1. Answer in one sentence (any ten)

Name the Causal agent of powdery mildew disease in mulberry.

What is a leaf eating pest?

Name five important diseases of mulberry silkworm.

What is a grub?

Define IDM.

What is a fungicide?

Why a soil injector is used

Name 3 important predators of Tasar silkworm.

What is parasitoid

What causes the muscardine disease in muga silkworm

Name the causal agent of root knot disease in mulberry.

Name the causal organism of Grey blight of som and soalu.

2. Choose the correct answer:

Streaks and blotches on the leaf are caused by

Jassid

Thrips

Leaf roller

Termite

"Hopper burn" is due to the attack of

Jassid

Thrips

White fly

Mealy bug

Cryptolaemus montrouzieri is recommended as a bio control agent for

White fly

Mealy bug

Jassid

Thrips

Powdery mildew is caused by

Fungus

Bacterium

Virus

Nematode

Leaf rust is a

Root disease

Foliar disease

Vascular disease

Systemic disease

Muscardine in Eri silkworm is caused by

Botrytis bassiana

Bacillus thuringiensis

Beauveria bassiana

Nosema bombycis

Bioformulations are used for

Chemical control of pests.

Biological control of diseases

Physical control of pests

Physical control of disease

Mulberry white fly is a

Leaf eater

Shoot feeder

Sap sucker

Leaf roller

The occurrence of dermestid beetle is observed:

Through out the year

Only during summer

Only during winter

Only during rainy season

Pebrine in mulberry silkworm is caused by

Beauveria bassiana

Nosema bombycis

Bacillus thuringiensis

Alternaria alternata

3. Answer the following questions in 5 sentences.

How to manage grasserie disease in mulberry silkworm?

Describe the preventive measures to be followed against dermestid beetle.

What are the factors responsible for outbreak of pests in mulberry

Biological control of diseases.

Systemic diseases of mulberry.

4. What are the various equipments used for 10 spraying of fungicides? Mention about the precautions to be taken while spraying the fungicides.

5. Write short notes on any five in 2 sentences.

Seedling blight of Eri food plant

Causes of the flacherie disease in mulberry silkworm

Mulberry leaf roller

Raksha

Red rust of Muga host plant

Preying Mantis attacking Tasar silkworms

Stem borer of mulberry

6. Fill in the blanks:

Grasserie disease of Eri silkworm is caused by

The percentage of bleaching powder solution sprayed on mulberry silkworms to detach Uzi eggs is

Collar rot during nursery plantation of mulberry is caused by

Mealy bug is a sneker

Bleaching powder is a

Pebrine disease in muga silkworms is also known as

Nylon net is used for the control of

The disease spreading internally through the plant system is called

Chlorine dioxide is a

Fusarium solani causes disease in mulberry.

7. Name various diseases of Tasar silkworm, their symptoms, control measures and precautions.

8. What are the primary nursery diseases of mulberry? Discuss about their symptoms and control measures.