Seed science Flashcards
What is the tag color on the bag of foundation seed ?
White
Grow - out test is conducted to determine
The genetic purity of given seed lots
Synthetic seeds are
Synthetic seeds are artificially encapsulated plant propagation material. This material could be somatic embryos, shoot buds, cell aggregates, or any other tissue used for propagation.
Which phyto-hormone is used for development of synthetic seeds?
ABA
Which is the most common carbon source used in cell culture medium?
Sucrose
Seed multiplication ratio of groundnut is
1:8
Genetic Purity of breeder seed is
100%
________ sugar is found in germinating seeds in large amount?
Maltose
NaOH test is used for testing
Karnal bunt of wheat
Examples of recalcitrant seeds
Avocado, coffee, mango, lychee, cocoa, and rubber tree
What is the tag color on the bag of certified seed ?
Azure blue
Potassium permanganate method is used to detect
Seed viability
Essential factor for germination of seed
Air
Seed sample obtained by reducing the submitted samples and used for one or more quality tests is called as
Working sample
National Seed Act was passed in
1966
Test weight of Phalaris minor seed is
2g
Minimum physical purity for certification of carrot
95%
Minimum isolation distance for foundation seed of onion
1000m
Seed multiplication ratio of red gram
1:100
Isolation distance for foundation seed of okra
400m.
National seed corporation started in
1963
The seed act has _____ sections
25
Restriction of import and export of seeds on envisaged through
Seed (Control) order, 1983
Section 17
The air screen cleaner cum grader separates the seeds based on the
Differences in size and weight of seeds
Which machine separates the higher inert mater and adulterant from the crop seeds?
Aspirator
By the help of pressure
State seed certification agency was started in
1969
The seeds rule was initiated in
1968
National seed programme was initiated in
1975
National Seed Project was started in
1976
The real value of seed is calculated by using formula
%purity x % germination = %PLS (Pure Live Seed)
Which of the following class of seed is mainly produced by NSC?
Foundation seed
