ISHS Acta Horticulturae 749: I International Symposium on Chamomile Research, Development and Production
EFFECT OF THE INTERNAL AND EXTERNAL FACTORS ON YIELD AND QUALITATIVE-QUANTITATIVE CHARACTERISTICS OF CHAMOMILE ESSENTIAL OIL |
| Author: | I. Salamon |
| Keywords: | abiotic, biotic, composition, environment, essential oil, factors, genetics, relationship, secondary metabolites, yield |
| DOI: | 10.17660/ActaHortic.2007.749.3 |
| Abstract:
The form and structure of chamomile is affected by genetic factors and environmental conditions. From carbohydrates as primary metabolites which are formed in photosynthesis, secondary metabolites useful for plant immunology and communication are synthesized. Nowadays, chamomile is a most favored and much used medicinal plant throughout the world. Phytotherapeutically useful are inflorescences whereby substantial part of their curative effects is determined by the essential oil content and composition. In regard to qualitative-quantitative characteristics of essential oil with a wide range of biodiversity, several chamomile chemotypes are characterized. Besides the major influence of genetic factors, the environment has an important effect on essential oil accumulation and composition. The environmental control is modified by chamomile plant ontogeny, and many other factors outside the scope of this review, such as light intensity, day length, temperature, nutrition, irrigation, plant growth regulators, tissue cultures and their transgenic transformation, intraspecific interactions, population dynamics, parasites, diseases, pest control, interspecific competition and harvest management are also known to affect yield of chamomile essential oil and its composition. | |
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