STUDY OF INFLORESCENCE, DEVELOPMENT& GENESIS OF SHASTADAISY ORNAMENTAL PLANT (CHRYSANTHEMUM MAXIMUM RAMOND) AS A PATERN OF HEAD FLOWERS IN ASTERACEAE FAMILY

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SHARIFSHOUSHTARI M.; MAJD A.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2010 | Volume:23 | Issue:1 Page(s): 47-61

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Title

STUDY OF INFLORESCENCE, DEVELOPMENT& GENESIS OF SHASTADAISY ORNAMENTAL PLANT (CHRYSANTHEMUM MAXIMUM RAMOND) AS A PATERN OF HEAD FLOWERS IN ASTERACEAE FAMILY

Author(s)

SHARIFSHOUSHTARI M. | MAJD A. | Issue Writer Certificate

Keywords

ASTERACEAE FAMILYQ3

(CHRYSANTHEMUM MAXIMUM RAMONDQ3

DEVELOPMENT RAY FLORETSQ3

DISK FLORETS)Q3

STERILE FLORETSQ3

Abstract

Shastadaisy are from composite family and it is as a part of ornamental flowers of spring and summer would plant in green spaces of cities and consumers’. Shastadaisy has capitule inflorescence the present research aims to study and review its genesis and comparison definition of ray and disk flowers. It can be suitable pattern for several species of capitule inflorescence, floral buds of shadtadaisy flowers, different phases of originating, creation of after primitive studies with stereomicroscope, fixation with FAA. More observation of inflorescence and floret has been done by SEM microscopy. Results showed that procreative meristem, dimension of meristem and its dyeability are increased and meristem during originating to the floret morphological alternation from convex shape in to the flat one and then become dented at the location of central florets which can be raised from more rapid growth of marginal florets, their shape found, pressure in to the central floret meristem. This portioning can be resulted the controlling of cells dividing and cell growth in grooved regions and cells division continues in each floret meristim portion. In progress originating phase’s meristem of each bolted floret would start new portioning in margin of the inflorescence and different parts of each floret is included as stripes sepals, 5 stamens and bolted in receptacle part. three types of ray floret are included as hormapherodit-floret, pistil-floret and sterile florets which had been existed in scattered. Pistils have bifurcate stigma, the homogeneous cells’ style, alveolus ovary and inverted ovules, disk florets originating from margine toward center and each meristem portion beginning of its floret parts formation. Pollengrains types are Tri-colporate. Originating of pollengrains in another is in-simultaneously beside one or two cells pollens. The second mitosis division is caused the formation of tri-cells pollens.

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References

EFFECTS OF DROUGHT STRESS AND EXOGENOUS ABSCISIC ACID ON REPRODUTIVE MERISTEM STRUCTURE, MORPHOLOGY, YIELD AND YIELD COMPONENTS OF OILSEED RAPE (BRASSICA NAPUS L.)

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APA: Copy

SHARIFSHOUSHTARI, M., & MAJD, A.. (2010). STUDY OF INFLORESCENCE, DEVELOPMENT& GENESIS OF SHASTADAISY ORNAMENTAL PLANT (CHRYSANTHEMUM MAXIMUM RAMOND) AS A PATERN OF HEAD FLOWERS IN ASTERACEAE FAMILY. IRANIAN JOURNAL OF BIOLOGY, 23(1), 47-61. SID. https://sid.ir/paper/21046/en

Vancouver: Copy

SHARIFSHOUSHTARI M., MAJD A.. STUDY OF INFLORESCENCE, DEVELOPMENT& GENESIS OF SHASTADAISY ORNAMENTAL PLANT (CHRYSANTHEMUM MAXIMUM RAMOND) AS A PATERN OF HEAD FLOWERS IN ASTERACEAE FAMILY. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2010;23(1):47-61. Available from: https://sid.ir/paper/21046/en

IEEE: Copy

M. SHARIFSHOUSHTARI, and A. MAJD, “STUDY OF INFLORESCENCE, DEVELOPMENT& GENESIS OF SHASTADAISY ORNAMENTAL PLANT (CHRYSANTHEMUM MAXIMUM RAMOND) AS A PATERN OF HEAD FLOWERS IN ASTERACEAE FAMILY,” IRANIAN JOURNAL OF BIOLOGY, vol. 23, no. 1, pp. 47–61, 2010, [Online]. Available: https://sid.ir/paper/21046/en

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