Combined effect of GA3 and NAA produced the maximum plant succession percentage (100), plant height (71.33 cm), number of leaves plant-1(36.89) and plant diameter at 67 DAT from the treatment G2N2 that means at treatment T5. The research on the effect of plant growth regulators on algae lags far behind work with other terrestrial plants. Result showed that 50 ... Effect of plant growth regulators on percent fruit drop per panicle at different stages of fruit growth in Dashehri mango was studied by Ahmed et … Various concentrations (0.05-0.5mgL-1) of NAA were added to the MS medium, 1/2-strength and 1/4-strength MS medium to … The effect of exogenously applied natural [indole-3-acetic acid (IAA), phenylacetic acid (PAA), indole-3-butyric acid (IBA)] and synthetic [1-naphthaleneacetic acid (NAA)] auxins on the growth and metabolism of green microalga Chlorella vulgaris was examined. Exogenous auxins acted in a concentration-dependent manner on algal growth. It is also used for plant tissue culture.. Hormones are produced naturally by plants, while plant growth regulators are applied to plants by humans. In general, when ever NAA and BAP were in balance (i.e. Among the growth regulators GA 3 and NAA exhibited beneficial effect in several crops including cauliflower. It is important to understand how these factors affect plant growth and development. Effect of foliar spray of plant growth regulators viz., Gibberellic acid (GA3) and Naphthalene Acetic Acid (NAA) on vegetative, flowering, quality and yield parameters of three carnation varieties under naturally ventilated poly house in Allahabad agroclimatic condition was investigated. Raoofi et al. paniculata shoot cuttings. NAA/BAP ≈ 1), callus growth was enhanced. ADVERTISEMENTS: In this article we will discuss about Indole-3-Acetic Acid (IAA) and Auxin in Plants. treated with 50 or 100 mg IBA per litre or the mixture of IBA+NAA was detrimental to 150 mg per litre reached 83 to 90 per cent the rooting of grape vine cuttings. Effects of different plant growth regulators on root formation The plant growth regulator NAA was used to promote root formation. Petkova S, Popova N, Angelova Y, Stefanov B, Iliev L, Popov M. Inhibitory effect of some plant growth regulators and chlorosulfuron on growth, protein composition and proteolytic activity of maize seedlings. Plant hormones and growth regulators are chemicals that affect: Flowering. Micropropagation of Aloe barbadensis Mill. CCC and GA application gave quite beneficial effects on these parameters. The higher concentrations of NAA inhibit growth and exert toxic effects on the plants so, optimum concentrations are required for find out to beneficial effects of NAA. This paper concerns the studies towards membrane-damage effect of two auxins: indole-3-acetic acid - IAA and 1-naphthaleneacetic acid - NAA on plant (Arabidopsis thaliana) and animal (rat liver) model membranes. Different roles and effects of plant hormones, also known as growth regulators, was investigated by examining the induction of root and shoot organogenesis in vitro. Concentrations of NAA (Naphthalene acetic acid) and BAP (6-Benzyl Amino Purine) individually as well as in combination had different effects on different stages of tissue culture. Among the three soaking durations, 20 minutes (min) of 200 mg/l NAA resulted in higher percentages of rooting, larger numbers of adventitious roots and heavier root dry weight per cutting. GA at 400 ppm and CCC at 600 ppm recorded the highest flower yield per plant (127.71 g) and number of flowers per plant (78.83), respectively. Urea levels at zero, 50, 100, 150 and 200 mg per kg of soil was used. Overall this study has shown that the plant growth regulators at different concentrations (60 ppm GA3, 12 ppm NAA and 15 ppm CPPU) applied using the swabbing technique greatly improved fruit growth and quality, when applied a week With a basic understanding of these factors, you may be able to manipulate plants to meet your needs, whether for increased leaf, flower, or fruit production. The foregoing auxins are plant growth regulators widely used in agriculture to control the quality of the crop. The cuttings were treated with six concentrations of NAA (0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 mM) by applying soaking method and cuttings without hormone (soaking in distilled water) were considered as … Effect of plant growth regulator treatments on the survival and vegetative growth of grape cuttings cv. Andrographis paniculata is one of the most important therapeutical herbs, widely used in traditional medical systems for the treatment of diverse diseases for thousands of years. It produces significant effect on the development of pointed ends for the root system. Cult. Effect of foliar spray of plant growth regulators viz., gibberellic acid (GA3) and 1-Naphthaleneacetic acid (NAA) on yield and quality parameters on three China aster cultivars viz., Kamini, Poornima and Violet Cushion was investigated. This plant growth retardant has effects on the partition of photoassimilates, on the water status of the cuttings, and has been described as a promoter of adventitious roots in … Plant growth substances are essential for growth and development of tomato plant. 2005;15(2):121-126. Gibberelic acid (GA In some algal species, auxin stimu- The effect of NAA on somaclonal variations in PLBs of this study was relatively low. week after the spray was given to the plants. 