Abstract
The chive maggot Bradysia cellarum and the fungus gnat B. impatiens are two primary root pests of plants, which can coexist on the same host plants and are the devastating pests on liliaceous crops and edible fungi. Their growth and development are affected by the nutrient contents of their host plants. In this study, we assessed the effects of different host plant nutrients on the nutrient contents of these two Bradysia species. The nutrients of the chive (Allium tuberosum Rottl. ex Spreng.), board bean (Vicia faba L.), lettuce (Lactuca sativa L. var. ramosa Hort.), cabbage (Brassica oleracea L.), wild cabbage (Brassica oleracea var. capitata rubra) and pepper (Capsicum annuum L.) roots were determined, and their effect on nutrient content of the two Bradysia species after feeding on the host plant for three continuous generations were evaluated. The results show that chive and B-bean contained higher levels of protein, free amino acid, soluble sugar and starch than others. As a result, the soluble sugar, fat and protein contents were significantly higher in both Bradysia species reared on chive and B-bean than on cabbage, lettuce, W-cabbage and pepper, suggesting nutritional preference of these insects. Based on our results, we concluded that the two Bradysia species displayed nutrient preference toward chive and B-bean, which provides a reference for understanding their host plant range and for control of the insect species via field crop rotations.
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Claims 5
Claim · model-written summary
Chive and B-bean roots contained higher levels of protein, free amino acid and soluble sugar than the other host plants.
Verbatim
e0“chive and B-bean contained higher levels of protein, free amino acid, soluble sugar and starch than others”
Claim · model-written summary
Chive and B-bean roots contained higher starch levels than the other host plants.
Verbatim
e0“chive and B-bean contained higher levels of protein, free amino acid, soluble sugar and starch than others”
Claim · model-written summary
Soluble sugar, fat and protein contents were significantly higher in both Bradysia species reared on chive and B-bean than on cabbage, lettuce, W-cabbage and pepper.
- Treatment
- reared on chive and B-beane0
- Outcome
- soluble sugar, fat and protein contentse0
- Direction
- highere0
- Comparator
- cabbage, lettuce, W-cabbage and peppere0
BradysiaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the soluble sugar, fat and protein contents were significantly higher in both Bradysia species reared on chive and B-bean than on cabbage, lettuce, W-cabbage and pepper”
Claim · model-written summary
The authors concluded that the two Bradysia species displayed nutrient preference toward chive and B-bean.
- Outcome
- nutrient preference toward chive and B-beane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the two Bradysia species displayed nutrient preference toward chive and B-bean”
Claim · model-written summary
The authors state the results provide a reference for understanding host plant range and for control of the insects via field crop rotations.
Verbatim
e0“provides a reference for understanding their host plant range and for control of the insect species via field crop rotations”