نتایج جستجو برای: rhododendron spp
تعداد نتایج: 51934 فیلتر نتایج به سال:
Reliance on carbohydrates during flower forcing was investigated in one early and one late flowering cultivar of azalea (Rhododendron simsii hybrids). Carbohydrate accumulation, invertase activity, and expression of a purported sucrose synthase gene (RsSUS) was monitored during flower forcing under suboptimal (natural) and optimal (supplemental light) light conditions, after a cold treatment (7...
Leaf water potentials were estimated from the sum of the balancing pressure measured with a pressure chamber and the osmotic potential of the xylem sap in leafy shoots or leaves. When leaf water potentials in yew, rhododendron, and sunflower were compared with those measured with a thermocouple psychrometer known to indicate accurate values of leaf water potential, determinations were within +/...
Although Rhododendron is the most important host of Phytophthora ramorum in Europe, there is little scientific information about the susceptibility levels of different Rhododendron species and cultivars. Increasing this knowledge would help nurseries in the management of the disease and could be used by plant protection services to target their inspections. In this study a total of 80 Rhododend...
Kebun Raya Biologi Wamena (KRBW) merupakan satu - satunya kawasan konservasi ex-situ di ekoregion Papua yang terletak Kabupaten Jayawijaya. Sebagai kebun koleksi dataran tinggi, maka dipilihlah marga Rhododendron sebagai salah dari beberapa tumbuhan. Hingga saat ini, KRBW telah mengoleksi 8 jenis Rhododendron, artinya hanya 7,07% total tersebar Papua. Dari ini ditemukan 3 warna bunga yaitu kuni...
The effect of five fungicides and tea extracts was tested against anthracnose disease and leaf spot of Azalea during summer (2015) at the laboratory in Rasht Branch, Islamic Azad University. Commercially formulated fungicides at 1000, 2000 and 3000 ppm concentrations and the regression of normalized growth rate were used to determine the EC50. The application of different fungicides on Pestalot...
A new mycorrhizal fungal strain was isolated from hair roots of Rhododendron fortunei Lindl. grown in Huading Forest Park, Zhejiang Province, China. Morphological characterization and internal transcribed spacer rDNA analysis suggested that it belongs to Oidiodendron maius Barron, and we designated it as strain Om19. Methods for culturing Om19 were established, and the ability of Om19 to form m...
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