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volume 49 issue 4 (august 2015) : 348-352,   Doi: 10.5958/0976-058X.2015.00063.3

Effect of plant Bio-Regulatores on Growth, Flowering and Seed yield in China Aster (Callistephus chinensis L. Nees) CV. Kamini

K
K. Pavan Kumar
T
T. Padmalatha
M
M. Pratap
S
S. Narender Reddy
1College of Horticulture, Rajendranagar, Hyderabad-500 030, India.
Cite article:- Kumar Pavan K., Padmalatha T., Pratap M., Reddy Narender S. (2025). Effect of plant Bio-Regulatores on Growth, Flowering and Seed yield in China Aster (Callistephus chinensis L. Nees) CV. Kamini. Indian Journal of Agricultural Research. 49(4): 348-352. doi: 10.5958/0976-058X.2015.00063.3.

ABSTRACT

A field experiment was conducted to study the effect of plant bio regulators on growth, flowering and seed yield in China aster cv. Kamini at College of Horticulture, Rajendranagar, Hyderabad during rabi, 2013-14. The experiment was laid in randomized block design and replicated twice. Plant growth regulators viz., GA3, salicylic acid, maleic hydrazide, alar and paclobutrazol were used in the experiment. The treatments were imposed as foliar sprays twice at 20 and 35 days after transplanting. The observations on growth parameters were recorded at three stages of plant growth viz., 30, 60 and 90 DAT. GA3 200 mg/l spray recorded significantly higher plant height (60.10 cm), number of primary branches per plant (24.60) and number of secondary branches per plant (61.45) at 90 DAT, number of flower’s per plant (84.96), flower yield per plant (109.66 g), flower yield per hectare (16.58 t), seed yield per plant (9.98 g), seed yield per ha (1509.31 kg) and 1000 seed weight (2.01 g). GA3 200 mg/l foliar spray was found to be at par with SA 200 mg/l in respect of number of primary branches (23.86), flower yield per hectare (15.90 t), seed yield per plant (9.85 g) and seed yield per hectare (1489.65 kg). SA 200 mg/l foliar spray could be recommended for increased growth, flower and seed yield in China aster cv. Kamini as it is more cheaper than GA3.

REFERENCES

  1. Anil, K. S. (2004). Influence of plant bio regulators on growth and seed yield in French marigold (Tagetes patula Linn.). J.Orn. Hort. 7 (2): 193-195.
  2. Bose, T. K. and Yadav, L. P. (1998). Commercial flowers. Naya Prokash Publishers. Calcutta. India.
  3. Hayat, S., Ali, B. and Ahmad, A. (2007). Salicylic Acid: A Plant Hormone In: Salicylic Acid: Biosynthesis, Metabolism and Physiological Role in Plants, Springer Netherlands. pp.1-14.
  4. Joshi, V., Reddy, S. A. and Reddy, K. M. (2006). Effect of Maleic hydrazide on growth and flowering in China aster. J. Res., ANGRAU. 34 (4): 94-97.
  5. Khandelwal, S. K., Jain, N. K. and Singh, P. (2003). Effect of growth retardants and pinching on growth and yield of African marigold (Tagetes erecta L.). J.Orn. Hort. 6 (3): 271– 273.
  6. Lal, H. and Mishra, S. P. (1986). Effect of gibberellic acid and maleic hydrazide on growth and flowering of marigold and China aster. Prog. Hort. 18 (1-2): 151-152.
  7. Nandre, D. R.., Navandar, U. O. and Archana, D. W. (2009). Effect of growth regulators on growth, flowering and yield of China aster. Asian J. Hort. 4 (1): 50-51.
  8. Padmini, K., Janakiram and Naik L. B. (2013). Effect of nutrients and growth regulators on seed yield in China aster (Callistephus chinensis) cv. Poornima. Indian J. Agric. Sci. 83 (3): 349-351.
  9. Panse, V. G and Sukhatme, P. V. (1978). Statistical Methods for Agricultural Workers. ICAR, New Delhi.
  10. Prabhat Kumar, Raghava, S. P. S., Mishra, R. L. and Krisna P. Singh (2003). Effect of GA3 on growth and yield of China aster. J.Orn. Hort. 6 (2): 110-112.
  11. Sharma, C. P., Maurya, A. N., Srivastava, O. P. and Mishra, A. (2001). Role of GA3, MH and ethrel in modifying vegetative and floral characters of Chrysanthemum morifolium Ram. The Orissa J. Hort. 29 (2): 35-38.
  12. Shivakumar, C. M. (2000). Effect of mother plant nutrition, plant density and seed maturity on seed yield and quality in marigold (Tagetes erecta L.) M.Sc. (Agri.) Thesis, University of Agriculture Sciences. Dharwad, Karnataka.
  13. Shivaprasad Shetty (1995). Effect of GA3 and cycocel on maturity, seed yield and quality of China aster (Callistephus chinensis L. Nees.) M. Sc. (Agri.) Thesis, University of Agriculture Sciences. Bangalore, Karnataka.
  14. Sunitha, H. M., Ravi Hunje, Vyakaranahal, B. S. and Bablad, H. B. (2007). Effect of plant spacing and integrated nutrient management on yield and quality of seed and vegetative growth parameters in African marigold (Tagetes erecta Linn.). J.Orn. Hort. 10 (4): 245-249.
  15. Swaroop, K., Kanwar, P., Singh, P. and Raju, D. V. S. (2007). Vegetative growth, flowering and seed characters of African marigold (Tagetes erecta L.) as influenced by different growth substances during mild off seasons. J.Orn. Hort. 10 (4): 268-270.
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    volume 49 issue 4 (august 2015) : 348-352,   Doi: 10.5958/0976-058X.2015.00063.3

