Tomato blight, also referred to as potato blight, is a fungal condition which is the result of wet, damp weather and mostly affects tomato plants growing outside. Even so, greenhouses that are inadequately aerated can also be a reason for the appearance of blight, on account of high humidity and condensation. Tomato Blight Treatment Plan If blight has infected quite a few leaves the time has come to spray with Dithane 945 or apply Bordeaux Mixture. This can prevent the
Category Archives: Tomato Growing Problems
My plants have been rained on for the past two days, almost non stop! However, they are under cover, albeit a temporary effort, but it will keep them from wet leaves. Wet leaves for more than a day or two, will make plants vulnerable to fungal disease … the dreaded “tomato blight” which cannot be cured – only controlled. My outside plants are all under cover of some kind … it may not look very pretty but it works. Get
We are constantly told that tomato plants need lots of sun. Then, as soon as we get a spell of really hot, sunny weather, our young tomato plants, that are still in pots, get put in the hottest part of the garden. Unfortunately for the plants, they haven’t been able to get used to this kind of heat and also, haven’t been able to develop a root system that can cope with it. The result is often leaf stress, the
Someone recently wrote in with a tomato problem that I’m sure many people have experienced, including me! The question was: “Last year I had plenty of flowers on my tomatoes but a lot of them withered and dropped off without producing much fruit. Where did I go wrong?” The answer is: It’s called Blossom Drop – when flowers fail to set and are aborted by their plant. This happens for a number of reasons but mainly because air humidity is
It is the time of the season when almost every question I receive about tomato problems is about either: Rotten patches on the underside of tomatoes. Flowers drop off of their stems. The first is Blossom End Rot which is caused by calcium deficiency. Plants roots have been unable to absorb enough calcium (for some reason) and as the tomatoes swell, there isn’t enough calcium to complete the growth of the “blossom end” which is the underside of the tomato.
Image by ep_jhu via Flickr Planting at the right time to avoid problems is key to growing tomatoes successfully. The difficulty is getting the timing right so that the fruit muture before the first frosts. The following quote is true: . Because tomato plants are so reliant on warmth to produce fruit, even if the plant is put in the ground very early in the season the fruit still only starts to ripen at the peak of the summer with
One of the frustrations in growing tomatoes is when the flowers fail to set and just drop off of the stems. The failure of flowers to set fruit is caused by a number of reasons including: air too dry, or air too wet fo pollen to fertilise the flower. In order to avoid blossom drop tap plants regularly and in dry conditions give the flowers a misting of water. There was a time when we could rely on bees and