Question

Leaves of the coconut trees, divided into
leaflets how does it help
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Answer 1

Answer:

The first leaves of a coconut seedling have the pinnae fused together and appear as entire leaves. After eight to ten have been formed, subsequent leaves tend to split into leaflets. After about 3-4 years, the stem starts to form with a single terminal growing point where new leaves develop. Generally, a normal adult palm produces 12-16 new leaves annually, each bearing a corresponding flower cluster (inflorescence). There are about 30-40 leaves in a healthy crown with a similar number of leaf primordia, each differentiated about 30 months before it emerges as a 'sword leaf'. A mature leaf is 3-4 m long and has 200-250 leaflets. A leaf remains on the palm for about 3 years and thereafter, shed leaving a permanent scar on the trunk.

The age of an adult palm is correlated with the number of leaf scars. The number of scars on the stem, divided by 13, gives the approximate age of the palm in years (Mahindapala 1991). This may be important in estimating the age of existing palms used as parent materials in breeding.

Explanation:

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