biology and host plants of lac insects.pptx
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general introduction Lac is the scarlet red resinous secretion of a number of species of lac insects, of which the most commonly cultivated species is Laccifer lacca or Kerria Lacca It is only known commercial resin of animal origin. Lac produced is a mixture of resin, dye and wax
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The document outlines the binomial system of nomenclature used for classifying living things and provides examples of the taxonomic hierarchy from the kingdoms of animals and plants. It then distinguishes between six phyla of animals - porifera, cnidaria, platyhelminthes, annelida, mollusca, and arthropoda - based on their key external recognition features, such as body structure, presence of pores or tentacles, and type of skeleton or shell. Examples and short descriptions are provided for each phylum.
Classification
The document outlines the binomial system of nomenclature used for classifying living things and provides examples of the taxonomic hierarchy from the kingdoms of animals and plants. It then distinguishes between six phyla of animals - porifera, cnidaria, platyhelminthes, annelida, mollusca, and arthropoda - based on their key external recognition features, such as body structure, presence of pores or tentacles, and type of skeleton or shell. Examples and web links are provided for each phylum.
Kingdom animalia
1. Systematics studies the diversity and classification of organisms to reconstruct their evolutionary history. Taxonomy classifies life into groups based on observable characteristics.
2. There are six kingdoms of life - Monera, Protista, Fungi, Plantae, Animalia. Key characteristics define each kingdom.
3. Carolus Linnaeus established the system of binomial nomenclature for classifying organisms using their genus and species. This provided advantages over common names.
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Millet is a type of cereal grain that is widely grown in India and other parts of the world. Millets are an important source of nutrition for millions of people in India, particularly in rural areas. Millets are highly nutritious and have several health benefits. They are a rich source of protein, dietary fiber, vitamins, and minerals such as iron, magnesium, and phosphorus.
Millet production in India has been declining over the years due to various factors, such as the adoption of modern farming practices and the promotion of other crops such as rice and wheat. However, there is growing recognition of the nutritional benefits of millets, and efforts are being made to revive millet production in India.
Millet plays a vital role in meeting the nutritional demands of India's population. Millets are particularly important for people who have limited access to a diverse range of foods, such as those living in rural areas. Millets are also beneficial for people with certain health conditions, such as diabetes and heart disease, as they have a low glycemic index and are high in dietary fiber.
In addition to their nutritional benefits, millets are also climate-resilient and require less water and fertilizer than other crops such as rice and wheat. This makes millets an important crop for sustainable agriculture and food security in India.
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amul case study
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dol
• A brand name Amul is managed by Gujart Co-operative Milk
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companey highight
Founder - Verghese Kurien, Tribhuvandas Kishibhai Patel
CEO - Jayendhai Mehta
Founded - December 14, 1946
Headquarters - Anand, Gujarat Website - Amul.com
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Superparasitism:-
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Multiparasitism:-
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biology and host plants of lac insects.pptx
- 1. Innocent Hearts Group Of Institutions jalandhar School of agriculture Presented by-Nikhil kumar (Bsc agri 6th) Topic-biology and host plants of lac insects
- 2. General Introduction ● Lac is the scarlet red resinous secretion of a number of species of lac insects, of which the most commonly cultivated species is Laccifer lacca or Kerria Lacca ● It is only known commercial resin of animal origin. ● Lac produced is a mixture of resin, dye and wax
- 3. Lac culture ● Rearing of lac insects for commercial production of the lac is called as lac culture ● Commercial lac( processed resin is called -Shellac ● Host plant- Kusumi (Shorea robusta) – Kusumi lac ● Host plant - Palas (Butea monosperma) – Rangeeni lac (90% lac in India)
- 4. Taxonomy Systematic Position of Lac Insect The first scientific account of the lac insect was given by J. Kerr in 1782. Phylum: Arthropoda Class: Insecta Order: Homoptera Family: Kerridae Genus: Kerria
- 5. Overview lac production ● Lac insect is a minute crawling scale insect with suctorial proboscis through which it sucks phloem saps of the host plant twigs. ● They secrete resin from hypodermal gland,which gradually encases the-body of the insect totally in a ● structure referred to as 'CELL' ● There are 9 genera of Lac insect out of which only 5 secrete lac and only one i.e., Kerria lacca secretes recoverable or commercial Lac.
- 6. Life cycle of lac insects The life cycle of lac insects completed in to following steps. 1. Fertilization 2. Egg laying 3. Hatching 4. Nymph formation 5. Development of adult
- 8. THANK YOU