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But that gloomy prospect could be altered dramatically if the world adopted a novel but simple strategy: supplement the annual food crops that will soon be unequal to the task of sustaining us with improved perennial plants such as food-bearing and bioenergy-producing trees, shrubs, forbs, and grasses.
Choose your free plant from over 20 hardy perennial plants from the new Dobbies Essentials range.
Growing tips: This herbaceous perennial plant likes moisture, fertile soil, and cooler temperatures, so plant in a low-lying area with full sun or partial shade with 8-12" spacing.
It is a fast-growing perennial plant that can be successfully grown in plantation conditions at high yields.
This plant is a short-lived herbaceous perennial plant in the family Polemoniaceae.
Pyrethrum (Chrysanthemum cinerariafolium) is a perennial plant cultivated for the extraction of pyrethrins, or the six esters that compose it, which are a group of chemical ingredients of acids and alcohols used for the manufacturing of insecticides.
Specifically, glycosides from the bulbs of Ornithogalum saundersiae, a perennial plant native to southern Africa, exhibit "potent cytotoxic activities against various human malignant tumor cells," particularly lung and blood cancers.
E-Grass (Arundo Donax or Giant Reed) is a perennial plant that resembles bamboo or sugar cane.
These credentials had already earned Rozanne the highly regarded RHS Award of Garden Merit and much sought-after (USA) Perennial Plant Association's Perennial Plant of the Year (2008).
To get gardeners started, free seed sachets containing golden rod, a perennial plant that supports pollinating insects including bees, will be available with the first 20,000 leaflets.
For the great potential of perennial grain crops to be realized, more resources are needed to accelerate plant breeding programs with more personnel, land, and technological capacity; expand ecological and agronomic research on improved perennial germplasm; coordinate global activities through germplasm and scientist exchanges and conferences; identify global priority croplands; and develop training programs for young scientists in ecology, perennial plant breeding, and crop management.
Zanthalene is obtained from a perennial plant native to China and is widely used there as a spice to reduce the irritating properties of some foods and as a treatment for gastrointestinal pain.