ICAR ARS 2024-2025 (PRE.ONLY) (ICAR ARS 04. ECONOMIC BOTANY AND PLANT GENETIC RESOURCES 2024)

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Eligibility

"Master’s degree in Agriculture/ Botany/ Horticulture / Plant Physiology with specialization in Agricultural Botany/ Economic Botany/ Plant Genetic Resources.."

Exam Pattern

Two separate competitive written examinations (Computer Based Test + Written) followed by Viva-voce shall be conducted as per the following plan of examinations:-
Examination               Max. Marks    Duration
Preliminary-ARS         150                  2 hours (Objective Type)
ARS – Main                 240                 3 hours  (Descriptive Type)
Viva-voce                     60                  1/3 marks will be deducted for each wrong answer in ARS-2021 (Preliminary)

Examination (Objective Type). There will be no rounding off of fractions of marks. This is a qualifying examination and marks scored will not be counted for final selection. ARS-2021 (Mains) Examination Paper will have only one paper of 240 marks in therespective disciplines, to be attempted in 3 hours duration. The paper shall be divided in three parts A, B and C. Part ‘A’ will consist of 40 (forty) questions of 2 (two) marks each. In this 30 part, answers required will be of very short, not exceeding 10 (Ten) words at the most. Part ‘B’ will have 20 (twenty) questions of 5 (five) marks each requiring one or two paragraphs and/or graphic explanation. Part ‘C’ will have 6 (six) essay type or descriptive type questions. Each question will carry 10 (ten) marks and may have two or more parts. Answers are required to be written in the space provided below the question. In no case extra sheets will be provided. All questions in parts ‘A’ ‘B’ and ‘C’ will be compulsory.

Syllabus

Unit 1 : Plant Taxonomy and Biosystematics

Nomenclature, purpose, principles and systems of classification; Taxonomy of higher plants, floras, manuals, monographs, index, catalogues and dictionaries, herbaria; Concepts of biosystematics, evolution and differentiation of species; Biosystematic and taxonomic tools; Origin, evolution and biosystematics of selected crops (rice, wheat, rape seed & mustard, cotton).

Unit 2 : Economically important plants -I

Origin, history, domestication, botany, genetic resource activities, cultivation, production and use of: Cereals: Wheat, rice, maize, sorghum, pearl millet and minor millets. Pulses: Pigeon pea, chickpea, black gram, green gram, cowpea, soyabean, pea, lentil, horsegram, lab-lab bean, ricebean, winged bean, French bean, lima bean, sword bean. Oilseeds: Groundnut, sesame, castor, rape seed, mustard, sunflower, safflower, niger, oil palm, coconut and linseed.

Unit 3 : Economically important plants -II

Origin, distribution, cultivation, production and utilization of economic plants of following groups such as Fibres: cotton, silk cotton, jute, sunnhemp, agave, flax and mesta (kenoff); Sugars: sugarcane, sugarbeet, sugarpalm and sweet sorghum; Fodders and green manure crops: Plantation crops: coconut, cocoa, tea; root and tuber crops-: potato, sweet potato, tapioca, aroids etc.

Unit 4 : Economically important plants -III

Origin, distribution, classification, production and utilization of Fruits: mango, banana, citrus, guava, grapes and other indigenous fruits; apple, plum, pear, peach, cashewnut and walnut; Vegetables: tomato, brinjal, okra, cucumber, cole crops, gourds etc.; Fumigatories and masticatories: tobacco, betelvine, areacanut; medicinal and aromatic plants: sarpagandha, belladonna, cinchona, nux-vomica, vinca, mentha and glycirrhiza, plantago etc.; Narcotics: cannabis, datura, gloriosa, pyrethrum and opium; Dye-, tannin-, gum- and resin- yielding plants; Plant of agro-forestory importance: multipurpose trees/shrubs, subabool, Acacia nilotica, poplar, sesbania, neem etc.; non-traditional economic plants: jojoba, guayule, jatropha, carcus etc.

Unit 5 : Biodiversity and Plant Genetic Resources (PGR)

Biosphere and biodiversity; plant species richness and endemism; concept and importance of plant genetic resources and its increasing erosion; Centres of origin and diversity of crop plants, domestication, evaluation, bioprospecting; National and International organizations associated with PGR; Convention on Biological Diversity (CBD), recent issues related to access and ownership of PGR, PR,. PBRs, farmers rights, sui-generis system etc.

Unit 6 : Germplasm Augmentation

History and importance of germplasm collection, ecogeographical distribution of diversity, logistics of exploration and collection, use of flora and herbaria, random and selective sampling, genepool sampling in self and cross pollinated species; Concept, importance and ecogeographical considerations of introduction and exchange of plant germplasm; prerequisites conventions and achievements of PGR exchange.

Unit 7 : Germplasm Conservation

Principles and methods of conservation, in situ and ex situ methods, on - farm conservation; Gene banks: short-medium- and long-term conservation strategies; seed physiology and seed technology in conservation; seed storage behaviour (orthodox, recalcitrant), field genebanks, clonal respositories. Gene bank management, gene bank standard for various crops, ISTA, AOSA, IPGRI guidelines, documentation of information in gene bank.

Unit 8 : Biotechnology in PGR

Plant conservation biotechnology, biotechnology in plant germplasm acquisition; plant tissue culture in disease elimination, in vitro conservation and exchange; cryopreservation, transgenics - exchange and biosafety issues; biochemical and molecular approaches to assessing plant diversity.

Unit 9 : Plant Quarantine

Principles, objectives and relevance of plant quarantine; Regulations and plant quarantine set up in Indai; economic significance of seed borne pests, pathogens and weeds; detection and post entry quarantine operations, salvaging of infested/infected germplasm, domestic quarantine.
Unit 10 : Germplasm characterization, evaluation, maintenance and regeneration Principles and strategies of PGR evaluation, approaches in germplasm characterization and diversity analysis, concept of core collection, descriptors and descriptor states for data scoring; maintenance of working and active collections of self-cross-pollinated and vegetatively propagated crops, perennials and wild relatives; principles and practices of regeneration in relation to mode of reproduction, concept of genetic integrity, genetic shift, genetic drift and optimum environment; post-harvest handling of germplasm; PGR data base management.

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