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We investigated the possible mediatory role of melatonin in protecting wheat plants from cold stress. Ten-day-old wheat seedlings were pretreated with 1 mmol l−1 melatonin for 12 h and subsequently exposed to stress conditions at 5/2 °C (day/night) for 3 days. Cold stress caused serious reductions in leaf surface area, water content, and photosynthetic(More)
The effects of nitric oxide (NO) on chilling tolerance (freezing injury, ice nucleation activity, contents of hydrogen peroxide and superoxide anion, and lipid peroxidation level) and the activities of apoplastic antioxidant enzymes (peroxidase and superoxide dismutase) were investigated in the leaves of maize (Zea mays) exposed to short-term chilling. NO(More)
We found mistletoe accumulates nutrient elements in its structure as a trap and causes a severe drought stress in the Scots pine in dry summer seasons. The mistletoe [Viscum album ssp. austriacum (Wiesbaur) Vollm.] is a hemiparasitic plant, and its infestation is known to play an important role on the mortality of Scots pines (Pinus sylvestris L.), but(More)
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