Chestnut Tree ( Castanea ) are deciduous tree diagram in the beech family ( Fagaceae ) . The four major species of chestnut tree tree are the American chestnuts , European chestnuts , Nipponese chestnuts and Taiwanese chestnuts . Chestnut Sir Herbert Beerbohm Tree leaves are simple and ovate , and the bloom bloom in bound and summertime . The chestnut tree diagram produce bunch of eatable nuts . chestnut tree tree diagram are susceptible to a identification number of diseases .

Chestnut Blight

Chestnut blight ( Chryphonectria parasitica ) is a serious fungous disease that almost wiped out the American chestnut species . This disease first appears as large cankers on the branches . The orangeness or yellow fungal spore , called pycnidium , diffuse throughout the limbs and then enter into the trunk through injury or barque creases . The foliage above the septic area dry out and dies . Chestnut blight finally kill the entire tree . The chestnut tree blight fungus is spread to other Tree by louse , rain and confidential information .

Phytophthora Root Rot

Phytophthora root rot is a serious chestnut tree disease induce by excess moisture . Phytophthora root rot causes infected leaves to dry up and grow a muted icteric or immature colour . Infected trees often recrudesce sorry expanse in the bark around the upper root and crown . Dark sap or gingiva may ooze from the infected area . This disease often kill young chestnut tree Sir Herbert Beerbohm Tree with belittled root system of rules and crowns . Phytophthora species are pathogens that dwell the soil and spread through run - off water supply and spattering rain .

Leaf Diseases

Chestnut trees suffer from several fungal disease that set on the leaf . foliage spot disease ( Mycosphaerella maculiformis ) ab initio appear as small snowy spot that call on dark brown and enlarge as the disease march on . Leaf blotch disease ( Guignardia aesculi ) do gravid brown spots to form on the infected leaves . Severe foliage splotch infection can cause premature leaf drop . leafage spot and foliage splotch pathogens overwinter in fallen leaves and then infect chestnut tree during the spring when the tree are forming unexampled leave .

Powdery Mildew

Powdery mold ( Sphaerotheca fuliginea ) is a common chestnut tree tree disease . Powdery mildew first form modest , white spots that enlarge and coalesce , finally creating a continuous mat of mildew . The mildew search like a gray or greyish - clean coat of dust on leaf surface . Powdery mildew can stunt or wring an septic chestnut Sir Herbert Beerbohm Tree ’s leaves , fruit and buds . The powdery mold disease usually strikes late in the growing time of year and is most prevalent in humid environments .

Maintenance

Proper charge can make chestnut trees less susceptible to vulgar diseases . tree should be planted in cheery positioning with dear drain . The tree must be space far enough asunder to allow for for proper air airing . Chestnut tree should be irrigated with scummy - angle sprinkler to debar wet the lower branches and the trunk . The soil should never be saturate to the point there is standing piss around the tree ' bases . Fallen farewell should be raked up and cast out of on a regular basis .

References

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