Fixing tomato blight11/14/2023 No, this is not the next zombie movie the ‘tweens are watching. If the plant is not blooming during these periods, you have nothing to worry about however, if your flowers are dropping mulch to maintain moisture. Hot drying winds can intensify the problem. If the nighttime temperatures drop below 55Â☏ or if the daytime temps are higher than 95Â☏ with nighttime temperatures that don’t drop below 75Â☏, this can trigger blossom drop. #3 Flower Dropsyįlowers that form but drop before fruiting indicates that your weather is fluctuating too much. Use a fertilizer that is low in nitrogen and high in phosphorous. Lime will sweeten the soil and composted leaves will make it more acidic. Too much nitrogen or soil that is too acidic or alkaline will limit the plant’s ability to absorb nitrogen. If you don’t think fluctuation in moisture is the cause, get your soil tested. Lesson is, reduce extreme swings in moisture – avoid allowing them to wilt or overwatering tomato plants. The rot looks like pale, brown spots that turn black and flatten the bottom of the fruit due to a lack of calcium or uneven moisture. #2 Blossom-End Rotīlossom end rot sounds like it should be terminal, but a tomato plant can usually pull itself out of this nosedive. If you think that you have Late Blight, same treatment – discard infected plants in the trash and don’t compost. Like Early Blight, Late Blight is also preventable by rotating your crops annually and by maintaining good air circulation around your plants. The fungus is normally present when the weather is very wet enabling the spores to travel far infecting large areas. Late Blight starts with leaves that appear water-soaked later turning brown and papery. Rotate your planting areas and space the plants to allow for good air circulation. The best solution is to clean up old vines when the season ends, dispose of in the trash and don’t add it to compost pile. You will know it’s Early Blight when you see blackish-brown spots on the leaves, leaf drop off or see “sunburned” fruit. I’ve compiled my hit list of the 9 most common tomato maladies to watch for since forewarned is forearmed! #1 Blights – the Quasimodos of Tomato Pathology!Įarly Blight is a fungus that survives the winter on old vines and then rears its ugly head on your new plants. I’ve learned that maximizing soil quality and paying attention to my tomatoes daily will yield the best crop. I am serious when it comes to my tomato patch.
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