They said death metal was the best I think.. that is what my friend said, but I have no seen the episode... I don't watch much TV. I remembered I had book on the mozart effect. I looked in the index for plant and this is what I found
Sonic Bloom:
Nature also responds to the Mozart Effect. Some of the most intriguing research in the field of healing with sound has explored the use of music to enhance plant growth. Dan Carlson is a pioneer in what is called sonic bloom. In 1960, when serving in the U.S. Army in Korea, he witnessed the horrors of food shortages and observed what people would eat when they ran out of staple crops. First, they'd eat the fruit or the full plant containing the seed; then the stalks or vines; and, finally, the roots. Within a couple of years, there was no food.
Carlson went back to his home in Minnesota and contemplated ways to improve plant growth, not only by enriching soil, but also by strenthening the mouthlike openings in leaf structures. He thought it might be possible for plants to select what they needed to grow best rather than being force-fed (as the apostles of new chemical soil supplements preached). He began to experiment with the idea that sound would prompt plants to open, and discovered that plants grew best in the early morning when the birds were singing. Then it hit him. Perhaps certain types of music or nonmelodic sounds would stimulate plant growth. Carlson devised cassette tapes that contained nonmusical sounds *that is, sounds that we don't consider true melody). He found a specialist in Minneapolis, Michael Holtz, who confirmed that certain music has vibrations and frequencies in common with birdsong. One of the first types of music he found to which plants seemed to respond is played by the sitar, the traditional stringed instrument from India. The sound of the sitar is not for all Western ears, but plants cant seem to get enough of it.
Meanwhile, Dorothy Retallack, a grad student at Temple Beull College in Denver, also began to experiment with plants and music. She construced five small greenhouses and placed corn, squash, marigolds, zinnias, and petunias inside. The greenhouses were all the same size and received the same lighting, water, and soil. For several months, she played different types of music to plants in four of the chambers. (As a control, the fifth had no sounds piped in.) One group of plants got Bach, the second Indian classical music, the third loud rock, and the last country-western. She found that Bach and Indian music stirred the growth of the plants dramatically. The flowers were more abundant, and the vines even grew toward the speakers. In the rock and roll greenhouse, all was not well: There were many fewer flowers, and the plants didn't lack's surprise, she found that the plants developed almost identically to those in the house where there was no music at all.
The book is the mozart effect: tapping the power of music to heal the body, strengthen the mind, and unlock the creative spirit
