نتایج جستجو برای: citrus orchards
تعداد نتایج: 21411 فیلتر نتایج به سال:
Abstract Citrus exocortis is a grafting disease caused by Exocortis Viroid (CEVd). The knowledge of the viroid’s incidence and distribution are necessary to further apply control measures. objective this work was real time PCR assay for detection CEVd in samples collected from symptomatic CEVd-infected plants Mitidja (North Algeria). showed an excellent diagnostic specificity where 38 out 50 po...
The citrus red mite, Panonychus citri (McGregor), is an important pest of in China, where pesticides are commonly used orchards. In order to reduce the use chemical against P. and development resistance, screening biological control agents has attracted attention students. this study, seven plant essential oils with high toxicity were selected from 40 by leaf-dip bioassay, including lemongrass,...
citrus blast caused by species of pseudomonas spp. is one of the most important citrus diseases in north of iran. this disease causes considerable losses to citrus orchards in conducive climatic conditions. due to restrictions on the use of antibiotics and chemical compounds, biological control and use of plant antimicrobial compounds can be an effective way to control citrus blast disease. in ...
The Citrus genus includes a large number of species and varieties widely cultivated in the Central Valley of California and in many other countries having similar Mediterranean climates. In the summer, orchards in California experience high levels of tropospheric ozone, formed by reactions of volatile organic compounds (VOC) with oxides of nitrogen (NOx). Citrus trees may improve air quality in...
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