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Orange petunias were created in 1987 by a team of researchers at the Max Planck Institute for Plant Breeding Research in Cologne, led by geneticist Peter Meyer.In a paper published in Nature the same year, the researchers demonstrated that the insertion of a gene from maize into a petunia would cause the plant to produce pelargonidin, turning its flowers salmon. [1]
Petunia seeds germinate in 5 to 15 days. Petunias can tolerate relatively harsh conditions and hot climates. They need at least five hours of sunlight every day. They grow well in low humidity, moist soil. Young plants can be grown from seeds. Petunias should be watered once every two to five days. In drier regions, the plants should be watered ...
Petunias are generally insect pollinated, with the exception of P. exserta, which is a rare, red-flowered, hummingbird-pollinated species. Most petunias are diploid with 14 chromosomes and are interfertile with other petunia species, [ 9 ] [ 10 ] as well as with Calibrachoa .
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7 Ways To Soothe Your Skin After Sun Exposure Catherine Falls Commercial - Getty Images. With the heat of summer in full swing, you've probably already spent a decent amount of time in the sun ...
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Its leaves are oppositely arranged, around 2.5 inches long by 1 inch wide, and are light green to medium green with entire margins. The stems and leaves are covered with soft white hairs. The funnel-shaped 5-lobed flowers are about 1.5 to 2.5 inches in diameter and resemble petunias, as does the rest of the plant.