Purple Kush is one of the most potent strains of marijuana.

It was a new and potent strain of a very old disease, called Things Are Getting Worse.

Indoor marijuana growers can improve quality, speed up production and create highly potent strains that threaten to make bad pot a thing of the past.

The culprit is a potent new strain of the sweet potato whitefly, an old foe of farmers.

Patients who use some of the newer, more potent strains of marijuana need to inhale even less noxious smoke.

"It has the same free-flowing space, but it's a completely different strain of Modernism, equally potent."

G-13 is an extremely potent strain of cannabis.

Before she died, your mother developed an unusually potent strain of the flesh-eating bacteria.

Nicotiana rustica is the most potent strain of tobacco known.

The effect is rather like exploring catacombs to a faint but potent strain of melody from a far-off transistor radio.