the main purpose of this study was to investigate the constrains related to production of flowers and ornamental plants in viewpoint of floriculturists in mahalat county. the statistical population of study consisted of all the floriculturist (n= 420) working in mahalat county a sample of 100 floriculturists was selected by use of cochran formula and random sampling technique. a questionnaire w...

Common green ti plants (Cordyline fruticosa L.) in Hawaii can be infected by four recently characterized closteroviruses that are tentative members of the proposed genus Velarivirus. In this study, a reverse-transcription polymerase chain reaction (RT-PCR) assay developed to detect and distinguish Cordyline virus 1 (CoV-1), CoV-2, CoV-3, and CoV-4 was used to determine: (i) the distribution of ...

Various colored cultivars of ornamental flowers have been bred by hybridization and mutation breeding; however, the generation of blue flowers for major cut flower plants, such as roses, chrysanthemums, and carnations, has not been achieved by conventional breeding or genetic engineering. Most blue-hued flowers contain delphinidin-based anthocyanins; therefore, delphinidin-producing carnation, ...