(i) Who discovered photoperiodism?
(ii) Who gave the term phytochrome? What is its unique character?
(iii) Give three methods of seed dormancy.
(iv) Short out the e.g., of SDP and LDP from following.
(a) Radish (b) Spinach (c) Bryophyllum (d) Rice (e) Oat (f) Chrysanthemum
(i) Who discovered photoperiodism?
(ii) Who gave the term phytochrome? What is its unique character?
(iii) Give three methods of seed dormancy.
(iv) Short out the e.g., of SDP and LDP from following.
(a) Radish (b) Spinach (c) Bryophyllum (d) Rice (e) Oat (f) Chrysanthemum
(ii) Who gave the term phytochrome? What is its unique character?
(iii) Give three methods of seed dormancy.
(iv) Short out the e.g., of SDP and LDP from following.
(a) Radish (b) Spinach (c) Bryophyllum (d) Rice (e) Oat (f) Chrysanthemum
Text Solution
Verified by Experts
(i) Garner and Allard
(ii) Butler et.al., the phytochrome pigment is a dimer having a light absorbing chromophore bound to a protein molecule. It occurs in two forms `P_(R) and P_(FR)` which are interconvertible.
(iii) (a) Mechanical scarification (b) Chemical scarification (c) High temperature treatment
(iv) LDP - Radish, Spinach
SDP-Chrysanthemum
(ii) Butler et.al., the phytochrome pigment is a dimer having a light absorbing chromophore bound to a protein molecule. It occurs in two forms `P_(R) and P_(FR)` which are interconvertible.
(iii) (a) Mechanical scarification (b) Chemical scarification (c) High temperature treatment
(iv) LDP - Radish, Spinach
SDP-Chrysanthemum
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