<i>In vitro</i> radio-sensitivity (Gamma irradiation) of some juice and wine making grape genotypes

Dev, Rahul; Singh, Sarjinder; Singh, Ashish; Verma, Manjusha; Kalpana, M.

doi:10.5958/0974-0112.2016.00071.2

Cited by 2 publications

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This can be substantiated by the hormesis phenomenon which is defined as the stimulating effect on living organisms for low levels of any factors that inhibit growth and development at higher levels (Amirikhah et al, 2021). Increased plant growth has been reported at lower doses of gamma rays in many crops such as grapes (Dev et al, 2016) and Lathyrus (Beyaz et al, 2016). Even though lower doses of gamma rays induced different growth characteristics in seedlings, this is normally associated with low mutation frequencies (Mba et al, 2010).…”

Section: Resultsmentioning

confidence: 99%

Mutagenic effectiveness, efficiency and dose optimization of gamma rays in papaya (Carica papaya L.) varieties

2022

EJPB

View full text Add to dashboard Cite

The present study was conducted to determine the mutagenic effectiveness, efficiency and lethal dose of gamma rays in papaya varieties CO7, Arka Prabhath and Arka Surya. Papaya seeds were exposed to various doses of gamma rays (0Gy, 100Gy, 150Gy, 200Gy, 250Gy, 300Gy, 350Gy, 400Gy, 450Gy and 500Gy) and the mutagenic effectiveness and efficiency of gamma rays were assessed based on the chlorophyll mutation frequency and biological damage in M 1 plant basis. There was a negative relationship between mutagenic effectiveness and efficiency with the doses of gamma irradiation. LD 50 value was optimized in CO7, Arka Prabhath and Arka Surya as 354, 348 and 341Gy respectively. Generally, the germination, survival and growth rate of papaya decreased with an increase in gammairradiation doses. Lower doses of mutations created very few mutations and higher doses of gamma irradiation induced lethality and sterility of seedlings whereas, lethal dose 50 has proved to be more effective in inducing desirable mutations in papaya. Since identifying the mutagenic efficiency and effectiveness of the mutagen and optimization of lethal dose is the preliminary step in any mutagenic experiment, this study will offer a foundation for further gamma irradiation studies in papaya to develop desirable mutants.

show abstract

Section: Resultsmentioning

confidence: 99%

Mutagenic effectiveness, efficiency and dose optimization of gamma rays in papaya (Carica papaya L.) varieties

2022

EJPB

View full text Add to dashboard Cite

show abstract

“…A previous study on Bacopa monnieri (L.) Pennell [29] revealed that the addition of AC at concentrations ranging from 0.5 to 2.0 g/L, enhanced root formation. Medium supplemented with AC was important not only for promoting the rooting frequency but also for improving overall root quality, essential for subsequent ex vitro survival [30,31]. The use of different MS strengths was discussed by Woldeyes et al [32] for rooting of Abelmoschus esculentus (L.) Moench (Okra).…”

Section: Rooting Behaviourmentioning

confidence: 99%

Production of phenolics and flavonoids with antioxidant evaluations of Brunfelsia pauciflora (Cham. &Schltdl.) Benth. through in vitro propagated cultures.

Sayed

Marzouk²,

Sokkar

2022

Egypt. J. Chem.

View full text Add to dashboard Cite

The present study considered the in vitro propagation of Brunfelsia pauciflora utilizing various cytokinins, as well the estimation of the antioxidant, total phenolics (TPs), and flavonoids (TFs) for shootlets of each treatment. The explants were sterilized with 0.2% mercuric chloride (20 min) and then cultured on Murashige and Skoog medium (MS) supplemented with three cytokinins; benzyl aminopurine (BAP), 6-Furfuryl-aminopurine (Kin), and isopentenyl adenine (2iP) at different concentrations. The highest shootlets number and fresh weight were obtained using 1.0 mg/L BAP, while shootlets length is increased using 2.0 mg/L kin. Additionally, significant numbers of leaves were observed for the plantlets supplemented with kin (1.0 & 3.0 mg/L) and 2iP (2.0 & 3.0 mg/L). The shootlets were rooted one month later with different strengths (full, ¾, ½, or ¼) on MS media without or with 1.0g/L activated charcoal (AC). Shootlet cultured on full-strength MS medium with AC gave the longest root, while the greatest numbers of roots were recorded using ¾ strength without AC. All the rooted shootlets were acclimatized on peat moss and recorded with the longest root length and greatest leaves and roots numbers. Alternatively, the methanolic extract of shootlets supplemented with 2iP (3.0 mg/L) yielded the maximum antioxidant effect (89.89 ± 0.28 mg Trolox /g extract), TPs (57.574±0.82 mg Gallic/g extract), and TFs (46.146 ± 0.31 mg Catechin/g extract) compared with the control (MS free) and mother plant. In conclusion, the antioxidant potential was shown to be strongly correlated with the TFs and the number of leaves /shootlet.

show abstract

In vitro radio-sensitivity (Gamma irradiation) of some juice and wine making grape genotypes

Cited by 2 publications

References 0 publications

Mutagenic effectiveness, efficiency and dose optimization of gamma rays in papaya (Carica papaya L.) varieties

Mutagenic effectiveness, efficiency and dose optimization of gamma rays in papaya (Carica papaya L.) varieties

Production of phenolics and flavonoids with antioxidant evaluations of Brunfelsia pauciflora (Cham. &Schltdl.) Benth. through in vitro propagated cultures.

Contact Info

Product

Resources

About