نتایج جستجو برای: podosphaera pannosa on rosa sp
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Fourteen mite species of plant-associated mites of the suborder Prostigmata are reported from the Dominican Republic. Four of these refer to new findings for the country, including Petrobia (Tetranychina) hispaniola n. sp. Sánchez & Flechtmann, described from specimens collected from leaves of Citrus sp. (Rutaceae) and Rosa sp. (Rosaceae). A key for the separation of the world species of Petrob...
Chrysura baiocchii Rosa sp. nov. is described from Iran. Diagnosis of the new species-group Ch. baiocchii and discussions on Ch. radians group and Ch. genalis subgroup are given.
In order for rose plants to develop normally, one of the conditions is timely detection attacks damaging agents, an important place within which belongs phytopathogens Sphaerotheca Pannosa (Wallr.) Lev. Var. Rosae Woron and Diplocarpon Wolf. Quantifying effect attack pathogens pannosa rosae on monitored varieties, revealed changes in some biological failures related ratio length / width leaflet...
Pratylenchus vulnus is involved in a desease of Rosa noisettiana 'Manetti' rose rootstock characterized by darkening of roots, death of feeder roots, and stunting of entire plants. The disease is more severe when plants are grown in silt loam soil than when they are grown in sandy loam soil. The nematodes reproduce best in silt loam soil at 20 C. Meloidogyne hapla did not affect the growh of Ma...
Antioxidant and antibacterial potential of different solvent extracts of locally grown Hibiscus rosa-sinensis Linn was evaluated. The antioxidant activity was assessed by estimation of total flavonoids contents, total phenolic contents, DPPH free radical scavenging activity and percentage inhibition of linoleic acid oxidation capacity. Agar disc diffusion method was used to assess antibacterial...
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