The terms also have been applied to certain plant movements.
Similar structures occur in certain plant species after virus infection.
"If I want a certain plant, I'll get it, unless it costs thousands of dollars.
High humidity, however, also creates conditions favourable for the development of certain plant diseases.
Another metabolic cycle, the isoprenoid pathway, produces essential oils, carotenoid pigments, certain plant hormones, and rubber.
They will be quarantined for two years to make sure they do not carry certain plant diseases.
Afterripening, also called Dormancy, complex enzymatic and biochemical process that certain plant embryos must undergo before they will germinate.
Prolonged exposure to certain plant and animal dusts can cause asthma, even in people without a predisposition for allergies.
Epipedons are characterized by their colour, texture, structure, and content of organic matter and certain plant nutrients (e.g., calcium, phosphate).
Viroid, an infectious particle smaller than any of the known viruses, an agent of certain plant diseases.
Vitamin E, a fat-soluble compound found principally in certain plant oils and the leaves of green vegetables.
