect of gibberellic acid on stomatal diffusive resistance and photosynthesis in waterlogged peanut plants. Abstract. Plants of peanut (Arachis hypogaea L.) were subjected to 7-d and d waterlogging and sprayed with 10 and mg 1 -1 of gibberellic acid (GA 3).Cited by: 5.

Effect of different times and concentrations of Gibberellic acid on growth and yield before transplantation and in control plot sprayed at the time of fruit set, respectively (Table 1). The reason is that gibberellic acid increased the clusters of flower and number of fruit set per plant.

Fruit drop per plant: Comparing the means of concentrations. The combined effects of salt stress and gibberellic acid (GA 3) on plant growth and nutritional status of maize (Zea mays L.

cv., DK F1) were studied in a pot experiment. Treatments were (1) control (C): nutrient solution alone, (2) salt stress (S): mM NaCl, (3) S + GA1: mM NaCl and 50 ppm GA 3 and (4) S + GA2: mM NaCl and ppm GA by:.

The results of organ excision and the exogenous application of indole acetic acid and gibberellic acid indicated that gibberellin synthesis occurred in the young leaves of the apical bud. This was substantiated using a combination of diffusion and extraction by: Gibberellic acid (GA 3) has often known to affect stomatal movement; however, the physiological role of GA 3 in stomatal guard cells has not been defined.

In this study, we show that abscisic acid (ABA) is regulated by gibberellic acid via a mechanism opposing that of the ABA-induced inhibition of stomatal opening in response to light in Arabidopsis by: 4. The Effects of Gibberellic Acid on Plants.

The gibberellins in gibberellic acid are plant hormones that stimulate plant growth. In diluted form, it's safe to use, the EPA has found, though avoid contact with eyes, never inhale it and always use gloves when handling it.