What is meant by lac culture?

Lac culture is the scientific management of lac insects to obtain a high amount of quality lac. This involves selection and maintenance of host plants, inoculation of host plants with healthy lac insects, collection and processing of lac and protection against enemies. Lac is the resinous secretion of lac insects.

What is Indonesian lac?

Lac is a natural resin produced by the scale insect Laccifer lacca, which is a parasite of certain host trees. Because of the increasing market demand for resin, growing lac has become an enterprise in Indonesia. It was first tested in Alor District of East Nusa Tenggara Province in 1968.

What is the importance of lac culture?

Economic Importance of Lac Lac is largely used as a sealing wax and adhesive for optical instruments. It is used in electric industry, as it is a good insulator.

What are the important steps in lac cultivation?

Swarming: It is the most crucial stage of lac cultivation. The colour change of the eggs tells the time of swarming. One should note that, at the time of hatching, the eggs become orange coloured. Following swarming of nymphs, the hollow cavities left in the cell get covered with- wax.

What is seed lac?

Definition of seed lac : a granular resinous material obtained from stick lac by crushing, cleaning, and washing and further processed to yield shellac.

What is host plant range for lac cultivation?

India and Thailand are the two major producers of lac. The main lac producing states in India are Chhattisgarh, Jharkhand , Madhya Pradesh, West Bengal, Uttar Pradesh, Orissa , Maharashtra and Gujarat. The cultivation of lac is at present mainly confined to the conventional lac hosts trees of Palas , Ber and Kusum.

Which country is the largest producer of lac in the world?

India
India is the largest producers of lac in the world and adds to about 70\% of the world’s need.

What is the economic importance of lac?

Economic importance of lac insect : 1. Lac is largely used as a scaling wax and adhesive for optical instruments. It is used in electric industry, as it is a good insulator….Question : Give the economic importance of lac insect.

What is lac and its economic importance?

Economic importance of lac: a. It is used in the preparation of sealing wax, paints, varnish, electrical goods. It is used in the preparation of bracelets, buttons, toys and in filling hollow gold ornaments. It is used in artificial leather and pottery.

What is swarming in lac cultivation?

Swarming: It is most important stage of lac cultivation. Following tying, the nymphs swarm from brood and migrate to tender and succulent twigs of host plant to infest them (Fig.

What is inoculation of lac?

Inoculation: Inoculation is the first stage of lac cultivation. It is the process by which newly hatched (brood) nymphs/larvae get associated with new branches of host plants. It may occur by two ways: “Natural infection” and “Artificial infection”.