Abdel-Mawgoud, A. M. R., El-Greadly, N. H. M., Helmy, Y. I. & Singer, S. M. (2007). Responses of tomato plants to different rates of humic based fertilizer and NPK fertilization. Journal of Applied Sciences Research, 3(2), 169-174.
Ahmad, I., Usman, R. S., Muhammad, Q., Muhammad, S., Ahmad, S. K. & Muhammad, Y. (2013). Humic acid and cultivar effects on growth, yield, vase life, and corm characteristics of gladiolus. Chilean Journal of Agricultural Research, 73 (4), 339-344.
Allahvirdizadeh, N. & Nazari Deljou, M. (2014). Effect of humic acid on morph-physiological traits, nutrients uptake and postharvest vase life of pot marigold cut flower (Calendula officinalis cv. Crysantha) in hydroponic system. Journal of Science and Technology of Greenhouse Culture, 5 (18), 133-143. (in Farsi)
Ambreen Memon, S. & Khetran, K. (2014). Effect of humic acid and calcium chloride on the growth and flower production of Snapdragon (Antirrhinum majus). Journal of Agricultural Technology, 10 (6), 1557-1569.
Bhujbal, G. B., Chavan, N. G. & Mehetre, S. S. (2014). Importance of growth regulatore and cold storage treatment for breaking of gladiolus (Gladiolus grandiflorus L.( corm dormancy. An International Quality Journal in Life Science, 9 (2), 501-505,
Canellas, L. P., Olivares, F. L., Okorokova-Facanha, A. L. & Facanha, A. R. (2002). Humic acids isolated from earthworm compost enhance root elongation, lateral root emergence, and plasma membrane H+-ATPase activity in maize roots. Plant Physiology, 130, 1951-1957.
Chopde, N., Gonge, V. S. & Dalal, S. R. (2012). Growth flowering and corm production of gladiolus as influenced by foliar application of growth regulators. Plant Archives, 12 (1), 41-46.
De, L. C. & Dhiman, K. R. (2002). Growth, flowering and corm production of gladiolus as influenced by grades, season and chemicals. The Horticulture Journal, 15 (2), 69-74.
Fahad, S., Masood Ahmad, K., Akbar Anjum, M. & Hussain, S. (2014). The effect of micronutrients (B, Zn and Fe) foliar application on the growth, flowering and corm production of gladiolus (Gladiolus grandiflorus L.) in calcareous soils. Journal of Agricultural Science and Technology, 16, 1671-1682.
Emami, H., Saeidnia, M., Hatamzadeh, A., Bakhshi, D. & Ghorbani, E. (2011). The Effect of gibberellic acid and benzyladenine in growth and flowering of Lily (Lilium longiflorum). Advances in Environmental Biology, 5(7), 1606-1611.
Ferrante, A., Mensuali-Sodi, A. & Serra, G. (2009). Effect of thidiazuron and gibberellic acid on leaf yellowing of cut stock flowers. Central European Journal of Biology, 4(4), 461-468.
Gangadharan, G. D. & Gopinath, G. (2000). Effect of organic and inorganic fertilizers on growth, flowering and quality of gladiolus cv. White Prosperity. Karnataka Journal of Agricultural Sciences, 13(2), 401-405.
Ghasemi, E., Tavakal, M. R. & Zabihi, H. R. (2012). Effect of nitrogen, potassium and humic acid on vegetative growth, nitrogen and potassium uptake of potato minituber in greenhouse condition. Agronomy and Plant Breeding, 8 (1), 39-56. (in Farsi)
Gholami, H., Samavat, S. & Oraghi Ardebili, Z. (2013). The alleviating effects of humic substances on photosynthesis and yield of Plantago ovate in salinity conditions. International Research Journal of Applied and Basic Sciences, 4 (7), 1683-1686.
Iqbal, N., Nazar, R., Iqbal, M., Khan, R., Masood, A. & Khan, N. A. (2011). Role of gibberellins in regulation of source-sink relations under optimal and limiting environmental conditions. Current Science, 100 (7), 998-1007.
Janowska, B. & Andrzejak, R. (2010). Effect of gibberellic acid spraying and soaking of rhizomes on the growth and flowering of calla lily (Zantedeschia spreng.). Acta Agrobotanica, 63(2), 155-160.
Khan, F. N., Rahman, M. M. & Hossain, M. M. (2013). Effect of benzyladenine and gibberellic acid on daormancy breaking, growth and yield of gladiolus corms over different storage periods. Journal. Ornamental and Horticulture. Plants, 3(1), 59-71.
