Diseases of silkworm slideshare ppt
WebJan 15, 2024 · Silk worm presentation Pests and Diseases of Silkworm and Their Management. 1. BHOLA PASWAN SHASTRI AGRICULTURAL COLLEGE Presented to: … WebIn this article we will discuss about the Diseases of Silkworm:- 1. Protozoan Diseases 2. Bacterial Diseases 3. Viral Diseases 4. Fungal Diseases. Protozoan Diseases: Pebrine: The most virulent protozoan …
Diseases of silkworm slideshare ppt
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WebSERICULTURE DIVISION Insect Pathology and Pest Management Section Diseases of Silkworm and Control Measures I Fungal Diseases of silkworm: a. Muscardine: Causative agent: White Muscardine is caused by fungus, Beauveria bassiana.. Green Muscardine is caused by a fungus, Metarrhizium anisopliye.. Predisposing Factors: Muscardine … WebThe silk is produced in two glands in the silkworm's head and then forced out in liquid form through openings called spinnerets. The silk solidifies when it comes in contact with the air. The silkworm spins approximately 0.8 Km to 1.5 km of filament and completely encloses itself in a cocoon in about two or three days .The silk is obtained from the
WebNov 7, 2024 · Silk Silk worm diseases: The silk worm is subject to number of severe diseases the most common of which is “Pebrine” Black spots appear on the body of silk worm. The infected silkworm kill off by the disease before they can spin Longitudinal view Cross Sectional view (Triangular) Properties of silk fiber: Tensile strength: Silk is strong … WebApr 14, 2024 · ECONOMIC IMPORTANCE OF MLBERRY SILKWORM • The mulberry silkworm moth is a very useful and valuable insect. • It provides two very important products such as silk and gut to the …
WebMuscardine is a disease of insects. It is caused by many species of entomopathogenic fungus. Many muscardines are known for affecting silkworms. [1] Muscardine may also be called calcino. [2] While studying muscardine in silkworms in the 19th century, Agostino Bassi found that the causal agent was a fungus. WebIn sericulture, the silkworm rearing process begins with the laying of eggs by the female silk moth. Typically, 300-500 eggs are obtained from one female silk moth. These eggs (laid on a paper/cardboard sheet) are then disinfected with the help of a 2% formalin solution. A feeding bed is prepared on a rearing tray by sprinkling chopped mulberry ...
WebApplied Zoology. Unit-II Introduction to Sericulture- – training and harvesting methods &Management of mulberry field, Species of silk worm Rearing of Silk worm-mounting cocoons production and harvesting of cocoons. Rearing of Silk worm-mounting cocoons, Diseases of silkworm and preventive measures, sericulture management. Pearl culture …
WebView Silkworm rearing PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Silkworm rearing PowerPoint presentations. ... Cost Time Availability Mite and Disease Resistance AHB Acclimatized Bees Quality. Cost. A typical queen costs about $20 counting shipping and may cost considerably more. Time. By ... pluralsight cisspWebFrom hatching to its full-grown stage, the silk worms pass through five instars and the worms up to stage two are called young age worms or chawki. As they are susceptible to infections and vulnerable to adverse weather conditions, special care is required for rearing of chawki. pluralsight christmas offerWebPebrine is a chronic and disastrous disease of the silkworm was responsible for the sudden collapse of the silkworm industry of both France and Italy in 1865. Even though the fight against this disease in all the s countries is going on since more than 100 years, the disease is not yet eliminated. 4 rmulation containing 1 per cent captan (N pluralsight cio