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Ibrahem, H. (2009). EFFECT OF FOLIAR SPRAYS WITH POTASSEIN(N , B) ON VEGETATIVE GROWTH, FLOWERING AND CHEMICAL COMPOSITION OF Euphorbia splendes PLANTS.. Journal of Plant Production, 34(5), 4883-4891. doi: 10.21608/jpp.2009.117300
Hanan E. Ibrahem. "EFFECT OF FOLIAR SPRAYS WITH POTASSEIN(N , B) ON VEGETATIVE GROWTH, FLOWERING AND CHEMICAL COMPOSITION OF Euphorbia splendes PLANTS.". Journal of Plant Production, 34, 5, 2009, 4883-4891. doi: 10.21608/jpp.2009.117300
Ibrahem, H. (2009). 'EFFECT OF FOLIAR SPRAYS WITH POTASSEIN(N , B) ON VEGETATIVE GROWTH, FLOWERING AND CHEMICAL COMPOSITION OF Euphorbia splendes PLANTS.', Journal of Plant Production, 34(5), pp. 4883-4891. doi: 10.21608/jpp.2009.117300
Ibrahem, H. EFFECT OF FOLIAR SPRAYS WITH POTASSEIN(N , B) ON VEGETATIVE GROWTH, FLOWERING AND CHEMICAL COMPOSITION OF Euphorbia splendes PLANTS.. Journal of Plant Production, 2009; 34(5): 4883-4891. doi: 10.21608/jpp.2009.117300

EFFECT OF FOLIAR SPRAYS WITH POTASSEIN(N , B) ON VEGETATIVE GROWTH, FLOWERING AND CHEMICAL COMPOSITION OF Euphorbia splendes PLANTS.

Article 13, Volume 34, Issue 5, May 2009, Page 4883-4891  XML PDF (654.86 K)
Document Type: Original Article
DOI: 10.21608/jpp.2009.117300
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Author
Hanan E. Ibrahem*
Orn. Plants Res. Dep., Hort. Res. Inst., Agri. Res. Centre ,Giza, Egypt.
Abstract
A study was conducted at the experimental Orman farm Botanical Garden , Giza, Egypt ,during 2005/2006 and 2006/2007 seasons to study the effect of potassein N (K-N) and potassein P (K-P) as a foliar spray with  a different rates on growth, flowering and chemical composition of Euphorbia splendes plants grown in   pots.
The obtained results indicated that plant height, number of branches and number of leaves/plant, root length, fresh and dry weights of leaves, stem and roots as well as flower date ,flower diameter , chlorophyll a and b, carotenoids contents and the percentages of N, P and K in the plants.
 All these characteristics were significantly increased in response to the various treatments used in the study when compared to the control. The opposite was the right concerning number of days from planting to opening first flower significantly produced early flowering  plants.
So it is recommended to spray the foliage of Euphorbia splendes transplants grown in 20-cm-diameter pots with a combination 6 ml/L, K-N plus 6 ml/L K-P which gave attractive specimens of such plant.
Keywords
Euphorbia splendes; Potassein N (K-N); Potassein P (K-P); vegetative growth; flowering; chemical composition
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