Is it Bugs, Fungus or Disease? Guess Again…

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Is is bugs, fungus or disease? Your plant’s condition may be the results of low nutrient levels. The nutrient levels in your soil affects the overall condition of your plant.

Here are a few tips that will help you easily identify macro-nutrient deficiencies in your plants.

  • Calcium (Ca)
    • Symptoms: New leaves are distorted or hook shaped.
    • Treatment: Any compound containing the word ‘calcium’. Also gypsum.

    Nitrogen (N)

    • Symptoms: Older leaves, generally at the bottom of the plant, will yellow. Remaining foliage is often light green. Stems may also yellow and may become spindly. Growth slows.
    • Treatment:  Any compound containing the words: ‘nitrate’, ‘ammonium’ or ‘urea’. Also manure.

    Magnesium (Mg)

    • Symptoms: Slow growth and leaves turn pale yellow, sometimes just on the outer edges. New growth may be yellow with dark spots.
    • Sources: Compounds containing the word ‘magnesium’, such as Epson Salts.

    Phosphorus (P)

    • Symptoms: Small leaves that may take on a reddish-purple tint. Leaf tips can look burnt and older leaves become almost black. Reduced fruit or seed production.
    • Treatment: Compounds containing the words ‘phosphate’ or ‘bone’. Also greensand.

    Potassium (K)

    • Symptoms: Older leaves may look scorched around the edges and/or wilted. Interveinal chlorosis (yellowing between the leaf veins) develops.
    • Treatment: Compounds containing the words ‘potassium’ or ‘potash’.

    Sulfur (S)

    • Symptoms: New growth turns pale yellow, older growth stays green. Stunts growth.
    • Treatment: Compounds containing the word ‘sulfate’.