effect of beet mosaic virus on sugar beet seed yield in greenhouse condition
نویسندگان
چکیده
in order to study the effect of beet mosaic virus on sugarbeet seed yield, an isolate of beet mosaic virus was collected from sugarbeet fields in karaj and biologically was purified by inoculation on chenopodium amaranticolor and propagated on beta vulgaris cv. cicla under greenhouse conditions. the infected sap was inoculated on leaves of sugar beet 7233 variety at two stages, after and before vernalization using a randomized complete design. with 3 treatments and 4 replication. the results showed that infection of plants before vernalization had a serious losses on seed yield. seed production was decreased 43% as compared with healthy plants (checks) and showed significant differences with the control. also, stem length of the infected plants were 33.2% shorter than healthy plants as significant differences with the control. infection of the plants after vernalization had no significant differences with the control and yield losses were about 7%.
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عنوان ژورنال:
چغندرقندجلد ۱۸، شماره ۲، صفحات ۱۰۹-۱۱۸
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