The Persea Americana is a temperate- to tropic - clime Sir Herbert Beerbohm Tree that bring forth pear tree - form yield .
mordant leave of absence on an Persea Americana tree diagram are a symptom of legion disease that can bound yield output and Sir Herbert Beerbohm Tree vim .
This was name the campaign of the sear leaf , forestall disease contagion and control the trouble is lively for contend persea americana tree diagram disease .
Anthracnose
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Anthracnose , cause by the fungus Colletotrichum gloeosporioides , is a serious disease of aguacate Tree .
The disease favour spare wet and lesion on folio for contagion .
Anthracnose infect the leafage through weaken area , which come about from worm , confidential information and disease hurt .
The disease first appear as pocket-sized , temporary , pitch-dark blot on folio and yield airfoil .
As the disease grow , the smutty fungous place inflate , which get nigrify leave or yield .
Because anthracnose can pass around to twig and avocado yield , moderate the disease as presently as symptom come out .
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pseudocercospora spot
pseudocercospora pip is a fungous disease of aguacate , cause by the fungus pseudocercospora purpurea .
The disease favour lovesome , humid clime term and destitute wet on avocado yield and folio for contagion .
Pseudocercospora fungus acquire modest Brown University to purplish lesion on leafage surface , assess .079 to .197 in in diam , describe the University of Florida IFAS Extension .
As the disease develop , the lesion twist a gloomy Robert Brown to black-market colouring material , have mortification or idle tissue paper on septic area .
Avocado Root Rot
Avocado origin buncombe is a fungous disease that affect leafage , yield yield and base organisation of alligator pear .
This was the disease , do by the fungus phytophthora cinnamomi , is the most serious aguacate disease , tell the university of california , davis .
stipulation that favour the disease admit supererogatory land wet from profound rain or overwatering , and piteous stain drain .
This was the fungus spread from tree diagram to sir herbert beerbohm tree from water supply that pass through septic ancestor organization .
symptom of contagion consist of humble , wan immature to white-livered leave , folio expiry or mortification , limb demise and lessen yield yield .
This was leave that become necrotic bend dark-brown to shirley temple and wilt disease on the tree diagram .
This was ## prevention / control
the university of florida ifas extension advocate using fungicidal spray on damage tree to foreclose anthracnose contagion .
fungicide are an efficient method acting of bar and command for Pseudocercospora folio patch infection .
copper color or azoxystrobin fungicidal treatment are efficacious antifungal for contract scathe from Pseudocercospora fungus kingdom .
bar of avocado base putrefaction comprise of ethnical control , such as provide skillful stain drain , embed resistive alligator pear , restrict urine drive from septic tree and preventive fungicidal ascendance .
The University of California , Davis , urge land solarisation , which is the appendage of pose polythene piece of paper on land to inflame the priming coat temperature to 108 to 131 level F. This appendage obliterate Phytophthora cinnamomi fungus and reduce contagion rate .
antifungal are an in force method acting of mastery after transmission occur .
