Abstract
A field experiment on ginger weed management was conducted at Metu from2009 and 2011 with the objective of identifying effective weed management for ginger under Metu condition. Different weed management methods were compared in a Randomized Complete Block Design with three replications. The treatments were: hand weeding at 30,60,90, days after planting, .hand weeding at 45,75,105,135 &165 days after planting, hand weeding at 60,90,120,& 150 days after planting, mulching at planting followed by hand weeding at 45 and 75 days after planting, . mulching at planting followed by hand weeding at 60 and 90 days after planting, hand weeding at 30 and60 days after planting followed by mulching followed by one hand weeding as needed, The result showed that the major weeds at both locations were: Cynodon spp., Cyprus spp., Digitaria spp., Gyzotia scabra, Bidens polynchyma, Nicandra physaloides, Commelina spp., Bidens pilosa, and Ageratum conyzoides. hand weeding at 30 and60 days after planting followed by mulching followed by one hand weeding as needed, hand weeding at 45 and 75 followed by mulching followed by one hand weeding as needed and weed free and weedy controls.The result reveled a highly significant (p < 0.01) difference between treatments The result showed that as weeding frequency increased yield of ginger also increased. One early hand weeding between 30 and 45 days was critical to secure high yield of ginger. Mulching at planting followed by two hand weeding at 60 and 90 days after planting gave higher yield compared with the clean weeding treatment. Similarly hand weeding at 30 and 60 days followed by mulching and followed by one hand weeding also gave similar yield with clean weeding. Mulching at planting enhanced early germination and growth of ginger compared with non mulched ginger. On the other hand, the result also showed that ginger was poorly competed with weeds that when the first hand weeding was delayed from 30 to 45 and 60 days after planting ginger growth was affected resulting in tremendous yield loss. The result also clearly showed that three hand weeding at 30,60 and 90 days after planting was not adequate under Metu condition. When weeding was totally ignored throughout the growing period yield reduction amounted 95.5 %.
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Claims 11
Claim · model-written summary
The listed weed taxa were the major weeds at both locations.
- Taxon
- ginger
Zingiber officinalee1 - Outcome
- major weedse0
- Qualifier
- Cynodon spp., Cyprus spp., Digitaria spp., Gyzotia scabra, Bidens polynchyma, Nicandra physaloides, Commelina spp., Bidens pilosa, and Ageratum conyzoidese0
- Setting
- both locationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The result showed that the major weeds at both locations were: Cynodon spp., Cyprus spp., Digitaria spp., Gyzotia scabra, Bidens polynchyma, Nicandra physaloides, Commelina spp., Bidens pilosa, and Ageratum conyzoides”
e1“ginger weed management”
Claim · model-written summary
Weed management treatments differed significantly.
- Taxon
- gingerZingiber officinalee1
- Outcome
- difference between treatmentse0
- Value
- p < 0.01e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The result reveled a highly significant (p < 0.01) difference between treatments”
e1“yield of ginger also increased”
Claim · model-written summary
Ginger yield rose as weeding frequency increased.
- Taxon
- gingerZingiber officinalee0
- Treatment
- weeding frequencye0
- Outcome
- yield of gingere0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“as weeding frequency increased yield of ginger also increased”
Claim · model-written summary
One early hand weeding between 30 and 45 days was critical for high ginger yield.
- Taxon
- gingerZingiber officinalee0
- Outcome
- One early hand weeding between 30 and 45 dayse0
- Qualifier
- high yield of gingere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“One early hand weeding between 30 and 45 days was critical to secure high yield of ginger”
Claim · model-written summary
Mulching at planting followed by hand weeding at 60 and 90 days yielded more than clean weeding.
- Taxon
- gingerZingiber officinalee1
- Treatment
- Mulching at planting followed by two hand weeding at 60 and 90 days after plantinge0
- Outcome
- yielde0
- Direction
- highere0
- Comparator
- clean weeding treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulching at planting followed by two hand weeding at 60 and 90 days after planting gave higher yield compared with the clean weeding treatment”
e1“yield of ginger also increased”
Claim · model-written summary
Hand weeding at 30 and 60 days followed by mulching and another weeding gave yield similar to clean weeding.
- Taxon
- gingerZingiber officinalee1
- Treatment
- hand weeding at 30 and 60 days followed by mulching and followed by one hand weedinge0
- Outcome
- yielde0
- Direction
- similare0
- Comparator
- clean weedinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“hand weeding at 30 and 60 days followed by mulching and followed by one hand weeding also gave similar yield with clean weeding”
e1“yield of ginger also increased”
Claim · model-written summary
Mulching at planting enhanced early ginger germination and growth compared with no mulching.
- Taxon
- gingerZingiber officinalee0
- Treatment
- Mulching at plantinge0
- Outcome
- early germination and growthe0
- Direction
- enhancede0
- Comparator
- non mulched gingere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulching at planting enhanced early germination and growth of ginger compared with non mulched ginger”
Claim · model-written summary
Delaying first weeding from 30 to 45 or 60 days impaired ginger growth.
- Taxon
- gingerZingiber officinalee0
- Treatment
- first hand weeding was delayed from 30 to 45 and 60 days after plantinge0
- Outcome
- ginger growthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when the first hand weeding was delayed from 30 to 45 and 60 days after planting ginger growth was affected”
Claim · model-written summary
Delaying the first weeding caused severe ginger yield loss.
- Taxon
- gingerZingiber officinalee0
- Treatment
- first hand weeding was delayed from 30 to 45 and 60 days after plantinge0
- Outcome
- yield losse0
- Direction
- losse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when the first hand weeding was delayed from 30 to 45 and 60 days after planting ginger growth was affected resulting in tremendous yield loss”
Claim · model-written summary
Three weedings at 30, 60 and 90 days were judged inadequate at Metu.
- Taxon
- gingerZingiber officinalee1
- Outcome
- three hand weeding at 30,60 and 90 days after planting was not adequatee0
- Setting
- Metue0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“three hand weeding at 30,60 and 90 days after planting was not adequate under Metu condition”
e1“yield of ginger also increased”
Claim · model-written summary
No weeding during the growing period reduced yield by 95.5%.
- Taxon
- gingerZingiber officinalee1
- Treatment
- weeding was totally ignored throughout the growing periode0
- Outcome
- yielde0
- Direction
- reductione0
- Value
- 95.5 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When weeding was totally ignored throughout the growing period yield reduction amounted 95.5 %”
e1“yield of ginger also increased”
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See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.