[The disease of raspberries]
1997
Kilevica, M. (Latvian University of Agriculture, Jelgava (Latvia))
The article analyses the growing of healthy, qualitative seedling material of raspberries which can provide extra incomes for horticulturists because the demand for raspberry juice is increasing. The problems of importing and testing virus free and virus tested seedlings are discussed. The most widespread diseases of raspberries (Rubus stunt, Raspberry leaf curl, Raspberry mosaic, Raspberry yellow dwarf, etc.) and their vectors (nematodes - Longidorees elongatus, Xiphinema diversicaudatum, cicadas - Macrophis fuscula, aphides - Aphis rubi, Amphorophora rubi, etc.) are pointed out
显示更多 [+] 显示较少 [-]