Reference Report for IND86060310
| Title: | Rice yellow mottle and African soybean dwarf, newly discovered virus diseases of economic importance in West Africa. |
| Authors: | Rossel, H.W. |
| Source: | Trop. Agric. Res. Ser. 1986, 19:146-153 |
| Abstract: | Rice yellow mottle virus, first described in Kenya in 1970, is now known to occur widely both in East and West Africa. It represents a major threat to improved rice cultivation under irrigated conditions, particularly when the new, high-yielding cultivars introduced from Southeast Asia are grown. African soyabean dwarf is a new and hitherto undescribed virus disease which until now has only been reported in Nigeria. The virus is transmitted by Bemisia tabaci and appears to represent a major threat to soyabean production of highly susceptible cultivars which are newly introduced and have not been sufficiently tested. At the IITA at Ibadan breeding programmes for rice and soyabean have taken both diseases into account. New genotypes developed for international adaptive testing and release as improved cultivars are being selected for various desirable characters, including tolerance of these viruses. |
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