KERALA UNIVSERSITY CENTER FOR TEACHER EDUCATION

NEDUMANGADU2013-2014

ROHINI E.V

REG NO : 13983022

NATURAL SCIENCE

PLANT DISEASES

It is commonly seen in citrus

plantCitrus canker is a bacterial

decease(Xanthomonas citrus)

Blast diseases is a fungal diseases of paddy

Brownish lesions and spots on leaf blade,leaf

sheath,panicles.

Application of antibiotics such as

blastin,blasticidinetc

8/10/2014

ROOT WILT OF COCONUT

Root wilt of coconutThe disease is caused by a pathogen phytoplasma

Lace bug & plant hopper, transmit the diseases

SYMPTOMS

Bending of the leaflets

Foliar yellowing

Necrosis of the older leaves