يعد جنس الـ Potyvirus من أهم الاجناس الفيروسية النباتية إذ يحتوي على حوالي 200 نوعاً فيروساً بعضها ذو أهمية كبيرة . بينت دراستنا الانتشار الواسع لفيروسات تابعة لهذا الجنس في مناطقة مختلفة من سورية وخلال مواسم متعاقبة وكانت نسبة الإصابة 54.25% على نباتات العائلة القرعية وفي العينات التابعة للعائلة الباذنجانية 34.17% أما العائلة الصليبية كانت بنسبة 57.57% مما يدل على تواجد هذه الفيروسات وانتقالها من موسم لآخر.
The genus Potyvirus is one of the most important plant viral genera, as it contains about 200 virus species, some of which are of great importance. Our study showed the wide spread of viruses belonging to this genus in different regions of Syria and during successive seasons, and the infection rate was 54.25% on the plants of the cucurbit family, and in the samples of the Solanaceae family 34.17%, while the cruciferous family was at a rate of 57.57%, which indicates the presence of these viruses and their transmission from one season to another.
References used
van Hoof, H.A. An investigation of the biological transmissio of a nonpersistent virus.
Several protocols for DNA extraction from leaves of pepper Capsicum annuum
L. were evaluated to detect Begomoviruses. The extraction
methods comparison were based on DNA quantity and quality. The
DNA concentration absorbance for the evaluation of DNA concentration and contamination
were measured using spectrophotometer.
Genetically modified girls are grown in many areas around the world, and the interest in planting them is increasing year after year. The area planted with genetically modified crops in 2012 amounted to about 3,170 million hectares distributed over 29 countries
According to the high specificity and sensitivity of ELISA test, we tried in
this preliminary study, to certify the usefulness of ELISA test in the detection of
specific antibodies (IgG) to cutaneous leishmaniasis(CL) in SYRIA, in order to
certify
The purposes of this study were: Informing some Species of wild
plants at Debah site of Hama, and knowledge of its importance in
rural development in the region.
Our survey indicated for 2011-2012 that Debah site is a rich
region in plant biodive
A survey of the natural enemies of woolly apple aphid Eriosoma lanigerum
(Hausm.) was conducted in unsprayed orchards in the mountain region of
Sweida, Syria. Twenty-six species were found, belonging to Coleoptera,
Dermaptera, Diptera, Heteroptera