Word: tetra
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Four inches in diameter, deep orange in color, Tetra Marigold has heavy, vigorous petals which make the flower exception ally durable both on the stalk and after cutting. "The colchicine," explained Mr. Burpee, "has about the same effect on the marigold as spinach on Popeye the Sailor...
Last week David Burpee, enterprising Philadelphia horticulturist, announced a new marigold, created by means of colchicine. Ordinary marigolds have two sets of chromosomes in their germ cells; the new one has four. Such plants are called tetraploids. The name of the Burpee creation is "Tetra Marigold" - or Tetra for short...