NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF AGRICULTURAL SCIENCE
MAY/JUNE 2012 EXAMINATION

ACP303: PERMANENT CROP PRODUCTION

TIME ALLOWED: 2 Hours

INSTRUCTION(S): ANSWER  ANY FOUR QUESTIONS IN TWO HOURS

Q1.      a.       Identify any five permanent crops using their comon names only

1. List any five products that can be obtained from Elaeisguinensis
2. Briefly discuss the economic importance of permanent crops

Q2.    Write a short note on of the following cultural practices

( i) Felling  (ii) weeding (iii) shading (iv)     pruning   (v) Mulching

Q3.           a. List any 3 types of fertilizers used  in permanent crop production

1. List any 3 method of detecting nutrient deficiencies in permanent crops
2. List any 3 methods of applying fertilizers to permanent crops.
3. List any 3 nitrogen defficiency symptoms in threbromacaocao
4. 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

1. List any3 classes of pest of plantation crops
2. List one fungi disease each of the following permanent crops. (i) Elaeisguinensis (ii)threbromacaocao (iii) Cola nitida
3. Name the specific class of pesticides/chemical used in the control of :

(i) weeds (ii) insect (iii) Mollusc (iv)mites (v)bacteria (vi)virus

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

          b) list any 5 qulity attribute of soil recommended for planting threbromacaocao

Q6.     a.       ( i) Name 2 tools that are good for harvesting threbromacaocao

(ii)Give a reason why hand pullig to harvest  the crop in ai is not recmmended

b.       List any 2 methods of depulpingCola nitida

 (iii) List any 2 hervest indices of oil palm fruit.

1.  What is the major Difference between Cola nitida and Cola acumunata