EFFECT OF SIX WEED MANAGEMENT TECHNIQUES ON WEEDCONTROL AND GROWTH AND YIELD OF PLATAIN (musa spp AAB cv AGBAGBA AT NSUKKA
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EFFECT OF SIX WEED MANAGEMENT
TECHNIQUES ON WEEDCONTROL AND GROWTH AND YIELD OF PLATAIN (musa spp AAB cv
AGBAGBA AT NSUKKA
ABSTRACT
The effects
of five weed management techniques and a weed free control on weed infestation
and
on the
growth and yield of a plantain landrace (Musa spp. AAB Agbagba) were evaluated
during the two cropping seasons of 2005 and 2006 at Nsukka, Nigeria. The
experiment was laid out in randomised complete block design (RCBD) with six
treatments and replicated four times. The treatments comprised six weed
management techniques, which consisted of slashing at 8-weekly intervals,
mulching with sawdust alone, use of glyphosate + intermittent slashing, use of
sawdust mulching + glyphosate, use of glyphosate alone and a weed-free (by
hoeing) control.
Results of
the study showed that there was a significant (P<0.05) difference in the
effectiveness of the various weed management techniques on weed control.
Mulching +
glyphosate treatment was the most effective weed control technique compared to
other
treatments.
The result also showed a significant (P<0.05) difference in the suckering
ability as a result of the mulching effect. This was such that mulched plots
produced the highest number of suckers with a mean value of 4.2 and glyphosate
alone treated plots produced the least number of suckers with a mean value of
l.7 at 36 WAT. Plant heights, number of leaves, leaf area and fruit yield were
also significantly (P <0.05) affected by the treatments. The result showed
that mulching + glyphosate weed management strategy supported the best plant
growth with mean values of 139.7 cm, 4.3 and 12348.8 cm2 for plant height,
number of leaves and leaf area respectively without any lodging. The treatment
also supported the best fruit yield of 12.1t/ha with the highest benefit/cost
ratio of 3.87 and gross margin of 74.2 as compared to the rest of the other
treatments.
TABLE OF CONTENT:
CHAPTER ONE
INTRODUCTION
1.1 Background of the
Study
1.2 Statement of the Research
Problem
1.3 Objectives of the
Study
1.4 Significance of
the Study
1.5 Research Questions
1.6 Research
Hypothesis
1.7 Conceptual and
Operational Definition
1.8 Assumptions
1.9 Limitations of the
Study
CHAPTER TWO
LITERATURE REVIEW
2.1 Sources of
Literature
2.2 The Review
2.3 Summary of
Literature Review
CHAPTER THREE
RESEARCH METHODOLOGY
3.1 Research Method
3.2 Research Design
3.3 Research Sample
3.4 Measuring
Instrument
3.5 Data Collection
3.6 Data Analysis
3.7 Expected Result
CHAPTER FOUR
DATA ANALYSIS AND RESULTS
4.1 Data Analysis
4.2 Results
4.3 Discussion
CHAPTER FIVE
SUMMARY AND RECOMMENDATIONS
5.1 Summary
5.2 Recommendations
for Further Study
References
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