CHE REFERENCE LIBRARY - Pole Shift Survival Information

Ihwli-swr 01~‘ I{oslr:s. - The disease liiiowi as black-spot,
lwf-blotc4 or lt~;Aq~ot is ow of the most destrwtive diseases
011 r( ws. I II lwscrks the rose plmts severely affected become
~IC’fOliiLtCYt in s~I~nllicr, in many caws causing the leaf-buds,
whkh st~wdtf ~~lll;~ill dormant until the following year, to
O]IC’ll tiktt? ilk ttlC SCYlStill.
Ilfsrrildif)?r . ---- The s>-mpt,oms of the disease are black sootlike
blotches OH t.he upper surface of the leaves (~Fig. 230).