Competitive Exams: Revision Terminology Part 18

Get top class preparation for IAS right from your home: Get detailed illustrated notes covering entire syllabus: point-by-point for high retention.

Download PDF of This Page (Size: 95K)

  • Petroleum plants

  • Euphorbiaceous

  • Hevea rubber

  • E. abyssinica(Rubber plant)

  • E. tirucalli (sehund)

  • Compositae

  • Guayale

  • Russion dandelion

  • Ascelepiadaceae

  • Aak

  • Milkweed

  • Leguminosae

  • Capifera langsdorfci

  • C. Multijuga

  • Hardwickia pinata

  • Dipterocarpaceae – Gijon

  • Myristicaceae – Dialynthera ofaba

  • Pittosporaccae- pittosporum resiniferus.

  • Coconut

  • Heater – liq. Endosperm

  • Solid endosperm eat

  • Fibrous husk = coo -> roper

  • Sugary sap – inflorescence

  • Stem – construction

  • Leaves – thatching

  • Midrib of pinnae – brooms

  • Coconut shells – receptacles to collect rubber.

  • Cheapest N2 fertilizer = Urea

  • Nuclear genetic material of one parent is eliminate though cytoplasm from both are retain

  • Nuclear fusion product = Cybrid = Cytoplasmic hybrid = Heteroplast.

  • Fusion male sterility, resistance to drays

  • Steps for plant Introduction

  • Procurement of germplasmplant protectionCataloguingEvaluationAcclimatization Multiplication Distribution

  • Mass selection – not need Sc. Knowledge & control of pollination

  • Bread wheat = Hexaploid

  • Rice = diploid

  • Maize = tetraploid

  • Sugarcane = aneuploidy

  • Sugarbeet = triploid

  • Apple / pear = triploid

  • Pure line = progeny by self-fertilization of single homozygous plant.

  • Heterosis (Hybrid Vigour) Lost due to inbreeding & recovered due to crossing inbreeds.

  • Sharbati sonara from Sonora – 64 by mutation breeding using X- rays.

  • Se-midway variety – lodging resistant, fertilizer, responsive, high yielding

  • Sonika - insensitive to photoperiods – no grain dormancy – shorter cycle.

  • Raphanobrassica (Radish X Cabbage) -> Karpechenko

  • Protoplast induced to fuse by PEG (polyethylene glycol) Perturbation of ionic composition or electro fusion.

Developed by: