A tale of two fruits

The news a few days back that climate change is affecting the quantity and quality of the mango harvest in India was followed today by similar worries about cherries in Italy. I wonder. There’s no real evidence presented that these difficulties are part of a long-term trend. But it would also be interesting to know if different varieties are reacting in different ways. For example, how are the last four remaining trees of the Noor Jahan mango variety coping?

Sorghum endures

How much crop genetic diversity have we lost? At one level, the question is easy to answer: three quarters over the last century. That’s certainly the number that’s most often quoted.

But that doesn’t make it right. In particular, I have it on very good authority that the figure may in fact be traceable back — a la Chinese whispers — to a statement in Fowler & Mooney’s 1990 book Shattering: “As the mid-1970s were reached, three-quarters of Europe’s traditional vegetable seed stood on the verge of extinction.”

Not quite the same thing. Anyway, be that as it may, the existence of a dominant narrative hasn’t stopped people going out into the field and — the horror! — actually collecting data.

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