Comment Report abuse. Learning about this disease is a must for tomato growers. It is a fungal disease that loves extended periods of wet weather. Box blight appeared in 1998 and its spread has been dramatic; box tree caterpillar was first reported in 2011 in the UK and is already established in some areas. However, there are steps you can take to identify and help manage these two box problems. - Amazon Fire HD 8 Tablet 64GB; $84 (save $35) - HP Pavilion x360 14 Convertible 2-in-1 Laptop; $646 (save $114) - HP Pavilion Desktop, 10th Gen Intel Core i3-10100 Processor; $469 (save $81) An infected plant typically develops pink pustules on underneath the leaves. Last year was a bad year for box plants, as box blight was one of the most commonly reported garden diseases, the RHS said. These are box blight and box tree caterpillar. [Day 1] Spray the box hedge with TopBoxus Xentari insecticide; I recommend using a 2L sprayer like this to save your hands [Day 1] Give the box hedge some food, use Buxus Fertilizer Sep 21, 2020 - People who grow tomatoes all know about tomato blight. Box bushes make a big matted tangle of roots below soil level and even the deadlier box blight does not easily kill them off. Box is the backbone of London gardens, whether as hedges or clipped into domes and spirals. These include Ferti-lome’s Broad Spectrum Landscape and Garden Fungicide and Bonide’s Fung-onil. This can over-stimulate the growth of the plant and create the conditions for box blight to reappear. You may be able to keep boxwood blight at bay on remaining unaffected foliage by spraying a chlorothalonil-containing fungicide every 7 to 14 days during the growing season when temperatures are above 60 degrees F. Reapply if it rains — the fungus thrives in warm, humid weather. Buy Compendium of Tomato Diseases (APS Disease Compendium Series) on Amazon.com FREE SHIPPING on qualified orders Compendium of Tomato Diseases (APS Disease Compendium Series): John Paul Jones, R. E. Stall, Thomas A. Zitter: 9780890541203: Amazon.com: Books Amazon's Choice for tomato blight spray. The plants may not die, but they will be weakened and will set fewer tomatoes than normal. Weather conditions have been very similar to last year when blight was really bad – a warm, wet autumn. Boxwood blight is caused by the fungal pathogen Calonectria pseudonaviculata (synonym Cylindrocladium pseudonaviculatum), which causes leaf spots, stem cankers, defoliation, and death of boxwoods. » Box has been popular in Disease control can be successfully maintained with the correct treatment. The leaves yellow and fall off the plant and in severe cases cankers can develop on the branches and trunk. 5.0 out of 5 stars Great deal. Box blight, unsurprisingly, affects box hedging.Sometimes called boxwood blight, it is actually caused by two different strains of fungi, both believed to lie dormant in dead leaves and produce spores … If you’re unaware of this nasty little infection, it’s a nearly impossible-to-cure disease that can ruin crops in a matter of weeks. box blight (buxus), potato blight and rose black spot. Tomatoes are one of those plants most of us love to grow, but they’re often susceptible to fungal diseases like early blight, late blight, leaf mold, fusarium wilt and more. After touching the plant that is affected, make sure to wash your hands really well with soap and water so that it does not spread further. Potato blight is a fungal disease that can affect all members of the Solanaceae family, such as tomatoes, chillis, and eggplants, in addition to potatoes.