AXILLARY SHOOT STIMULATION AND PLANT DEVELOPMENT OF COLEUS TREATED WITH CERTAIN PLANT GROWTH REGULATORS | Zendy

Maryam Khoshkhui | Zendy; I. Rouhani | Zendy; Bijan Shaybany | Zendy

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AXILLARY SHOOT STIMULATION AND PLANT DEVELOPMENT OF COLEUS TREATED WITH CERTAIN PLANT GROWTH REGULATORS

Author(s) -

Maryam Khoshkhui,

I. Rouhani,

Bijan Shaybany

Publication year - 1978

Publication title -

canadian journal of plant science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.338

H-Index - 59

eISSN - 1918-1833

pISSN - 0008-4220

DOI - 10.4141/cjps78-149

Subject(s) - coleus , ethephon , shoot , plant growth , biology , cultivar , horticulture , auxin , axillary bud , botany , gibberellic acid , ornamental plant , lateral shoot , germination , tissue culture , ethylene , gene , biochemistry , in vitro , catalysis

N 6 -benzyladenine (BA), indoleacetic acid (IAA) and 2-choroethylphosphonic acid (ethephon) were applied to pinched and non-pinched plants of four cultivars of coleus (Coleus blumei Benth). All growth regulators increased the number of branches of treated plants, with 800 ppm BA having the most prominent effect. Ethephon treatments dwarfed the plants and decreased leaf size, while BA and IAA enhanced these characters. Plants treated with ethephon developed more leaves in most of the cultivars, as compared with the other two growth regulators. BA-treated plants had lower, and IAA-treated plants had higher, shoot fresh and dry weights than controls.

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