Khan, N. A., Singh, S., Nazar, R. & Lone, P. M. (2007). The source-sink relationship in mustard. Asian and Australasian Journal of Plant Science and Biotechnology, 1, 10-18.
Kumar, P., Raghava, S. P. S., Misra, R. L. & Singh, K. P. (2003). Effect of GA3 on growth and yield of China aster. Journal of Ornamental Horticulture, 6(2), 110-112.
Kumar, S. & Gupta, A. K. (2014.). Postharvest life of (Gladiolus grandiflorus L.) cv. Jessica as Influenced by pre-harvest application of gibberellic acid and kinetin. Journal of Postharvest Technology, 2 (3), 169-176.
Nardi, S., PizzeghellO, D., Muscolo, A. & Vianello, A. (2002). Physiological effects of humic substances on higher plants. Soil Biology and Biochemistry, 34, 1527-1536.
Ohta, K., Morishita, S., Suda, K., Kobayashi, N. & Hosoki, T. (2004). Effects of chitosan soil mixture treatment in the seedling stage on the growth and flowering of several ornamental plants. Journal of the Japanese Society for Horticultural Science, 73 (1), 66-68.
Patel, J., Patel, H. C., Chavda, J. C. & Saiyad, M. Y. (2010). Effect of plant growth regulators on flowering and yield of gladiolus (Gladiolus grandiflorus L.) cv. American Beauty, The Asian Journal of Horticulture, 5(2), 483-485.
Piccolo, A., Nardi, S. & Concheri, G. (1991). Structural characteristics of humic substances as related to nitrate uptake and growth regulation in plant systems. Soil Biology and Biochemistry, 23, 833-836.
Pizzeghello, D., Nicolini, G. & Nardi, S. (2001). Hormone-like activity of humic substances in Fagus sylvaticae forests. New Phytologist, 51, 647-657.
Rana, P., Kumar, J. & Kumar, M. (2005). Response of GA3, Plant Spacing and planting depth on growth, flowering and corm production in Gladiolus. Journal of Ornamental Horticulture, 8 (1), 41-44.
Rani, P. & Singh, P. (2013) Impact of gibberelic acid pretreatment on growth and flowering of tuberose (Polianthes tuberosa L.) cv. prajwal. Journal of Plant Physiology, 5, 33-41.
Sarkar, M. A. H., Hossain, M., Uddin, A. F. M. J., Uddin, M. A. N. & Sarkar, M. D. (2014). Vegetative, floral and yield attributes of gladiolus in response to gibberellic acid and corm size. Scientia Agricultura, 7 (3), 142-146.
Seyed Bagheri, M. M. (2010). Influence of humic products on soil health and potato production. Potato Research, 53 (4), 341-349.
Sudhakar, M. & Kumar, S. R. (2012). Effect of growth regulators on growth, flowering and corm production of gladiolus (Gladiolus grandiflorus L.) cv. White Friendship. Indian Journal of. Plant Science, 1 (2-3), 133-136.
Sure, S., Arooie, H. & Azizi, M. (2012). Influence of plant growth regulators (PGRs) and planting method on growth and yield in oil pumpkin (Cucurbita pepo var. styriaca). Notulae Scientia Biologicae, 4 (2), 101-107.
Suresh kumar, P., Bhagawati, R., Rajiv kumar, R. & Ronya, T. (2008). Effect of plant growth regulators on vegetative growth, flowering and corm production of gladiolus. Journal of Ornamental Horticulture, 11 (4), 265-270.
Tyagi, A. K. & Singh, C. N. (2006). Effect of GA3 and IBA on flowering and bulb production in tuberose (Polianthes tuberosa L.) cultivar Pearl Double. Journal of. Ornamental. Horticulture, 9 (2), 152.
Umrao Vijai, K., Singh, R. P. & Singh, A. R. (2007). Effect of gibberellic acid and growing media on vegetative and floral attributes of gladiolus. Indian Journal of Horticulture, 64, 73-76.
Yamaguchi, S. (2008). Gibberellin metabolism and its regulation. Annual Review of Plant Biology, 59, 225-251.
Zhang, X. Z. & Ervin, E. H. (2004). Cytokinin-containing seaweed and humic acid extracts associated with creeping bentgrass leaf cytokinins and drought resistance. Crop Science, 5, 1737-1745.