hey guys....!!....
plz answer....
what do understand by photoperiodism and vernalisation..?Describe its significance..!!...
no spam .....
Answers
Answer:
-photoperiodism:(photo=light,periodism=duration)
-def: Response of plant to the relative length of light and dark period with respect to initiation of flowering
-the term given by two American scientists garner &Alard in (1930)
-it regulates flowering in the plants
-vernalisation/yarovization:(chilling treatment to seed or plant)
-def: Treating plant with low temp. for subsequent growth & flowering
-its explanation done by T.D.-lysenko (1928)
-significance: vernalization shortens vegetative phase,
-induce flowering early,
-increase resistance for cold & fungus
-converts winter variety into spring
-also biennial varieties can be converted
into annual variety
e.g.-Rye,oats,wheat,etc
Answer:
nsjsjsjskdkdkkxkxjxjkxkxkxkxjxjdjwbsbsb