Dormancy and germination requirements were investigated in seeds of Ferula gummosa Boiss (Apiaceae) and Teucrium polium L. (Labiatae). Seeds of both species were subjected to different treatments including various levels of GA3, HNO3, H2SO4, chilling and soaking with water at different temperatures. Germination of both species increased at higher concentrations of GA3. In the case of F. gummosa...

The study was carried out to investigate the effects of growth regulator treatments on the growth and chlorophyll and biochemical contents of Hibiscus sabdariffa (sorrel). The treatments comprised of 50ppm and 100ppm each of indole acetic acid (IAA) and gibberellic acid (GA3) and 10% and 15% coconut milk. A total of three foliar applications were made at two weeks interval commencing from two w...

A two-year (2020-21) study was conducted to investigate the possibility of relying ten-years old pear trees grown on sandy loam soil irrigated by drip citric acid (CA), gibberellic (GA3) and humic (HA). The CA applied at concentrations 500, 1000 1500 ppm, GA3 50, 100 150 ppm HA 3, 4 5%, whereas water spray used as control. results our proved that CA, improved shoot length, thickness, leaf area ...

This study was conducted during two successive seasons 2005 and 2006 by using "Desert Red" peach cultivar (Prunus persica L.) grafted on Nemaguard rootstock. Trees were sprayed with a hand sprayer to the run off at the initiation of phase ΙΙΙ of the double sigmoid curve before the onset of the climacteric. The treatments included putrescine at 5 and 10 mM, GA3 at 200 and 400 ppm, in addition to...

Preand post-harvest physiology and quality responses of green pepper (Capsicum annuum L. cv ‘Standar p.13/0211003-01-Agris’) on exogenous Gibberellic acid-GA3 (100 μM), ProhexadioneCalcium (100 mg l), Cycocel (100 mg l) and Ethephon (100 mg l) applied as foliar sprays, were investigated. Among PGRs, GA3 @ 100μM was effective in promoting flowering and better for vegetative characteristics. Chlo...

Plant hormone keeps a significant role to enlarge the fruit size and quality development. Fruit growers have a lot of interest in making fruit enlargement and shorten maturity to harvest fruit earlier and to make it marketable soon. Gibberellic Acid (GA3) and bark stress play a significant role in fruit enlargement and development. Bilimbi fruit was used in this experiment. The flower bud were ...

The study compared the effects of 1.0 × MS medium containing various concentrations of α-naphthaleneacetic acid (NAA), indole-3-acetic acid (IAA), and indole-3-butyric acid (IBA), alone or in combination with gibberellic acid (GA3) in micropropagation of three potato (Solanum tuberosum L.) cultivars Pasinler, Granola, and Caspar using binodal stem cuttings. The results testified improved regene...

effect of gibberellic acid on marigold (calendula officinalis l.) was evaluated in a pot culture experiment. a factorial experiment based on completely randomized design including 12 treatments and four replications was carried out. main factor was foliar application stages (first, second and third) and sub factor included different concentrations of ga3 (0, 50, 150 and 250 mg l-1). results sho...

Seven seed borne fungi were isolated from sugar beet seeds viz. Alternaria alternata, Helminthosporium sp., Rhizopus stolonifer, Epicoccum sp., Rhizoctonia solani, Phoma betae and Fusarium oxysporium f. sp. betae. The last three fungi were found internal, while the others were external on seed surface. The internal fungi caused root-rot disease to sugar beet plants. Tre11tment of seeds with eac...

This experiment conducted on rosemary plant (Rosmarinus officinalis L.), aimed to investigate the effect of gibberellic acid (GA3), salicylic (SA), and NPK fertilizer growth chemical constituents as well determining best concentration. After two weeks from planting rooted cuttings in plastic pots were sprayed with SA at three concentrations (0, 150 300 mg l-1), GA3 Sprayed 400 Nano (3 6 g contr...