NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF AGRICULTURAL SCIENCE
JANUARY/FEBRUARY 2013 EXAMINATION

COURSE TITLE:        PERMANENT CROP PRODUCTION        CODE:(ACP303)

    INSTUCTION:        ANSWER ANY FOUR QUESTIONS IN TWO HOURS

    All Questions weighs 15 marks

    Total marks obtainable=60

Q1

1. Identify any five permanent crops using their comon names only.
2. List any five products that can be obtained from Elaeis guinensis
3. Briefly discuss the economic importance of permanent crops

Q2    Write a short note on any 3 of the following cultural practices

 ( i) Felling

(ii) Weeding

(iii) Shading

(iv)  Pruning 

(v) Mulching

Q3

1. List any 3 types of fertilizers used  in permanent crop production

b) List any 3 method of detecting nutrient deficiencies in permanent crops

c) List any 3 methods of applying fertilizers to permanent crops.

d)  List any 3 nitrogen defficiency symptoms in threbroma cocao

e) List any 3 qualities of a good soil on which plantation crop can be established

Q4

(a) List any 3 organisms that can cause diseasea in plantation crops

(b) List any3 classes of pes t of plantation crops

(c) List one fungi disease each of the following permanent crops.

  (I ) Elaeis guinensis

 (ii)  threbroma caocao

 (iii) Cola nitida

d)Name the specific class of pesticides/chemical used in the control of:

(i) weeds --

 (ii)insect---

 (iii) Mollusc ---

 (iv)mites ---

 (v)bacteria ----

 (vi)virus-----

vi)fungi-------

vii) Avis-------

iii) Rodents---

Q5 a) Describe the climatic elements that plays significant roles in the choice of site to  establish a plantation  of permanent crops,

    Q5 b) list any 5 quality attribute of soil recommended for plant in threbroma caocao

Q6

a ( i) Name 3 tools that are good for harvesting threbroma caocao         

 (ii) Give a reason why hand pulling to harvest the crop in cocoa is not recommended

 (iii) Briefly describe the harvest indices of oil palm fruit.

Q6(b) List any 3 methods of depulping Cola nitida

Q6(C) what is the major Difference between Cola nitida and Cola acumunata