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  2. Calcium deficiency (plant disorder) - Wikipedia

    en.wikipedia.org/wiki/Calcium_deficiency_(plant...

    Calcium deficiency symptoms appear initially as localized tissue necrosis leading to stunted plant growth, necrotic leaf margins on young leaves or curling of the leaves, and eventual death of terminal buds and root tips. Generally, the new growth and rapidly growing tissues of the plant are affected first.

  3. Physiological plant disorder - Wikipedia

    en.wikipedia.org/wiki/Physiological_plant_disorder

    Symptoms will often appear overnight, affecting many types of plants. Leaves and stems may turn black, and buds and flowers may be discoloured, and frosted blooms may not produce fruit. Many annual plants, or plants grown in frost free areas, can suffer from damage when the air temperature drops below 40 degrees Fahrenheit (4 degrees Celsius).

  4. List of poisonous plants - Wikipedia

    en.wikipedia.org/wiki/List_of_poisonous_plants

    anthurium, tailflower, flamingo flower Araceae: Anthurium plants are poisonous due to calcium oxalate crystals. The sap is irritating to the skin and eyes. [48] Aquilegia spp. columbine Ranunculaceae: Seeds and roots contain cardiogenic toxins which cause both severe gastroenteritis and heart palpitations if consumed.

  5. Bitter pit - Wikipedia

    en.wikipedia.org/wiki/Bitter_pit

    This involved dipping the fruit in the calcium solution and rinsing in water after about 36 hours. [18] [19] This treatment has been confirmed by independent workers and has generally been adopted in Australia and New Zealand. Postharvest dipping in a calcium solution has been recommended in some other countries where bitter pit is severe. [20]

  6. Pesticide poisoning - Wikipedia

    en.wikipedia.org/wiki/Pesticide_poisoning

    The third type of poisoning is a long-term low-level exposure, which individuals are exposed to from sources such as pesticide residues in food as well as contact with pesticide residues in the air, water, soil, sediment, food materials, plants and animals. [1] [2] [3] [4]

  7. Mineral deficiency - Wikipedia

    en.wikipedia.org/wiki/Mineral_deficiency

    Mineral deficiency is a lack of the dietary minerals, the micronutrients that are needed for an organism's proper health. [1] The cause may be a poor diet , impaired uptake of the minerals that are consumed, or a dysfunction in the organism's use of the mineral after it is absorbed.

  8. Calcium deficiency - Wikipedia

    en.wikipedia.org/wiki/Calcium_deficiency

    Calcium deficiency may refer to: Calcium deficiency, a plant disorder that can be caused by insufficient calcium in the growing medium, but is more frequently a product of low transpiration of the whole plant or more commonly the affected tissue; Hypocalcaemia, the presence of low serum calcium levels in the blood

  9. Pyrrolizidine alkaloidosis - Wikipedia

    en.wikipedia.org/wiki/Pyrrolizidine_Alkaloidosis

    Pyrrolizidine alkaloidosis poisoning in the United States has remained moderately rare among humans. The most common reports are the outcome of the misuse of medicinal home remedies, or the alkaloids are present in food and drink substances such as milk and honey when the animal carriers were exposed to the toxins.