RT - Journal Article T1 - Phytophthora Crown and Root Rot Disease of Peach JF - yu-pps YR - 2012 JO - yu-pps VO - 1 IS - 2 UR - http://yujs.yu.ac.ir/pps/article-1-42-en.html SP - 46 EP - 52 K1 - Disease K1 - Rot K1 - Crown K1 - Peach K1 - Phytophthora AB - Root and crown rot is an important disease in Kohgiluyeh and Boyerahmad province peach orchards. Its signs are wilting, general weakness, loss of foliage and sometimes sudden wilt and death of the tree. To isolate the pathogen, used corn meal-agar with antibiotics, Delvasid, Ampicillin and rifampicin medium. Pathogen is Phytophthora cactorum. For pathogenesis test, 2 inoculation methods, to a tree branch or contaminated soil around the roots and crown of seedling is used. Inoculation roots and crowns of seedlings and saplings of six varieties of peaches with this pathogen, showed that Takheh is resistant, Alberta, Redhoon and Mashhad red peach are semi-resistant, Angiri and J.H.Hill are sensitive to the disease LA eng UL http://yujs.yu.ac.ir/pps/article-1-42-en.html M3 ER -