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Fruit Trees

Page history last edited by PBworks 12 years, 1 month ago

 Fruit Trees

 

 


 

 

 

 

 

                      Apple grain aphid

 

 

                                                 

 

                                                                             Apple leaf miner

 

 

                                                                                         

 

                                                                                          Apple measles on bark caused by low soil pH that induces either excessive manganese levels or deficient boron levels.

 

 

 

 

                 Prune plum with Boron deficiency

 

                                                       

 

                                                                                Fire blight of pear and apple

 

 

 

 

 

 

 

 

 

 

                                                      

 

                                                                 Spotted tentiform leafminer on apple tree

 

 

                                                                                                             

 

                                                                                                                  Spotted tentiform leafminer mines on apple leaf

 

 

                                                              

 

                                                                 Stink bug probing on pear fruit

 

 

 

 

    Spirea aphids on apple trees are not exremely prolblematic

 

 

                                                  

 

                                                                   Nitrogen deficiency on fruit trees causing leaf drop.

 

 

 

 

Apple bitter rot on fruit

 

 

                                                                                                                  

 

                                                                                                                                     Fungal fruitApple bitter rot (Glomerella) close up                                                                                                                                          

 

 

 

                                   Apple bitter rot on leaf

 

                                                                                                          

 

                                                                                                                                                   Apple bitter rot on fruit

 

 

                        Apple with European red mite on leaf

 

                                                                                                  

 

                                                                                                                                       Apple fruit tree leaf roller

 

 

 Apple calcium deficiency appears as slightly sunken round blemishes, more numerous at blossom end.

 

                                                                                              

 

                                                                                                                               Apple cold temperature injury at fruit set

 

 

 

                                Apple bitter rot caused by glomerella fungus

 

                                                                                        

 

                                                                                                                              Apple hail damage to young fruit

 

 

                                    Apple damaged by plum curculio

 

                                                                                  

 

                                                                                                 Apple with fruit russeting caused by crop protection chemicals

 

 

                           Apple fruit with frost damage

 

                                                                                

 

                                                                                                Pear with phytotoxic ring caused by crop protection chemicals

 

 

         Cherry tree trunk with sunken canker probably due to winter injury

 

                                                                                         

                                                                                          Sweet Cherry leaves showing severe nitrogen deficiency, possibly indicating trunk or root damage.

 

 

 

 

 

                                                                                          

 

 

                                                           Peach shoot showing serious nitrogen deficiency, possibly indicating root or trunk injury.

 

 

 

 

 

 

                          Cherry tree trunk rot which caused tree decline

 

                                                                                          

 

                                                                                            Cherry fruit abortion at 4 weeks caused by cold temperature or chemicals

 

 

                     Cherry stunt and leaf roll possibly caused by a virus

 

                                                                                            

 

                                                                                                           Cherry wood rot caused by Milk-white Toothed Polypore fungus

 

 

                                Cherry wood rot fungus

 

                                     

 

                                                                                                              Apple fire blight

 

 

                       Peach tree trunk with cytospora canker

 

                                                                                         

 

                                                                                                                                  Peach with bacterial leaf spot

 

 

 Peach tree limb showing brown Cytospora canker infection, which has been excised back to healthy tissue

 

                                                                                    

 

                                                                                                                  Peach leaf with chemical phytotoxicity

 

 

            Peach tree die-back from planting too deeply

 

                                                                                     

 

                                                                                                                    Peach tree foliar toxicity

 

 

 

 

                                                                                   

 

                                                                                                    Pear fruit with stony pit virus damage on fruit

 

 

 Plum tree branch with black knot lesion.  Cherry trees are also susceptible. 

                                        

 

                                                         Plum blossoms damaged by frost 10 days before full bloom

 

 

                                  Prunus stem pitting virus symptoms at the bud union

 

                                                                                   

 

                                                                                    Apple leaf necrosis from unknown cause-- possibly dormant oil or other crop protection chemical 

 

 

 Apple branch cankering and die-back of unknown causes-- possibly virus or graft incompatibility; secondary colonization by black rot and white rot fungi

 

                                                                                           

 

                                                                                             

 

 

Cherry Leaf Spot (fungal conidia on lower leaf surface)

 

 

 

 

 

 

 

 

 

 

 Cherry Leaf Spot defoliation in mid-summer

 

 

 European Fruit Lecanium Scale

 

 

 

 

 Bacterial Spot on leaves and resulting of cracks on fruits.

 

 

 

 

 

 

 

Fire Blight of apple and pear

 

 

 

 

Prunus Stem Pitting caused by Tomato Ringspot Virus on peach

 

 

 

 

 

Peach Canker caused by fungus Cytospora.

 

 

Stony Pit Virus of Pear

 

 

 

European Apple Sawfly (oviposition scar)

 

 

 

 

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