TopDB

Disease

Pseudocurly Top:

Disease ID : ToPDB_DD060

Summary :

Introduction : Pseudocurly Top disease is caused by virus , it infects the plant in Very warm fall months when vector is prevalent.

Pathogen cause : Pseudocurly top virus

Host distribution : Lycopersicon esculentum

Sign and Symptoms:

Leaves roll upwards with leaflets twisted to expose underside; plants become brittle and chlorotic; leaflet veins turn purple; branches and stems become very erect, with marked internode shortening. Plants are stunted with few, if any, fruit.

Etiology:

Vectored by the treehopper (Micrutalis) from weed hosts such as ragweed, nightshade, and ground cherry.

Gene(s) Resposible for Disease:

Gene ID :

Control:

Biocontrol: Isolates of rhizosphere

Chemical control: NA

Bibliography :

Pseduo-Curl Top of Tomato , Tsai J. H. and Brown L. G. , Plant Pathology Circular , 1991 ,7(4):67-344.

Transmission of pseudo-curly top virus in Florida by a treehoppe , Simons J.N. and Coe D.M. , Virology , 1958 ,6(1) 43–48.