11.   The spray protects plants from attacks by many common pests.

12.   Already, some farmers have been switching to more lucrative crops like soybeans and the pepper plant from which paprika is derived.

13.   Also, excessive shade can prevent plants from flowering.

14.   Altering Martian soil to support plants from Earth may be a solution.

15.   And critics are saying laws to protect the plant from poachers and developers should go further.

16.   And much of the Everglades has been taken over by exotic plants from abroad, which are crowding out native species.

17.   And the Superfund designation would mean years of litigation that could keep the plant from reopening, Fish said.

18.   Anderson grows several hundred types of plants from seed for the TV show.

19.   Anxiety about a genetic engineering technique that prevents plants from germinating has prompted the U.S. government to clamp down on the scientists working on it.

20.   ASU Professor Martin said people need to appreciate the cycles of plants from arid climates.