Phyllotreta cruciferae is an important insect pest of spring-planted Brassica crops, especially during the seedling stage. To determine the effect of early season P. cruciferae infestation on seed yield, 10 genotypes from each of two canola species (Brassica napus L. and Brassica rapa L.) and two mustard species (Brassica juncea L. and Sinapis alba L.) were grown in 2 yr under three different P. cruciferae treatments: (1) no insecticide control; (2) foliar applications of endosulfan; and (3) carbofuran with seed at planting plus foliar application of carbaryl. Averaged over 10 genotypes, B. rapa showed most visible P. cruciferae injury and showed greatest yield reduction without insecticide application. Mustard species (S. alba and B. juncea) showed least visible injury and higher yield without insecticide compared with canola species (B. napus and B. rapa). Indeed, average seed yield of S. alba without insecticide was higher than either B. napus or B. rapa with most effective P. cruciferae control. Significant variation occurred within each species. A number of lines from B. napus, B. juncea, anid S. alba showed less feeding injury and yield reduction as a result of P. cruciferae infestation compared with other lines from the same species examined, thus having potential genetic background for developing resistant cultivars.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1603/0022-0493-97.5.1642 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Prognosticating post-bariatric surgery outcomes and management of postoperative recurrent weight gain and diabetes recurrence.
Front Nutr
December 2024
Department of Gastroenterology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.
Bariatric surgery stands as the most potent treatment for achieving substantial weight reduction and alleviating the complications associated with obesity. However, it is not the treatment of choice for patients with obesity combined with type 2 diabetes mellitus, and the benefit of bariatric surgery varies widely among individuals. There is a noticeable inconsistency in the outcomes following these procedures.
View Article and Find Full Text PDFBenchmarking lung cancer screening programmes with adaptive screening frequency against the optimal screening schedules derived from the ENGAGE framework: a comparative microsimulation study.
EClinicalMedicine
August 2024
Division of Cancer Prevention and Population Sciences, Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Background: Lung cancer screening recommendations employ annual frequency for eligible individuals, despite evidence that it may not be universally optimal. The impact of imposing a structure on the screening frequency remains unknown. The ENGAGE framework, a validated framework that offers fully dynamic, analytically optimal, personalised lung cancer screening recommendations, could be used to assess the impact of screening structure on the effectiveness and efficiency of lung cancer screening.
View Article and Find Full Text PDFCoupling Nitrate-to-Ammonia Conversion and Sulfion Oxidation Reaction Over Hierarchical Porous Spinel MFeO (M═Ni, Co, Fe, Mn) in Wastewater.
Small
January 2025
School of Resources, Environment and Materials, Guangxi University, Nanning, Guangxi, 530004, China.
The construction of coupled electrolysis systems utilizing renewable energy sources for electrocatalytic nitrate reduction and sulfion oxidation reactions (NORR and SOR), is considered a promising approach for environmental remediation, ammonia production, and sulfur recovery. Here, a simple chemical dealloying method is reported to fabricate a hierarchical porous multi-metallic spinel MFeO (M═Ni, Co, Fe, Mn) dual-functional electrocatalysts consisting of Mn-doped porous NiFeO/CoFeO heterostructure networks and Ni/Co/Mn co-doped FeO nanosheet networks. The excellent NORR with high NH Faradaic efficiency of 95.
View Article and Find Full Text PDFReimbursement prices of new, innovative medicines in Germany: a comparison of negotiation and cost-effectiveness analysis.
Health Econ Policy Law
January 2025
Economics & Law Department, Frankfurt School of Finance & Management, Frankfurt, Germany.
This study aimed to compare reimbursement prices for new, innovative non-orphan drugs in Germany based on price negotiation and cost-effectiveness analysis, using the efficiency frontier (EF) approach and cost-utility analysis (CUA). For the EF, the next effective intervention and no intervention were used as comparators. Three pairwise comparisons were conducted: negotiation vs EF, CUA vs EF and negotiation vs CUA.
View Article and Find Full Text PDFSulfoxidation of pyrimidine thioate derivatives and study their biological activities.
Sci Rep
January 2025
Chemistry Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
In a quest to innovate biologically active molecules, the benzoylation of 4,6-dimethylpyrimidine-2-thiol hydrochloride (1) with benzoyl chloride derivatives was employed to produce a series of pyrimidine benzothioate derivatives (2-5). Subsequent sulfoxidation of these derivatives (2-5) using hydrogen peroxide and glacial acetic acid yielded a diverse array of pyrimidine sulfonyl methanone derivatives (6-9). In parallel, the sulfoxidation of pyrimidine sulfonothioates (10-12) yielded sulfonyl sulfonyl pyrimidines (13-15), originating from the condensation of compound 1 with sulfonyl chloride derivatives.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!