نتایج جستجو برای: toxicity to plants

تعداد نتایج: 10694236  

A greenhouse experiment with potted plants was conducted to study the effect of arbuscular mycorrhiza (Glomus intraradices) fungal inoculation on The growth, cadmium concentration and The activates of antioxidant enzymes (Superoxide Dismutase (SOD) and Catalase (CAT)) in sunflower and safflower in four levels of Cd (0, 2.5, 5 and 25 mg Cd kg-1 soil). Treatment were arranged in the experiment fa...

Selenium is an essential element in some organisms, but high concentrations can leading to toxicity in plant. Methyl jasmonate hormone plays an important role in defence processes. In this research, the effect of Methyl jasmonate (Me JA) and sodium selenate (Na2SeO4 ) on growth, content of pigments, phenol, anthocyanin and proline in tomato plants were studied. The seeds to germinate in petri...

B. Ahmad M. J. Hassan Q. Mahmood Z. Zhu

Cadmium (Cd) is among the most widespread and toxic heavy metal in several part of the world. Its toxicity in soil is becoming a severe threat to living organism worldwide. It is one of the main pollutants in paddy fields near industrial areas and highly toxic to plant growth and development of the plants. Cd can be easily taken up by plants and enter the food chain. Therefore, precautionary me...

2014
Bhumika Yadu Vibhuti Chandrakar

The fluoride ion (F) is widespread in the environment and toxic for all living organisms. Prolonged exposure to F leads to physiological, biochemical, and molecular modifications in plants. F is known as a potential metabolic inhibitor, interfering with the overall responses of plants including seed germination, growth and productivity, biomass accumulation, photosynthesis, enzyme activities, p...

Journal: :Bulletin of Environmental Contamination and Toxicology 2018

2011
Najmeh Shirvani Farsani Abbas Ali Zamani Saeed Abbasi Katayoon Kheradmand

The toxicity of aqueous extracts of two plants, Nicotiana tobacum and Eucalyptus globulus were investigated against second instar larvae of Lycoriella auripila, one of the most important pests of button mushroom, using agar dilution technique. Seven concentrations of aqueous extracts of both plants were applied on second instar larvae and their mortality were evaluated after 24, 48 and 72 h. Th...

Journal: :حفاظت گیاهان 0

indian meal moth, plodia interpunctella hubner is one of the most important stored-product insects that are controlled by fumigants. however, the use of plant essential oils and their constituents may have the advantage over conventional fumigants in terms of low mammalian toxicity and can be used as alternatives to conventional fumigants. therefore, in this research, repellent activity of 18 p...

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