Exanthema or Dieback of citrus trees

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• 1- ?????????? (??? ????? ????? ??????? )
• Exanthema or Dieback of citrus trees
• ??????
• ?? ???? ?????? ?????? ???????? ?? ??????

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• 2- ????? ?? ????? ??????? blight of citrus
  trees
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• 3- ?????? ????? ??????? Chlorosis of citrus
  leaves
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• 4- ???? ????? ????? ???? ???????
• Sun Scald and cracking of citrus fruits
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????? ??? ??????? ?? ????? ???????Diseases
caused by minerals deficiency in citrus trees

• ??? ???? ?????????
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??? ???? ?????? ???? ??????? ???? ??? ?????
??? ????? ?????? ?? ???? ?????? ????? ????? ???
???? ????? ??????? ??? ???? ??? ???? Dieback
?????? ?????? ???????.
????? ??? ?????? ?? ??????? (????????)
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(????????)
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• ?????? ??????? ???????? ?? ???????
• ?- ??????? ???????
• 1- ????? ?????? ????? ?? ???????
• Brown rot gummosis of citrus trees
• ??????
  Phytophthora citrophthora ) )
• ?? ??? ????? ???? ??? ???????? ???????? Class
  Phycomycetes) )
• ??? ?? ???????? ??????? (Subclass Oomycetes)
  
• ???? Order Peronosporales)
  )
• ?? ??????? Family Pythiaceae)
  )

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• ????? ?????
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  Brown rot gummosis
• ???? ??? ????? Foot Rot ?????? ?????? ???????
  ??????? ???????? ????????.

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• 2- ????? ?????? ???????????? ????? ????? ???????
• Fusarium gummosis of citrus twigs
• ??????
• ????? ????????? ?????? Fusarium solani )
  )
• ?????? ??? ???????? ??????? ( (Class.
  Deuteromycetes
• ????Order Moniliales)
  )
• ????? Fam. Tuberculariaceae)
  )
• ????? ?????
• ???? ????? ???? ?? ??????? ????? ??????? ?? ?????
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• ???????
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  Dieback ?? ????? ?????? ??????? ????? ?????? ???
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• 3- ??????????? ?? ????? ????????
• Anthracnose of citrus trees
• ??????
• ????? ?????? Colletotrichum gloeosporioides
  ???? ?? ??? ???? ???? ?? ???????? ??????? ????
  Glomerella cingulata??? ?? ????? ?????? ?? ??????
  ?? ????? ??????? ??? ??????? ???? ?? ????? ??????
  ??????

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  ???? Wither tip.

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