نتایج جستجو برای: somaclonal variation

تعداد نتایج: 296663  

2004
VINITHA CARDOZA Joe Johnson G. C. Phillips

Considerable progress has been accomplished in the cellular and molecular biology of Brassica species in the past few years. Plant regeneration has been increasingly optimized via organogenesis and somatic embryogenesis using various explants; with tissue culture improvements focusing on factors such as age of the explant, genotype, and media additives. The production of haploids and doubled ha...

Journal: :The Plant journal : for cell and molecular biology 2004
Margit Menges James A H Murray

We have recently described Arabidopsis cell suspension cultures that can be effectively synchronised. Here, we describe procedures that allow clonal-transformed cell suspension lines to be produced using Agrobacterium-mediated transformation, and an optimised and straightforward procedure for the cryopreservation and recovery of both parental and transformed lines. Frozen cultures show 90% viab...

Journal: :journal of agricultural science and technology 2015
r. karim f. ahmed u. krishna roy t. ara r. islam

strawberry is a valuable, nutritious, and economically important fruit all over the world including bangladesh. therefore, there is a demand to develop a suitable variety of strawberry. for this purpose, leaf explants from in vitro grown strawberry plantlets were cultured onto ms medium supplemented with different concentrations and combinations of 2,4-d, naa and ba for callus induction. the mo...

Journal: :journal of sciences, islamic republic of iran 2010
m. peyvandi

frequency of somaclonal variation in embryogenic calli and plants of olea europaea l cv.kroneiki derived from somatic embryogenesis were examined by randomly amplified polymorphic dna (rapd) analysis. radicle and cotyledon (proximal part) of mature zygotic embryo were cultured in omc medium supplemented with iba (5 mgl-1) and 2-ip (0.5 mgl-1). somatic embryogenesis was induced in calli of radic...

2014
I. MAHMOOD A. RAZZAQ M. RASHEED A. QAYYUM M. AHMAD Pir Mehr Ali Shah

MAHMOOD, I., A. RAZZAQ, M. RASHEED, A. QAYYUM and M. AHMAD, 2014. Employment of immature embryo culture for in vitro selection of drought tolerant somaclones of wheat. Bulg. J. Agric. Sci., 20: 155-161 Drought, a serious threat to world agriculture, demands neo-breeding approaches. Tissue culture being a mutagenic process induces somaclonal variations, which can be manipulated for improving dro...

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