Mollusca
PLANT PEST
MOLLUSCA
SNAIL
The Reason Why Snail Called as Plant Pest
Types of Pest Controlling
Pest and disease are differendtiated
based on their size. Pest is bigger than the organism, which causes disease in
plants. Pest is a plant disturbing and destructing animals. One of the animal
phylum as the plant pests is Mollusca.
MOLLUSCA
1.The
body is soft, not jointed, and rich of mucus.
2.Protected
by shell that making of calcium.
Mollusca
contains of 3 class, there are:
1.Shellfish ( Lamellibranchata )
2.Cuttlefish and
Squid ( Cephalopoda )
3. Snail (Gastropoda )
SNAIL
There
are lived on solid, sea, and fresh water. Many snails ate plants but several
ate animal other.
That
lived on soil breath with lungs and walking by stomach muscle while
uttered the mulcus but in water breath with gill.
Snail
is hermaphrodite or has pair of sex.
The Reason Why Snail Called as Plant Pest
Many
snails ate plants, like Golden Snail. Golden snail is the pest, which eats the
seedling paddy. This kind of pest can destroy 50% - 80% of paddy in a section
of a field. Besides eating the paddy seedling, it also eats corn, orange, and
some decorated plants.
Suffer
of Plant Pest
Farmers getting the suffers if the plants
isn’t growth with perfectly. One of
other cause the pest, like snail. If it
isn’t ignore, the materials of food can decrease. But we can solving this problem with several methods.
Types of Pest Controlling
a.
Cut the part of plant that attacked by pest
2. Biology Method:
a.
Use The Natural Predator
The
natural predator of snail is duck, but duck only can eats the little snail.
Types of Pest Controlling
a.
Giving the pesticide to the plant.
This method is the most used of many
farmers in Indonesia, cause pesticide is cheap and easy to use. But many the
negative crashes, there are:
a.Disturbing
the harmony of ecosystem
b.Danger
for human body
c.Damaged
the round of domain
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