project proposal presentation
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TITLE: EFFICACY OF COMMANDER (Oxyfluorfen) IN THE MANAGEMENT OF WEEDS IN ONIONS
Project to be conducted by:NAME: ANDREW NZUKI MANZOLO
Reg. No.: A22/0058/2009Course: Bsc. Agriculture (Crop Protection
major)Supervisor:
Prof. J.W KimenjuDepartment of Plant Science and Crop
Protection,University of Nairobi.
Red Creole is the variety of onion widely grown and consumed in Kenya.
It’s optimal production is limited by poor, little or no management of weeds.
Negative effects of weeds in onions: stunted growth, triggers initiation of onion bulbs in vegetative stage and alternate hosts for pest and diseases in onions.
Therefore, it’s necessary to control weeds in onions to avoid huge crop loss.
Currently, use of GALIGAN (oxyfluorfen) in management of weeds in onions has shown negative effects-low yields
Weeds are a major limiting factor in onion production-resistance.
Galigan (50ml/20ml)-has not been effective in control of weeds in onions
JustificationFind a new and effective rate of
application of oxyfluorfen.
General objectives To manage weeds in onions effectively
using oxyfluorfen to increase yields in onions
Specific objectives To come up with a suitable rate of application of
oxyfluorfen to control weeds in onions To produce clean and quality onion produce due
to absence of weeds To compare the action of COMMANDER(test
herbicide) with GALIGAN(Standard herbicide)
• COMMANDER(Oxyfluorfen)-test herbicide• Onion seedlings (Red Creole)• Marker tapes and strings• 16 liter knapsack sprayer• Marker supporters• Fungicide (Master 72)• Insecticide (TWIGA ACE) • Fertilizer-D.A.P, C.A.N and N.P.K
Field layout: plots 2 by 2M (17 by 7M) Spacing: inter-plot spacing 0.5M, onion
spacing 6-10 cm, inter-row spacing 30cm Number of onion plants per plot 140
BLOCK 1
T4 T3 T5 T1 T6 T7 T2
BLOCK 3
T3 T7 T6 T4 T1 T5 T2
BLOCK 2
T2 T5 T1 T3 T6 T7 T4
Applied treatments•T1 will be weed throughout•T2 will be weed free•T3 will be farmers practice•T4 will be 43.4 ml COMMANDER in 20l of water•T5 will be 65ml COMMANDER in 20l of water•T6 will be 86.6 ml COMMANDER in 20l of water and •T7 will be 50ml of GALIGAN in 20l of water
The weed data will be taken after every two weeks until the 4th data.
Weeds to be sampled: narrow leafed(star grass, love grass and sedges), broad leafed (datura, gallant soldier, o. latifolia, amaranthus, wandering jew and targetes minuta)
Details of data will include: spp of the weed, No. of each weed spp, height of each weed, survival rate of onions after treatment, scoring for chlorosis, twisting of onion leaves and stunted growth.
2012 2013
Activity December
January February
March April
Writing proposal √
Proposal presentation √
Experiment setup √
Agronomic practices √ √ √ √ √
Data collection √ √ √ √
Data analysis √
Project report writing √
Item Unit cost (Ksh) Quantity Total cost (Ksh)
Onion seedlings 1 2940 seedlings 2,940
D.A.P 90 2 kg 180
C.A.N 70 2 kg 140
N.P.K 75 2 kg 150
Mark tape 100 1 piece 100
Fungicide (master 72)
600 1 kg 600
Insecticide (TWIGA ACE(
400 100 ml 400
Labor 412 15 days 6,315
Total 10,825
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