Using compressed helium, the gun shoots the microscopic gene-bearing balls into sweet potato leaves.
The introduction of the sweet potato in China helped lead to a population boom.
For three years Wambugu labored in Monsanto's labs, trying to splice genes for viral resistance into the sweet potato.
"I am going to have farmers plant sweet potato and water spinach at Malacanang's nine-hole golf course, " he says.
The pub serves school staples including fish fingers, chips and pizza as well as pasta and sweet potato casserole.
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She noticed that if she dipped a sand-covered sweet potato in the water, she could clean it much faster.
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On a continent where population growth outstrips food supply growth by 1% a year, Wambugu's modified sweet potato offers tangible hope.
For a main dish, the duck curry is a wonderful collision of succulent duck leg, crispy fried pork, sweet potato, green beans and pineapple.
The sweet potato is sub-Saharan Africa's first genetically modified crop, and its yields so far are double that of the regular plant.
Africa's year-round tropical temperatures offer no winter to freeze off disease cycles, so each year nearly half the sweet potato crop fails.
"The sweet potato is a woman's crop, a security crop, " Wambugu says.
Yet in this vastly changing landscape of food, I have tried all different kinds: zucchini, beet, sweet potato, celery root, and apple-horseradish.
The researchers also found samples of sweet potato and bean starch grains.
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Into the sweet potato she spliced a gene from the pyrethrum, a white flower whose ingredients are fatal to insects and the feathery mottle virus.
All participants will receive a coupon for a FREE small Sweet Potato Waffle Fry or small Crinkle Cut French Fry with a purchase.
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Each dish includes a pork, beef or vegetarian sausage, a warm homemade bread bun and simple but well-executed sides including coleslaw, potato tots or sweet potato fries.
Best bets: heirloom squash and chestnut soup, coriander-seared duck breast with roasted parsnip and sweet potato sauce, pan-seared trout with sweet pea and corn pancakes.
The gun shoots the microscopic gene-bearing balls into sweet potato leaves.
Other top choices are the oyster bocata (sandwich) with barbecued foie gras and homemade sweet potato bread, and the playful chorizo lollipop filled with quince jelly and goat cheese.
Into the sweet potato she has spliced in a gene from the pyrethrum, a white flower whose ingredients are fatal to insects and the feathery mottle virus.
Her flavors run the gamut from simple -- organic potatoes, carrots and peas -- to adventurous -- such as organic adzuki beans and sweet potato porridge.
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In the southern city of Kagoshima they deep fry slices of the local bumper crop, sweet potato (sometimes chocolate-dipped, which admittedly elminates many of the health benefits).
One night for dinner in the sand she made me (and a few others, but it felt personal) lobster with sweet potato salad and roasted beet quinoa with pink tahini dressing.
Ms. Eason makes a really good sweet potato pie.
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Riding through the streets of the Condesa neighbourhood, for example, you encounter roving marimba players and the sweet potato vendor who pushes around a mobile oven with an ear-piercing steam whistle to herald his arrival.
And when it's time to combine the two, the chef suggests straining the sweet potato mixture by mashing it down into the strainer with a metal ladle, to keep any chunky bits from getting into the pie.
Corn, sweet potato sprinkled with cinnamon, rice and beans, garlic, avocado, and codfish all get whipped into ice cream, as well as what seems like almost every available seasonal fruit, including quenepa, which only exists on the island.
Recent crowd pleasers include korokke (Japanese-style sweet potato cakes), casado (a Costa Rican meal of steak, rice, black beans, plantains and salad) and chicama cerviche de mero (grouper cerviche with passion fruit, japanese cucumber, red pepper, guava, red onion and tiger milk).
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