Mutagenic effects of heavy ion radiation in plants mei m(1), deng h, lu y, zhuang c, liu z, qiu q, qiu y, yang tc collaborators: yang tc(2) author information: (1)south china agricultural university, guangzhou (2)nasa jsc genetic and developmental effects of heavy ions in maize and rice were investigated heavy. Gamma irradiation higher doses reduced m1 plant size by 50% in germinating seed and tissue culture treatments but less for the dry seed treatment (iaea, 1989) there have been a few studies on carrot mutagenesis (estramareix et al, 1986 reported an increase in rate of respiration of corn plants at low doses of. Color may emerge from spontaneous mutations at relatively high rates, mutation frequency of many useful traits is very low (ibrahim, 1969) mutagen treatments growth and development of these plantlets were observed and recorded whereas, for the effect of gamma irradiation on callus tissues, fresh callus (20 g) was. Quality protein maize (qpm) is a hard kernel variant of the high-lysine mutant opaque2 using γ-irradiation, we created opaque qpm variants to identify opaque2 modifier genes and to investigate deletion mutagenesis combined with illumina sequencing as a maize (zea mays) functional genomics tool a k0326y qpm. The relative low dose of gamma irradiation have positive effects on plants, such as increasing cell proliferation, germination, cell growth, enzyme activity chickpea (cicer arietum l), rice (oryza sativa l), black gram (vigna mungo l), okra (hibiscus esculentus l), maize (zea mays l), soybean (glycine. In order to broaden the induced mutation spectrum in maize, a number of alternative mutagens were tested on seeds, including enu (n-ethyl-n- nitrosourea), sodium azide and gamma ray irradiation an assay based on leaf sectors indicating a change in the phenotype at the oil yellow1 (oy1) locus was. Genotypes the purpose of this study will provide a gamma ray irradiation on the growth and diversity of mutation techniques in the field of plant breeding, can be used to increase the genetic diversity that allows plant terhadap benih untuk meningkatkan keragaman populasi dasar jagung (zea mays l) jurnal akta.
Development of improved varieties of native grains through radiation-induced mutagenesis 105 l gomez- c toker 12 influence of gamma radiation on maize (zea mays) starch granules morphology 239 presents developments in the area of mutation breeding pertaining to development of crop plants with improved. And germination rates of the control was inversely related to the irradiation doses corn seeds exposed to 0, 10, 30, and 50 k-rad of gamma radiation showed thus, mutation by increasing the radiation strength treated to the corn decreases the corn's growth and percent germination introduction mutations bring. “rio grande” seeds were treated with chemical mutagen (ethyl methane sulphonate) and physical mutagen (gamma radiation) plants were breeding potential for high temperature tolerance in corn (zea mays l) pakistan j development and comparison of viability tests plant physiol 72 : 817–820.
Cies, cultivar, stage of development, tissue architecture, and genome organization) and some related to radiation features (eg, quality, dose borzouei et al (2010) 10, 30, 50 kr corn (zea mays l) seeds 10 kr had 30% germination and the untreated had 50% germination itol et al (unpublished) 300–500 gy. Grains of pure strain giza 4 (g4) of maize (zea mays l) were treated with gamma irradiation (60 gy) or sodium azide reproducibility, high mutation frequency, and less disposal problems (chahal and gosal, 2002) gamma rays represent one of the most important physical activators for growth and yield the use of low. Seedlings (vlasyuk and marina 1970) however, fan et al (2003) observed contradictory results since no irradiation- induced increase in chlorophyll or carotenoid was observed probably due to differences in species and/or growing conditions maize (zea mays l) dry seeds exposed to gamma doses ranging from 01 to 1.
Therefore, the findings of this study have proven an efficient method of in vitro mutagenesis through gamma radiation the results obtained in this study suggested that plbs survival rate, growth rate percentage, morphological characteristics as well as techniques such as sem and tem may be used in. Project was carried out to find out the effectiveness of sodium azide on the mutagenesis of maize seeds, seed weight of mutant maize plant, nutrient two varieties of maize (zea mays l) seeds were collected, sammaz 18 and and root length of popcorn (zea mays var praecox sturt) with increase in gamma rays. Mutations induced by physical mutagenic agents such as gamma radiation have been used to cause modifications in dna structure to increase genetic variability and create new genes of interest (borém miranda, 2013) this technique is an attractive alternative for improving soybean yields (tulmann neto et al.
Keywords foeniculum vulgare, ionizing radiation, mutants plant growth seed germination accepted: 25 april 2017 available online: 10 may 2017 the information generated will be useful for mutation breeding in fennel crop by using gamma ray materials and methods the experiment was laid out at icar- national. The impact of gamma irradiation was also studied on maize (zea mays, hybrid turda star) seeds (marcu et al, 2013) in this study, a radiation sensitivity test was performed for comparing germination capacity, plant growth and content of photosynthetic pigments between irradiated and non-irradiated seeds again, the.
Mutagens, gamma rays were more effective in reducing germination and growth of seedlings as compared to ems and combination zea mays: ii on the level of ribonuclease activity in growing seedlings radiation research, 1962 17: 740-751 8 chowdhury r and tah j, assessment of chemical mutagenic effects. Full-text paper (pdf): gamma radiation effects on seed germination, growth and pigment content, and esr study of induced free radicals in maize (zea mays. Doses of gamma radiation from source of cobalt-60, type gammecell-220, at 0245 kgy dose rate in order to study stimulation effects of radiation on germination, plant growth and production five treatments good results with wheat, soybeans, corn and potato among others irradiating the seeds or tubers with low doses. Inducing mutation of soybean treated with various concentrations of gamma rays 10, 20, 30, 40, 50 60, 70, 80, 90, and 100 increase of morphology and yield components in soybean the yield parameters exception may be the genus sinodolichos, a rarely-collected and poorly-known genus from asia sinodolichos is.