Transcript Tipe NEKROTIS

Tipe HIPERPLASTIS
• Dicirikan dg pertumbuhan luar biasa
(overdevelopment), baik ukuran, warna,
maupun bentuk organ atau tanaman sbg
akibat peningkatan jumlah atau ukuran
sel-sel pembentuknya
◄ FASCIATED susan
(Rudbeckia hirta)
•
Fasciation is induced by one
or more factors including
bacteria, fungi, virus, insects,
frost, and physical damage to
the growing point
◄ FASCIATED stem of sweet
potato
◄ Apple SCAB caused
by Venturia inaequalis
◄ Potato common SCAB,
caused by
Streptomyces scabies
LEAFROLL on lower leaves of potato,
caused by Potato Leafroll Virus
1.
1. Pea ENATION mosaic
virus
2.
2. Abnormal outgrowth
from the surface
( ENATION ) of a
stem or leaf (grape)
• PHYLODI (change of
floral organs to
leaflike structures) of
the tassel on a corn
plant that is
systemically infected
by Sclerophthora
macrospora (downy
mildew)
1. Rose crown GALL,
caused by Agrobacterium
tumefaciens
2. Apple crown GALL,
caused by A. tumefaciens
2.
1.
HAIRY ROOT
caused by Agrobacterium rhizogenes
KNOT on potato tuber,
caused by Meloidogyne ►
◄ CLUB-ROOT on cruciferae,
caused by Plasmodiophora
brassicae Wor.
PHYLODI on Catharanthus
roseus, caused by
phytoplasma ►
◄ PHYLODI on chickpea,
caused by Cucumber
Mosaic Virus
ERINOSE by mite on grape leaf
◄ SMUT on ear of corn,
caused by Ustilago
maydis
◄ SMUT on rice, caused
by Ustilaginoidea
virens
Avocado sunblotch viroid, causes color breaks and
DEFORMATION of avocado fruit
Tea leaf BLISTER,
caused by Exobasidium vexans
WITCHES’BROOM on groundnut, caused by
mycoplasma
WITCHES’BROOM
• INTUMESCENCE
(syn. edema or
oedema)
production of blisters
on leaves, usually
under conditions of
high moisture and
restricted
transpiration (florist's
geranium)
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