1 O‘zbekiston respublikasi oliy va o‘rta ta’lim vazirligi

 
 
322 
Chapter 10. Regularities of the development of viral epiphytoty….................. 289 
10.1. Sources of viral infections............................................................... 289 
10.2. Natural sources of infection of plant viruses .................................. 291 
10.3. Spreading of viral infections………………………………........... 297 
Annexes.............................................................................................................. 301 
Keywords.............................................................................................................320 
Literature............................................................................................................ 326 
Conclusion……………………………………………………………………... 

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323 
O‘ZBEKISTON RESPUBLIKASI 
OLIY VA O‘RTA TA’LIM VAZIRLIGI 
 
 
 
A.H. VAHOBOV 
 
 
 
VIRUSOLOGIYA
asoslari 
 
 
 
O‘zbekiston Respublikasi Oliy va o‘rta ta’lim vazirligi 
tomonidan oliy o‘quv yurtlari universitetlari uchun
 
 
darslik sifatida tavsiya etilgan 
 
 
 
 
 
 
 
 
 
TOSHKENT – 2018