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Nutrient deficiency in tomato leaf

Garden Proble Guide is part 16 of The Alabama Vegetable Gardener series.

There are a number of common garden problems that challenge novice and veteran gardeners alike.  Learn more about these problems and possible cures.

Garden Problem Guide

SymptomsPossible CausesPossible Cures
Dying young plantsFertilizer burnMix fertilizer thoroughly with soil.
Dying young plantsSoilborne diseases (damping-off)Use treated seed.
Stunted plants (pale to yellow)
Herbicide injury
Low soil fertilitySoil test for fertilizer recommendations.
Stunted plants (pale to yellow)
Herbicide injury
Poor soil drainageAdd organic matter.
Stunted plants (pale to yellow)
Herbicide injury
Shallow or compacted soilWork soil deeper.
Stunted plants (pale to yellow)
Herbicide injury
Insects or diseasesIdentify and use control.
Stunted plants (pale to yellow)
Herbicide injury
NematodsUse approved chemicals.
Stunted plantsLow temperaturePlant at recommended time.
Stunted plantsLow pHAdd lime.
Purplish colorLack of phosphorusAdd phosphorus fertilizer.
Holes in leavesInsectsIdentify and use control measures.
Holes in leavesHailBe thankful it was not worse.
Spots, moldsDiseaseIdentify, spray, or dust; use recommended rate and time.
Spots, moldsChemical burnUse recommended chemicals at recommended rate and time.
Spots, moldsFertilizer burnKeep fertilizer off plants.
Darkened areas on leaves and stemsChemical burnUse recommended chemicals at recommended rate and time.
Darkened areas on leaves and stemsFertilizer burnKeep fertilizer off plants.
Wilting plantsDry soilIrrigate, if possible.
Wilting plantsExcess soil moistureAvoid overwatering.
Wilting plantsDiseaseUse resistant varieties, if possible.
Weak, spindly plantsToo much shadeMove garden to sunny area.
Weak, spindly plantsPlants too thickSeed at recommended rate.
Weak, spindly plantsToo much nitrogenAvoid excess fertilization.
Failure to set fruitImproper temperaturesFollow recommended planting time.
Failure to set fruitToo much nitrogenAvoid excess fertilization.
Failure to set fruitInsectsIdentify and use control measures.
Dry brown to black rot on blossom end of tomatoLow soil calciumAdd gypsum.
Dry brown to black rot on blossom end of tomatoExtremely dry soilIrrigate and mulch.
Misshapen tomatoes (catfacing)Cool weather during bloomingPlant at recommended time.
Abnormal leaves and growth2,4-D weed killerDo not use sprayer previously used to apply 2,4-D.
Abnormal leaves and growthVirus diseaseRemove infected plants to prevent spreading. Control insects that transmit the virus.
Cracked tomatoesDrought followed by heavy watering or rainKeep plants mulched and watered.

 

 

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ANR-0479

 

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