She provided the example of the kiwi fruit, which was introduced to the U.S. without testing and has since been found to be allergenic.

FORBES: Connect

But California's farmers should look twice: so successful was the New Zealanders' initiative that producers in other parts of the world started growing kiwi fruit and flooded the market.

ECONOMIST: What��s black and wrinkled?

She said tests still showed that 72% of apples and 81% of pears have residues, and that it had been reported that 61% of grapes and 63% of kiwi fruit contained toxic chemicals.

BBC: Vegetables

After all (as the board points out), it worked for the Chinese gooseberry, a hairy rarity until New Zealand's farmers banded together and propelled the kiwi fruit on to the world's dessert trolleys.

ECONOMIST: What��s black and wrinkled?

Omega-3s are found in oily fish such as salmon, as well as in walnuts and kiwi fruit, and there is a strong negative correlation between the extent to which a country consumes fish and its levels of clinical depression.

ECONOMIST: Eat your way to a better brain

One victim was Luo Runxiu, a short-haired 56-year-old kiwi-fruit farmer with a broken leg, who was sharing a hospital room with three other victims.

WSJ: China Rushes to Show Quick Reaction to Quakes

In order to bear fruit, hardy female kiwi vines typically need a non-fruit-bearing male pollinator nearby.

WSJ: Who Put Lettuce in My Daffodils?