IDENTIFICATION OF FUNGI ASSOCIATED WITH THE SPOILAGE OF SWEET POTATO TUBERS SOLD AT OGBETE MAIN MARKET IN ENUGU, ENUGU NORTH LOCAL GOVERNMENT AREA. ENUGU STATE

IDENTIFICATION OF FUNGI ASSOCIATED WITH THE SPOILAGE OF SWEET POTATO TUBERS SOLD AT OGBETE MAIN MARKET IN ENUGU, ENUGU NORTH LOCAL GOVERNMENT AREA. ENUGU STATE

ABSTRACT

Spoilt sweet potato tuber samples bought from Ogbete main market Enugu were used for this study. The isolation study and pathogenicity test were carried out. The result shows that the spoilage of sweet potato tubers was caused by fungi. The fungi isolated were Aspergillus sp, Rhizopus sp, Fusarium sp, and Phoma sp.

TABLE OF CONTENTS

CHAPTER ONE

1.0   INTRODUCTION                                               1

1.1   AIM OF THE STUDY                                        7

CHAPTER TWO

2.0   LITERATURE REVIEW                                     8

CHAPTER THREE

3.0   MATERIAL AND METHOD                                       12

CHAPTER FOUR

4.0   RESULTS                                                         18

4.1   TABLE 1                                                          22

4.2   TABLE 2                                                          23

CHAPTER FIVE

5.0   CONCLUSION                                                  25

REFERENCES                                                        29

CHAPTER ONE

INTRODUCTION

Sweet potatoe (ipomoea batatas l) is root tuber crop belonging to the family convolvulaceae. It is an energy rich carbohydrate food. It thrives very well in moderately warm climates. It requires a growing period of at least four months of warm weather. The crop is grown extensively in Nigeria, especially in northern part. Sweet potatoes are one of the major subsistence crops in Nigeria. According to Olakesuisi (2004) root and tubers refers to any grown plant that stores edible materials in the roots, corms or tubers.

IDENTIFICATION OF FUNGI ASSOCIATED WITH THE SPOILAGE OF SWEET POTATO TUBERS SOLD AT OGBETE MAIN MARKET IN ENUGU, ENUGU NORTH LOCAL GOVERNMENT AREA. ENUGU STATE