الفهرس 
Field experimentsOnly 14 pages are availabe for public view
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Abstract
The work mentioned in this thesis was csried out t o eval=te of the efficiency of several of new fungicides against cucumber ad squash diseases which causes with seve~alo f pathogens n The experiments included in this work were divided inCo: I, Field Experiments I1 Laboratory Tests Part I: Pield experiments Two f i e l d experiments were caried out during 1977 season =d repeated during 1978 season. The two e~periment~, were wranged in a completely rmdomi~sd block design to determine the effect of some new fungicide against cuwrnber and squash powdery mildew. The tested plants were cucumber and sumrnar squash- The tested fungicides were Nimrod3 Afugan and Benlate. The tested concentration was the recommended r a t e . Nine treatments used in 1977 season while eight treatments wwe applied ix 1978 seazon. The t e s t ed pathogens were -Ek ysiphe- -c--i-c- hora- ?e.. .a-u--m- w-d Sphe- -ar-o - -t h e-m -P-u-.l igina which causes powdery mildew d i s e a s e ~o n cu(,umber and squash plant~*i”ouss pray appl icat ions were made i n the two experiments.