Damaged sieve tubes are sealed by deposition of |
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a) |
Pectin |
b) |
Callose |
c) |
Suberin |
d) |
Lignin |
Damaged sieve tubes are sealed by deposition of |
|||||||
a) |
Pectin |
b) |
Callose |
c) |
Suberin |
d) |
Lignin |
(b) Damaged sieve tubes are sealed by the deposition of calloses across the sieve plates blocking the sieve pores. |