September 02, 2009

With Tomatoes Failing, Why Are Mine Alive? I've seen many articles about the tomato blight hitting the northeast, though what I find curious are the plants that avoid it, like the sungold tomato above. It's a hybrid variety though not immune to late blight. In my community garden, many plants have succumbed to the disease but several in my plot are growing, the tomatoes maturing, including heirloom varieties. My yield though is down from last year. In my sheltered backyard, where I grow sungold and heirloom chocolate cherry tomatoes in large pots, with nary another tomato plant in sight, I've no blight at all. Is it the variety? Is it the sheltered location? My friend, Jim Crawford, a Pennsylvania organic farmer, says: "No question, location makes a huge difference." George Ball, who heads up Burpee Seeds, argues on his blog that heirlooms are least resistant to the disease: If the spring and summer of 2009 is followed in succession by similar seasons in 2010, 2011, 2012 and 2013, we could face a complete extinction of many—not all—of the old-fashioned heirlooms and open-pollinated tomato varieties that folks in the Northeast have come to enjoy since those varieties were reintroduced in the early 1980s. Now Burbee sells a lot of disease-resistant hybrids, which gardeners must buy each year because they are not open pollinated. But I see no reason why open-pollinated versions will fail to develop resistance on their own. Why not get a healthy heirloom standing tall in a field of failed plants and then breed it? That's...

Sam Fromartz

Writer, Journalist focusing on food, environment and bread

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