Germination and seedling growth of Zea mays L. under different levels of sodium chloride stress

• Autorzy: Sozharajan R. , Natarajan S.
• Języki publikacji: EN

Abstrakty

EN

Salt stress is one of the most severe environmental factors that reduces and limits growth and development of plants. Abiotic stresses such as heavy metals, salinity, drought, temperature, UV-radiation, ozone causes drastic yield reduction in most of the crops. Especially salt stress affects around 20 of NaCl on germination and seedling growth of Zea mays L. Seeds of Zea mays were germinated in glass Petri- 100 × 15 mm diameter lined with blotting paper. Ten seeds were placed in each petri-dish. Petridishes were irrigated with 25, 50, 75, 100, 125, 150, 175 and 200 mM concentrations of NaCl. A control was moistened with ten milliliters of distilled water. The germination percentage, water absorption of the seeds, water uptake percentage and the growth parameters were observed. The results obtained showed that the inhibition of the germination percentage, germination rate, water uptake, growth and biomass accumulation of the seedlings were observed to decrease with increasing NaCl concentrations. At the highest level of stress both plumule and radical decreased significantly. The salt stress decreased seed germination, biomass and growth of maize seedlings due to ion toxicity, decrease osmotic potential and oxidative stress.

Słowa kluczowe

EN

germination; seedling; plant growth; Zea mays; seed; different level; sodium chloride stress; water content; inhibition

• Wydawca: -
• Czasopismo: International Letters of Natural Sciences
• Rocznik: 2014
• Tom: 07
• Opis fizyczny: p.5-15,fig.,ref.

Twórcy

autor

Sozharajan R.

• Department of Botany, Annamalai University, Annamalai Nagar - 608 002, Tamil Nadu, India

autor

Natarajan S.

• Department of Botany, Annamalai University, Annamalai Nagar - 608 002, Tamil Nadu, India

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