Search results
Results from the WOW.Com Content Network
Insects that affect roses are often considered pests. Aphids (greenfly) (order Hemiptera family Aphididae) Macrosiphum rosae – Likely to be found on new shoots and buds, aphids are soft bodied insects 1–2 mm long. Often green but occasionally light brown, and sometimes with wings, they may cover (in a colony) the complete growing tip of the ...
Rosa gallica, the Gallic rose, French rose, or rose of Provins, is a species of flowering plant in the rose family, native to southern and central Europe eastwards to Turkey and the Caucasus. Rosa gallica was one of the first species of rose to be cultivated in central Europe. [2] It is a parent of several important cultivars.
Such naturalised pests include Acaena, Cotoneaster, Crataegus, and Pyracantha. [10] In Bulgaria and parts of western Asia, the production of rose oil from fresh flowers such as Rosa damascena, Rosa gallica, and other species is an important economic industry. [12]
The Gallica, Gallica Hybrid, or Rose of Provins group is a very old class developed from Rosa gallica, which is a native of central and southern Europe and western Asia. [14] The "Apothecary's Rose", R. gallica varietas officinalis , was grown in the Middle Ages in monastic herbaria for its alleged medicinal properties, and became famous in ...
Rose growers recommend the use of fungicides [4] some of which may have health implications for the gardener. [5] Many cultivated roses are now bred to have resistance to rust diseases. In wild roses, Phragmidium infections are one of a normal range of pests and diseases which are part of the normal ecological pressures affecting all species.
The disease is found everywhere roses are planted, typically in epidemic proportions. [8] The water-borne dispersal methods allow it to infect a plethora of plants every growing season and increase the overall incidence of disease. Although Diplocarpon rosae does not kill the rose itself, it is known to completely defoliate the leaves of the ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Plants of the World Online currently accepts 108 genera. [1 ... A hybrid rose genus Rosa. Rhaphiolepis Lindl. Rhodotypos Siebold & Zucc. Rosa L. Rubus L. S ...