Nagzaki rastani

Nagzaki rastani, sharka, kasalii khavfnoki mevajoti donakdor, ki virusi Prunus virus 7 ba vujud meorad. Dar rui barg, meva va donaki rastanihoi kasal doghoi pax- pax yo halqashakli zard va b bunafshi baland paydo meshavand. Hangomi kasali karantini dokhili elon mekunand. Nagzaki rastani beshtar ba olu, zardolu, olucha va shaftolu oseb merasonad. Asosan dar Evropai Garbi pahn gashtaast. Dar SSSR dar Mol­daviya, Gurjiston va Ukraina mushohida shudaast. Nishonahoi kasali dar bargho badi 3—4 haftai gul va dar meva hangomi pukhtan ravshantar zohir megardad. Angezandai Nagzaki rastani tavassuti kuchathoi payvandi, bekhjast, hasharot (shirincha) pahn meshavad. Nagzaki rastani hosili rastaniro 25—50%’ kam mekunad. Mevajoti osebyofta tamu qimati gizoii khud­ro gum karda, baroi tayyor kardani mahsuloti sanoati ba kor nameoyad.

Chorahoi muboriza: mani az yak jo ba joi digar burdani kuchati kasal; parvarishi navhoi ba ka­sali tobovar, mahvi bekhjasthoi da­rakhtoni pir, alafhoi begona va hasharoti pahnkunandai kasali.

Baze olimoni soveti (L. Ya. Se­reteli) kasalii gayrisiroyatii mevahoi sitrusiro ham, ki dar natijai degenerasiyai funksionalii masomai pusti rastani dar shakli doghoi qahvarang ba vujud meoyad, «nagzak» hisob mekunand.