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