حصر للفيروسات الموجودة في بذور الشعير و العدس و الفول في سوريا

الملخص EN

In Syria, no surveys were made earlier on seed-borne viruses of cereal and legume crops.

Due to the potential economic importance of these viruses, a study was conducted to identify seed-borne viruses affecting lentil, faba bean and bean and lentil, and on grounds seeds for barley.

In addition, a comparison was made to evaluate seed transmission rates of barley stripe mosaic virus (BSMV) by testing individual ger¬minated seeds and ground dry seeds coming from the same seed batch.

Testing germinated seeds in this case gave a lower seed infection rate than testing ground whole seeds.

Results showed the average seed transmission rates were 0.4 and 0.11 % in lentil and faba bean in Syria, respectively, with either broad bean stain virus (BBSV), bean yellow mosaic virus (BYMV) or pea seed-borne mosaic virus (PSbMV), barley during 1990.

One hundred and thirty three,62and 35, barley, lentil and faba bean seed samples were collected, respectively.

Testing for seed-borne viruses in the crops sur¬veyed was made by ELISA on germinated seedlings for faba while the average seed transmission rate with barley stripe mosaic virus (BSMV) was 9.21 % in barley seeds samples, and the range of percent infection in samples tested 0.0-45.

It was evident that some of barley, lentil and faba bean seeds used by farmers in Syria, contained viral infection which may be transmitted by other means of spread to healthy plants.

Producing virus-free seeds is an important step to increase productivity of these crops.