Based on its usefulness can be grouped into three namely the rose blushes because ordinary distilled essential oil fraction is taken, or ornamental flowers for a bouquet of cut flowers and potted roses or a rose garden. Species roses are generally a thorny plant shrubs or climbing plants that height can reach 2 to 5 meters. Although rare, high-climbing rose plants in other plants can reach 20 meters.
Roses can be plagued with several diseases such as leaf rust which is the most serious disease. The cause is a fungus that causes hair loss Phragmidium mucronatum leaf. The disease is not so dangerous like Wheat mildew caused by the fungus Sphaerotheca pannosa, while Black Spot disease marked the emergence of black spots on leaves caused by fungi Diplocarpon rosae. Rose also is food for the larvae of some Lepidoptera species.
Roses can be plagued with several diseases such as leaf rust which is the most serious disease. The cause is a fungus that causes hair loss Phragmidium mucronatum leaf. The disease is not so dangerous like Wheat mildew caused by the fungus Sphaerotheca pannosa, while Black Spot disease marked the emergence of black spots on leaves caused by fungi Diplocarpon rosae. Rose also is food for the larvae of some Lepidoptera species.
Tidak ada komentar:
Posting Komentar