Kumari and Kumar

Flowers exist in a tremendous range of forms

Bhajantri A and Patil VS 2013. Response of gamma rays and

and sizes. However, this tremendous diversity is

ethyl methane sulphonate (EMS) on seedling characters of

gladiolus cultivars. Bioinfolet 10 (1A):115-116.

underpinned by a surprisingly robust basic floral

Bowman JL, Drews GN and Meyerowitz EM 1991.

structure in which a central group of carpels forms

Expression of the Arabidopsis

Floral Homeotic Gene

on an axis of determinate growth, almost invariably

AGAMOUS 1s Restricted to-Specific Cell Types Late in

surrounded by two successive zones containing

Flower Development. The Plant Cell 3 : 749-758.

stamens and perianth organs, respectively (Scutt and

Broertjes C and Van Harten AM 1988. Applied mutation

Vandenbussche2014).Duringflowerdevelopmentthe

breeding for vegetatively propagated crops. Elsevier,

meristem verticiles follow an acropital development

Amsterdam, p.345.

giving rise to sepal, petal stamen and carpals. The

Goldblatt P and Manning J 1998. Gladiolus in Southern Africa.

organs present in floral verticils are consequence

Fernwood Press, Vlaeberg.

of interaction of three types of gene products

Gomez KA and Gomez AA 1984. Statistical procedures for

agricultural research. New York :Jonn Wiley and Sons.

according to ABC model. Homeotic mutations cause

690p.

cells to misinterpret their positions in early flower

Gordon SA (1954) Occurrence, formation and inactivation of

development (Bowman et al. 1991).Many homeotic

auxins. Ann. Rev.Pl. Physiol 5 :341-378

mutants, developing defective flowers have been

Grabowska B and Mynett K 1970. Induction of changes

isolated in Arabidopsis, Petunia, Antirrhinum and

in garden gladiolus (Gladiolus hybrid.Hort.)under the

Lycopersican (Ahloowalia and Maluszynski 2001).In

influences of gamma rays 60Co (Polish). Biul IHAR 1 (2):

Goethe’s theory, stamens are defined as contracted

85-88.

petal so the change of stamens into petals might also

Gunckel JE and Sparrow AH (1961) Ionising radiations:

biochemical, physiological aspects of their effects on

be due to the reason that gamma irradiation caused

plants. Encyclo. Plant Physiol ogy 16 : 555-617

some changes in stamens to expand them into

KumariK,DhattKKandKapoorM2013.Inducedmutagenesis

petals again.These homeotic mutants can be further

in Chrysanthemum morifoliumvariety ‘Otome Pink’

utilized to study the phenomenon of development of

through gamma irradiation. The Bioscan 8 (4): 1489-1492.

different flower organs.

Misra RL and Bajpai PN (1983) Mutation studies in gladioli

( Gladiolus L.): Effect of physical and chemical mutagens

Conclusion

on sprouting and survival of corms. Haryana Journal of

Horticultural Sciences 12 (16):1-2.

From the present study it is concluded that flower

Mubarok S, Suminar E and Murgayanti D 2011. Uji

mutants can be induced by gamma rays treatment

Effectivitas sinar gamma terhadap karakter pertumbuhan

in gladiolus and higher doses of 55 and 70 Gy are

sedapmalam. Journal of Agrivigour 11 (1):25-33.

harmful for corm and cormel characters.

Patil SD and Dhaduk BK 2009. Effect of gamma radiation on

vegetative and floral characters of commercial varieties

Acknowledgement

of gladiolus (Gladiolus hybrid L.) Journal of Ornamental

Horticulture 12 (4): 232-238.

We acknowledge Department of Science and

Raghava SPS, Negi SS and Sharma T 1988. New cultivars of

Technology (DST), under the Ministry of Science

gladiolus. Indian Journal of Horticulture 26 (3):2-3.

and Technology, Government of India for providing

Scutt CP and Vandenbussche M 2014. Current treands and

fellowship under the “INSPIRE programme” to

future directions in flower development research. Annals

carry out this research work.

of Botany 114 :1399-1406.

Sisodia A and Singh AK 2014. Influence of gamma

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