1/19/2024 0 Comments Blight resistant tomato varietiesA hybrid refers to a specific cross a plant breeder made to come up with an improved variety. The term “hybrid” is often used in describing tomatoes. Days to harvest is best used to compare varieties and not as a firm predictor of your first harvest. Under our conditions, that 70 day variety may take closer to 80 days. Obviously, we don’t have these ideal temperatures early in most seasons in upstate New York. Yes, a 70 DTH variety may take that long if weather conditions are perfect, with temperatures of 75F to 80F days and 65F at night. Typically, the DTH runs from around 65 days for early tomatoes and up to 85 days for late varieties.īe aware that DTH is an approximation. These are approximations of how long it takes to get ripe fruit from the time you plant transplants in your garden. But a 5- to 6-foot stake is best for large indeterminates.Īnother thing to look for is the “days to harvest” (DTH) or “days to maturity” (DTM). A 3- to 4 -foot stake may be fine for a determinate type. They keep growing, flowering and fruiting until they are killed by the first fall frost.īoth types benefit from staking or caging, keeping the plants upright and not sprawled on the ground. It reaches that that size and tends to fruit during a relatively short period of time. A determinate plant is typically smaller. Let’s start with plant type, described as determinate or indeterminate. If not looking for a particular variety, perhaps it’s a particular fruit size you’re after – one that is big, and perfect for sandwiches, a small cherry to toss into salads or maybe a tomato perfect for making sauce. Experienced gardeners may be looking for something specific – maybe a common variety like ‘Brandywine’, ‘Big Beef’ or ‘Roma’. The first thing you will see is the variety name. In addition to the variety name, there are usually descriptions of plant size, fruit size and color, days to harvest and more. It often contains a lot of useful information. When you buy your transplants, don’t throw away the label inserted in the cell pack. You’ll have fewer choices when buying transplants, maybe a few dozen or so. One of the advantages of growing your own is the tremendous number of varieties to choose from. If you haven’t started any inside, you will likely be purchasing your transplants from a garden center, farmers market or big box store. In a few weeks, it will be time to plant tomatoes. Read more articles from 2021 | Read articles from 2020 | Visit Cornell's Garden-Based Learning website This is part of a series of columns that he wrote about vegetable gardening during the pandemic. Nematodes (N) are microscopic worms that attack roots, and again, effect a plant’s plumbing by restricting water and nutrient absorption by the roots.īlight tolerant varieties – blight is a most serious fungal disease as it spreads easily and can destroy all your plants in a couple of weeks! Legend, Ferline F1 and Losetto F1 are blight tolerant and put-up some resistance – but they are not totally immune.By Steve Reiners, Professor and Chair, Horticulture Section, School of Integrative Plant Science, Cornell University, Cornell AgriTech. The two wilts (V+F) are fungal diseases that stop-up a plant’s plumbing. There are many diseases that affect tomato plants but here are a few very common ones:ĭisease resistant codes such as VFN = Verticillium Wilt, Fusarium Wilt and Nematodes are often mentioned or listed on seed packets – Roma VF for example However, for the home gardener, a little understanding of diseases and how to avoid them, will go a long way. If growing outside each season, and in the same soil, a grower will have a good idea “what lurks beneath!” and how to combat it. Professional tomato growers are very conscious of the diseases that are likely to affect their plants.
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