20-2). Licensed Under Creative Commons Attribution CC BY Increase in plant height with the application of NAA was also reported by Lakshmamma and Subba Rao (1996) in wheat which is consistent with the results of our present study. The research was carried out … This study was carried out to assess the effect of 1-naphthaleneacetic acid (NAA) on adventitious rooting inA. The treatment of foliar spray of NAA (25 and 50 ppm) and GA3 (150 and 250 ppm) was given at thirty and forty days after transplanting. (2004) [22] for optimum embryogenesis. Tsiakaras et al. ppm + NAA 250 ppm treated cuttings resulted in maximum number of roots (12.87) (T 6). mg) (Davies and Hobes, 1981). Effect of IAA on cell division and elongation of cells might have resulted in the increased plant height. Minimum plant height was recorded on T 9 (control treatment). Hormonal Concentrations Used . Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition. Increasing NAA from 0.1 to 1.0 mg/L at 0.5 mg/L IBA showed a significant increase from 0.50 ± 0.97 to 1.20 ± 1.16 in mean number of roots per shoot and from 0.13 ± 0.21 cm to 0.43 ± 0.40 cm mean root length. Effect of different sources of nutrient and hormones on growth and yield of tomato ... NAA (30 ppm) and H 2: GA 3 ... Plant growth regulators play an important role in flowering, fruit setting, and ripening and physiochemical changes in plants. Table 1. Distortion and killing of organs. had highest significant increase in grain yield followed by T2 (GA3 45 g), T1 (GA3 30 g), T5 (NAA 200 g), T3 (NAA 100 g), T27 (Urea 2 g + C.C.) The effect of plant growth regulator (NAA) on the yield potential of coarse rice was evaluated during rice growing season of 2004 and 2005 at the Postgraduate Agriculture Research Farm, Gomal University, Dera Ismail Khan, Pakistan. Application of GA3 also had significant effect on … The plants were harvested 85-90 days after sowing in the first week of May, 2006. These chemicals had no adverse effect on the growth and flowering of French marigold. Auxins especially NAA had positive effect on plant growth, early flowering, yield and quality attributes. NAA can increase fruit setting ratio, prevent fruit dropping, promote flower sex ratio. Plant Tiss. The following concentrations of auxin (NAA) and cytokinin (BAP) were prepared and applied as foliar application to observe their effect on growth and yield in Spinach. Prevention of leafing, leaf fall or both. ABSTRACT: In order to evaluation the effects on growth and yield of tomato plants in a soil sample, tested in a completely randomized design with three replications. Results showed that NAA had positive effect on rooting at the concentration of 200 mg/l compared to other concentrations at 30 days after planting (DAP). Apparently the effect of plant growth regulators on somaclonal variations in plant tissue cultures could be species-specific. & Biotechnol. GA 3 significantly increases growth characters, yield and also improved quality of tomato whereas NAA application and T24 (GA3 45 g + K2PO4 2 g). Role of NAA on growth of tomato NAA is commonly used in horticulture crops. Corpus ID: 99058208. Prevention or promotion of stem elongation. Similar result was reported by Rani et al., (2013), (2014) suggested that naphthalene acetic acid can be used for enhancement of growth and yield of cereals. (2014) examined the effect of GA Interaction effect of types of cutting and plant growth regulators showed significant effect, where maximum number of roots per cutting (19.35) observed in the terminal cuttings treated with IBA 500 ppm + NAA 250 ppm (C 3 … In cauliflower, boron deficiency has been reported in many parts of the country very frequently causing browning and hollow stem and ultimately resulting in lower yield having inferior quality. plants) was established by Das and Rout (2002) [11] in the presence of benzyl amino purine (BAP), IAA, α-naphthalene acetic acid (NAA), kinetin (Kn) and gibberellic acid (GA3) fortified media at various stages and effect of acetylsalicylic acid and ammonium Komariah et al. NAA is a synthetic plant hormone in the auxin family and is an ingredient in many commercial plant rooting horticultural products; it is a rooting agent and used for the vegetative propagation of plants from stem and leaf cuttings. This is consistent with the effect of NAA on leaf colour variants of … The exogenous application of various plant growth hormones significantly increases seed yield with a range of 14.85 g to 23.54 g. Treatment T26 (GA3 45g + C.C.) Keitt was studied by Osama et al., (2015). Investigations were carried out at Central Dry Zone of Karnataka to study the beneficial effects of plant growth regulators in 'Bhagwa' pomegranate. The effect of NAA on plant growth is greatly dependent on the time of admission and concentration. Color enhancement of fruit. Effect of NAA on fruit set and fruit retention percentage of mango cv. In majority of fruit plants fruit drop is controlled by spraying of NAA in different fruit crops in different concentration. 15 ppm (15 mg/l) CPPU showed the best effects on the fruit size and biochemical quality of the wax apple. The increased fruit drop and decreased percentage of fruit set, delay in flowering are the major issues lead to low productivity in paprika. Factors examined included: Number of … Traditionally, plant hormones and synthetic plant growth regulators are used as valuable research tools to elucidate physiological responses of plants or to probe biochemical control mechanisms. Natural and Synthetic Auxin: The main auxin in plants is indole-3-acetic acid (IAA Fig. Additionally, several other naturraly occurring indole derivatives are reported to express auxin activity, including indole-3- ethanol, indole-3-acetaldehyde, and indole-3-acetonitrile. KALIPATTI @inproceedings{Garhwal2015EFFECTOS, title={EFFECT OF SADH, NAA AND GA3 ON GROWTH, YIELD AND … EFFECT OF SADH, NAA AND GA3 ON GROWTH, YIELD AND QUALITY OF SAPOTA [Manilkara achras (Mill.) Use and regulation. In most of the plants, the formation of roots can be promoted by auxins while cytokinins promote the shoots formation in vitro. NAA has been shown to greatly increase cellulose fiber formation in plants. through in vitro culture of shoot tip explants. 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