“Disease Free Layings (DFL)” refers to the Disease free eggs laid by one female Moth. “Disease” means an alteration in the state of the body of the Silkworm or some of its organs, interrupting or disturbing the performance of the functions, and causing weakness in the Silkworm.

How many eggs are in one DFL?

One laying contains 450 - 500 eggs and needs 12 - 15 kg mulberry leaves for its rearing. On an Average 70 - 80 kg of cocoon yield can be obtained/ 100 DFLs.

What is Polu in sericulture?

Egg (Polu koni) is the backbone of silk industry. Healthy egg production is indeed the primary requisite for conducive growth of the entire silk industry. Timely supply of superior quality of silkworm seed can alone sustain sericulture as a commercial crop in competition with other cash crops.

What is meant by sericulture 1 marks?

Sericulture, or silk farming, is the cultivation of silkworms to produce silk.

What is mountage in sericulture?

Meaning of Mountage:

The most important device that helps or supports the silkworms (larvae) for comfortable spinning their cocoon is called cocoonage or mountage. It determines both the quality and quantity of the cocoons. Different types of cocoonages are used in different parts of India.

Black Boxing & Hatching of Silkworm DFL

41 related questions found

What is Chawki rearing in sericulture?

Chawki means the first two stages of silkworm rearing.

Hence, chawki is the most crucial period of silkworm rearing that demands optimum temperature and humidity, hygienic conditions, quality tender leaf, good rearing facilities and above all technical skills.

What is NPV in sericulture?

The grasserie disease caused by nuclear polyhedrosis virus (NPV) accounts for more than 15% loss in cocoon yield.

What is sericulture very short answer?

Sericulture, also called silk farming, is the process of making silk fibers. It starts by raising silkworms and then processing the fibers they produce. Silk fibers are combined into silk thread.

What is sericulture of Class 10?

Answer: It refers to the production of silk and rearing of silk worms.

What is sericulture class 7th answer?

Answer: The rearing of silkworms for production of silk is called sericulture.

What is the meaning of Grainage?

grainage in British English

(ˈɡreɪnɪdʒ) old-fashioned. the duty paid on grain. Collins English Dictionary.

What is the meaning of Moriculture?

Cultivation of mulberry plants in order to obtain feed for silkworms and to obtain silk is called moriculture.

What is the scope of sericulture?

Sericulture offers career opportunity in Govt. research centers, silk boards, academic fields, sericulture units, agriculture sector banks etc. One can get jobs in Central Government agencies like Central Silk Board/Silk Export Promotion Council/Fao/Nabard, Krishi Vigyan Kendra etc.

Is sericulture profitable in India?

An improvised technique in sericulture introduced by the Department of Sericulture has started paying dividends, with farmers earning profits. Farmers earn an assured profit that ranged between Rs. 60,000 and Rs. 75,000 — every 45 days, right from the initial period.

What is black boxing in sericulture?

Black boxing technique is subjecting the developing eggs to a totally dark condition, to synchronize the circadian rhythm of the silkworms. This ensures uniform synchronized hatching of eggs. Black boxing should be done on the 8th or 9th day i.e. on the onset of eye-spot or black head stage.

What is mulberry cultivation?

Mulberry can be grown in saline, alkaline and acidic soils after suitably amending the soils. Preparation of land. Land for mulberry cultivation is ploughed deep with heavy mould board plough up to a depth of 30-35 cm. ... Plant spacing of 90 x 90 cm is ideal for mulberry.

What is sericulture in social science?

Sericulture is the process of cultivating silkworms and extracting silk from them. The caterpillars of the domestic silkmoth (also called 'Bombyx mori') are the most commonly used silkworm species in sericulture.

What is sericulture India?

It is an agro-based industry. It involves rearing of silkworms for the production of raw silk, which is the yarn obtained out of cocoons spun by certain species of insects.

Is sericulture a science?

Sericulture is the science that deals with the production of silk by rearing of silkworm. ... Silk originating in the spittle of an insect is a natural fibrous substance and is obtained from pupal nests or cocoons spun by larvae known as silkworm.

What is sericulture Brainly?

Answer: sericulture is a culture used by the silk worms and feed to the silk worms, getting silk from silkworm. process of getting silk from silk worm is putting the silk worm into hot water and get the silk Seprately.

What are Tasar and Muga?

The Tasar, Eri and Muga silk are non-mulberry, wild silks and also known as Vanya Silks. Around 80% of Silk produced in India is of Mulberry variety with largest production in Karnataka, Andhra Pradesh and Tamil Nadu. Muga silk is unique in having a golden sheen and is a prized possession of India.

What is sericulture PDF?

A: - Sericulture is the cultivation of silk through rearing of silkworm. It is an agro based industry. It involves the raising of food plants for silkworm, rearing of silkworm for production of cocoons, reeling and spinning of cocoon for production of yarn etc.

How do silkworms prevent Grasseries?

Frequently sprinkle water on the mulberry stored. Don't feed silkworms with leaves having low moisture content. 3 Raised shade trees around the rearing house, cover the roof top with coconut leaves, grass or palm leaves.

What is cytoplasmic polyhedrosis virus?

The cytoplasmic polyhedrosis viruses (family Reoviridae) are occluded double-stranded RNA viruses with a genome divided into 9 or 10 segments of RNA. These viruses, commonly referred to as CPVs, cause a chronic disease and reproduce only in the stomach of insects, where typically they form large (ca.

What are Nucleopolyhedrovirus being used nowadays?

Necleopolyhydroviruses are used for the biological control of insect pesto.