HORTICULTURE

HORTICULTURE SCIENCE

FLORICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The part of the plant stem that produces all new cells is the
A
Heartwood
B
Xylem
C
Phloem
D
Cambium
Explanation: 

Detailed explanation-1: -The vascular cambium is the main meristem in the stem, producing undifferentiated wood cells inwards and bark cells outwards.

Detailed explanation-2: -The vascular cambium produces secondary xylem on the inside of the ring, and secondary phloem on the outside, pushing the primary xylem and phloem apart. The vascular cambium usually consists of two types of cells: Fusiform initials (tall, axially oriented)

Detailed explanation-3: -Cambium refers to the slender plant membrane located right underneath the bark of a woody tree or plant. The cambium has several functions. In woody plants, it produces layers of xylem and phloem, consequently enhancing the stem’s diameter. It also encourages the secondary growth of roots and stems.

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