The diagram below represents the cross-section of citrus fruit. Study it carefully and use it to answer the following questions.
(a) ldentify the fruit
(b) What type of fruit is it?
(c) Name the parts labelled A to D.
(d) State three varieties/cultivars of the citrus.
(e) State;
(i) The method of propagation
(ii) Maturation period of the citrus.
(f) List (i) two diseases and
(ii) two pests of the citrus.
Explanation
(a) Orange/citrus fruit.
(b) Berry / Hesperidium
(c) A= Epicarp. B=Mesocarp. C= Endocarp, D = Seed
(d)
- Sweet orange
- lime
- grape
- lemon
- tangerine
- bitter orange.
(e)(i) By seed propagation e.g. budding
(ii) 3-7 years
(f) (i) Two diseases;
- Gummosis
- Tristeza
- Citrus Scab
(ii) Two pests;
- Thrips
- Red mites,
- scale insects,
- aphids,
- fruit borers,
- leaf hoppers.