HPB-5221- 3(2+1) (Breeding of fruit and plantation crops)
Submitted to Submitted by
( Course teacher) Pushpdhwaj Mandavi
Miss Sameeksha Bhuwal. Rajni sonwani
B.sc. Hort ( hons)
2nd, year 2nd, semester

Plant introduction
When plant variety is brought from its old geographical area and first
grown in a new geographical area it is called plant introduction
It is of two types
(1) Primary introduction
(2) Secondary introduction

Primary introduction
 When the introduced variety is adapted to the environment of the new
geographical area it is distributed to the farmers without changing it this is
called primary introduction
Secondary introduction
 When the introduced variety is not adapted to the environment of the new
geographical area it is modified by selection and hybridising it with the
local variety and then distributed to the farmers this is called secondary
introduction

Plant introduction is completed in 6 steps
 (1) procurement
 (2) Quarantine
 (3) Cataloguing
 (4) Evaluation
 (5) Maltiplication
 (6) Distribution

 Procurement
 Hh
 jAcquisition of plant material can be done in 4 ways
 (1) Gifting
 (2) Exchanges
 (3) Purchasing
 (4) Exploration

Plant Quarantine
 The process of ensuring that seeds propagules and
plant products imported from outside are free from
diseases,pests and weeds it called plant Quarantine
( The Destructive insects and pests act was passed in 1914
there are 4 plant Quarantine centre’s in india)

 NBPGR,New Delhi
 ( National bureau of plant genetic resources)
 For plant species related agricultural and horticulture Crops
FRI, Dehradun
 ( Forest research institute)
 For Forest trees

IBS , kolkata
 ( Indian botanical survey)
 For other plants
DPPQS, Faridabad
 ( Directorate of plant protection Quarantine and storage)
 For food material

Cataloguing
 Introduced materials are listed in three groups
 EC- Exotic collection ( from other countries)
 IW- indigenous wild ( wild relative in india)
 NC- National collection ( in india)

Evaluation
 The newly introduced variety is grown at 5 center of NBGPR to evaluate the
yield and other characteristics prepare the list based on the data
Multiplication and distribution
 When the yield and other characteristics of the evaluated variety are
superior to the prevalent improved variety it is released as a new variety
seed production and seed distribution is done by seed corporations

Reference or sources
 https://plantbreeding2010.blogspot.com/2020/06/domestication-
introduction.html
 Singh,B.D. 1983.plant breeding- principles and methods. Kalyani
publishers,new delhi