    Effect of plant Bio-Regulatores on Growth, Flowering and Seed yield in China Aster (Callistephus chinensis L. Nees) CV. Kamini

    K
    K. Pavan Kumar
    T
    T. Padmalatha
    M
    M. Pratap
    S
    S. Narender Reddy
    1College of Horticulture, Rajendranagar, Hyderabad-500 030, India.
    Cite article:- Kumar Pavan K., Padmalatha T., Pratap M., Reddy Narender S. (2025). Effect of plant Bio-Regulatores on Growth, Flowering and Seed yield in China Aster (Callistephus chinensis L. Nees) CV. Kamini. Indian Journal of Agricultural Research. 49(4): 348-352. doi: 10.5958/0976-058X.2015.00063.3.

    ABSTRACT

    A field experiment was conducted to study the effect of plant bio regulators on growth, flowering and seed yield in China aster cv. Kamini at College of Horticulture, Rajendranagar, Hyderabad during rabi, 2013-14. The experiment was laid in randomized block design and replicated twice. Plant growth regulators viz., GA3, salicylic acid, maleic hydrazide, alar and paclobutrazol were used in the experiment. The treatments were imposed as foliar sprays twice at 20 and 35 days after transplanting. The observations on growth parameters were recorded at three stages of plant growth viz., 30, 60 and 90 DAT. GA3 200 mg/l spray recorded significantly higher plant height (60.10 cm), number of primary branches per plant (24.60) and number of secondary branches per plant (61.45) at 90 DAT, number of flower’s per plant (84.96), flower yield per plant (109.66 g), flower yield per hectare (16.58 t), seed yield per plant (9.98 g), seed yield per ha (1509.31 kg) and 1000 seed weight (2.01 g). GA3 200 mg/l foliar spray was found to be at par with SA 200 mg/l in respect of number of primary branches (23.86), flower yield per hectare (15.90 t), seed yield per plant (9.85 g) and seed yield per hectare (1489.65 kg). SA 200 mg/l foliar spray could be recommended for increased growth, flower and seed yield in China aster cv. Kamini as it is more cheaper than GA3.

    REFERENCES

    1. Anil, K. S. (2004). Influence of plant bio regulators on growth and seed yield in French marigold (Tagetes patula Linn.). J.Orn. Hort. 7 (2): 193-195.
    2. Bose, T. K. and Yadav, L. P. (1998). Commercial flowers. Naya Prokash Publishers. Calcutta. India.
    3. Hayat, S., Ali, B. and Ahmad, A. (2007). Salicylic Acid: A Plant Hormone In: Salicylic Acid: Biosynthesis, Metabolism and Physiological Role in Plants, Springer Netherlands. pp.1-14.
    4. Joshi, V., Reddy, S. A. and Reddy, K. M. (2006). Effect of Maleic hydrazide on growth and flowering in China aster. J. Res., ANGRAU. 34 (4): 94-97.
    5. Khandelwal, S. K., Jain, N. K. and Singh, P. (2003). Effect of growth retardants and pinching on growth and yield of African marigold (Tagetes erecta L.). J.Orn. Hort. 6 (3): 271– 273.
    6. Lal, H. and Mishra, S. P. (1986). Effect of gibberellic acid and maleic hydrazide on growth and flowering of marigold and China aster. Prog. Hort. 18 (1-2): 151-152.
    7. Nandre, D. R.., Navandar, U. O. and Archana, D. W. (2009). Effect of growth regulators on growth, flowering and yield of China aster. Asian J. Hort. 4 (1): 50-51.
    8. Padmini, K., Janakiram and Naik L. B. (2013). Effect of nutrients and growth regulators on seed yield in China aster (Callistephus chinensis) cv. Poornima. Indian J. Agric. Sci. 83 (3): 349-351.
    9. Panse, V. G and Sukhatme, P. V. (1978). Statistical Methods for Agricultural Workers. ICAR, New Delhi.
    10. Prabhat Kumar, Raghava, S. P. S., Mishra, R. L. and Krisna P. Singh (2003). Effect of GA3 on growth and yield of China aster. J.Orn. Hort. 6 (2): 110-112.
    11. Sharma, C. P., Maurya, A. N., Srivastava, O. P. and Mishra, A. (2001). Role of GA3, MH and ethrel in modifying vegetative and floral characters of Chrysanthemum morifolium Ram. The Orissa J. Hort. 29 (2): 35-38.
    12. Shivakumar, C. M. (2000). Effect of mother plant nutrition, plant density and seed maturity on seed yield and quality in marigold (Tagetes erecta L.) M.Sc. (Agri.) Thesis, University of Agriculture Sciences. Dharwad, Karnataka.
    13. Shivaprasad Shetty (1995). Effect of GA3 and cycocel on maturity, seed yield and quality of China aster (Callistephus chinensis L. Nees.) M. Sc. (Agri.) Thesis, University of Agriculture Sciences. Bangalore, Karnataka.
    14. Sunitha, H. M., Ravi Hunje, Vyakaranahal, B. S. and Bablad, H. B. (2007). Effect of plant spacing and integrated nutrient management on yield and quality of seed and vegetative growth parameters in African marigold (Tagetes erecta Linn.). J.Orn. Hort. 10 (4): 245-249.
    15. Swaroop, K., Kanwar, P., Singh, P. and Raju, D. V. S. (2007). Vegetative growth, flowering and seed characters of African marigold (Tagetes erecta L.) as influenced by different growth substances during mild off seasons. J.Orn. Hort. 10 (4): 268-270.
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