With more than 1,100 applications to grow legal marijuana in Washington, the state has no shortage of would-be entrepreneurs eager to jump into the new industry created by voters last year. But don’t expect the successful marijuana-growing businesses to feature aging hippies sporting tie-dyed shirts and vacant looks. Stringent state regulations for security, testing and tracking mean legal marijuana production will consist of more than planting a few seeds or cuttings, watching them grow and harvesting a crop in the backyard.