Abstract
Of the wide list of insect pests recorded on wheat in Ethiopia, only few field and storage insects are major pests while others are of minor importance. Barley shoot fly is a major pest of barley on the highlands of Ethiopia. The Southeast agroecology, particularly, the mid and high altitude areas of Bale are the hot spot areas for this pest. The formerly identified shoot fly species, Delia arambourgi Seguy has been catalogued as minor pest of wheat in Ethiopia but the pest situation of the recently reported species from Bale, D. flavibasis Stein has not been assessed with respect to wheat. Thus, this study was initiated to investigate the degree of infestation of wheat by barley shoot fly at Sinana, Southeast. Ethiopia. Accordingly, one pot culture and three field experiments were conducted at Sinana including a study on off-season infestation assessment. Results of both pot culture and field studies revealed that wheat was highly infested by D. flavobasis both under pot culture and field conditions indicating that this crop, besides barley, is another main host for this pest in Bale. In the pot experiment, infestation of wheat was 87 percent and in the field infestation generally ranged from 20-90 percent and 34-70 percent in Experiment II, and I respectively. During the non-crop period infestation of wheat by barley shoot fly reached nearly 20 percent. This implies that, volunteer wheat seedlings are among very important hosts for barley shoot fly during the non-crop periods to maintain population till the cropping season commences. Generally, it could be concluded that D. flavibasois is a major pest of wheat in Bale, Southeast Ethiopia and there is a need for management interventions similar to barley.
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Claims 7
Claim · model-written summary
Wheat was highly infested by D. flavobasis in pot culture and fields, making it another main host in Bale.
- Taxon
- wheat
Triticum aestivume0 - Interactor
- D. flavobasise0pest
- Outcome
- highly infestede0
- Setting
- Balee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat was highly infested by D. flavobasis both under pot culture and field conditions indicating that this crop, besides barley, is another main host for this pest in Bale”
Claim · model-written summary
Pot-culture wheat infestation was 87 percent.
- Taxon
- wheatTriticum aestivume0
- Outcome
- infestatione0
- Value
- 87 percente0
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the pot experiment, infestation of wheat was 87 percent”
Claim · model-written summary
Field wheat infestation ranged from 20-90 percent in Experiment II.
Not reportedTaxon
Verbatim
e0“in the field infestation generally ranged from 20-90 percent and 34-70 percent in Experiment II, and I respectively”
Claim · model-written summary
Field wheat infestation ranged from 34-70 percent in Experiment I.
Not reportedTaxon
Verbatim
e0“in the field infestation generally ranged from 20-90 percent and 34-70 percent in Experiment II, and I respectively”
Claim · model-written summary
Non-crop-period wheat infestation by barley shoot fly reached nearly 20 percent.
- Taxon
- wheatTriticum aestivume0
- Interactor
- barley shoot flye0pest
- Outcome
- infestatione0
- Value
- nearly 20 percente0
- Qualifier
- non-crop periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the non-crop period infestation of wheat by barley shoot fly reached nearly 20 percent”
Claim · model-written summary
The authors conclude that volunteer wheat seedlings maintain barley shoot fly populations between cropping seasons.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedlingse0
- Interactor
- barley shoot flye0pest
- Outcome
- maintain populatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“volunteer wheat seedlings are among very important hosts for barley shoot fly during the non-crop periods to maintain population till the cropping season commences”
Claim · model-written summary
The authors conclude that D. flavibasois is a major wheat pest in Bale and management interventions are needed.
- Taxon
- wheatTriticum aestivume0
- Interactor
- D. flavibasoise0pest
- Outcome
- management interventionse0
- Setting
- Bale, Southeast Ethiopiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“D. flavibasois is a major pest of wheat in Bale, Southeast Ethiopia and there is a need for management interventions similar to barley”