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Shared Pheromone Compounds in Neotropical Rice Stink Bugs: The Role of Zingiberenol and Sesquipiperitol.
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Embrapa Recursos Genéticos e Biotecnologia, Laboratório de Semioquímicos, Brasília, DF, 70297-400, Brazil.
The small black stem bug, Paratibraca (= Glyphepomis) spinosa (Campos and Grazia 1998), is a rice pest in Brazil and is part of a complex of stink bugs that includes Oebalus poecilus (Dallas) and Tibraca limbativentris Stål. Together, these pentatomid species pose a serious threat to rice crops throughout South America. In this study, we identified the sex pheromone of P.
View Article and Find Full Text PDFThe Glycyrrhizae Radix et Rhizoma products processed with different methods, including raw materials(S) and products processed with honey according to the method in the Chinese Pharmacopoeia(Z) and Jianchangbang method(M), were analyzed in terms of the odor profile and volatile components by the electronic nose and headspace-gas chromatography-mass spectrometry(HS-GC-MS). The differential components in the three products were screened by chemometrics, on the basis of which the relative odor activity value(ROAV) was adopted to elucidate the odor differences among different products and the material basis of their odors. The results showed that the electronic nose effectively distinguished the products of Glycyrrhizae Radix et Rhizoma processed with different methods.
View Article and Find Full Text PDFMethyl jasmonate enabled maintained the postharvest flavor quality of ginger (Zingiber officinale roscoe) by reducing the loss of terpene volatile compounds.
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Hubei key Laboratory of Spices & Horticultural Plant Germplasm Innovation & Utilization, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, Hubei, China; Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, Hubei, China; College of Smart Agriculture /Institute of Special Plants, Chongqing University of Arts and Sciences, Yongchuan 402160, Chongqing, China. Electronic address:
Ginger, as a globally vital medicinal and food homologous crop, plays an irreplaceable role in human diet and healthcare. However, during the storage of ginger, the decline of physical properties and degradation of volatile flavor quality have emerged as an industrial concern that severely restricts the market value of the product. MeJA plays an essential role in extending fruit shelf life and regulate the synthesis of volatiles in horticultural products, yet its application in ginger remains unreported.
View Article and Find Full Text PDFGenome-wide analysis of basic helix-loop-helix (bHLH) transcription factors in petunia and identification of the putative candidate member involved in floral volatile benzenoids/phenylpropanoids metabolism.
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Zhejiang Provincial Key Laboratory of Germplasm Innovation and Utilization for Garden Plants, College of Landscape Architecture, Zhejiang Agriculture & Forestry University, Hangzhou 311300, Zhejiang, China. Electronic address:
The basic helix-loop-helix (bHLH) family, a prominent group of transcription factors, is involved in plant growth, development, and secondary metabolic processes. Petunia (Petunia hybrida), a beloved and widely cultivated garden flower, boasts a diverse array of varieties, some of which exude a captivating fragrance that has garnered immense popularity. The aromatic allure of petunias primarily stems from the presence of volatile benzenoids/phenylpropanoids, the principal floral scent compounds.
View Article and Find Full Text PDFAllelopathic effects on vegetative propagation, physiological-biochemical characteristic of Alternanthera philoxeroides (Mart.) Griseb from Cinnamomum camphora (L.) Presl.
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College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China; Shandong Key Laboratory for Germplasm Innovation of Saline-alkaline Tolerant Grasses and Trees, Qingdao, Shandong 266109, China. Electronic address:
Article Synopsis
- The study explores the allelopathic effects of Cinnamomum camphora on the invasive plant Alternanthera philoxeroides, focusing on its growth and physiological traits.
- C. camphora leaves were found to significantly suppress A. philoxeroides' asexual reproduction, with greater inhibition observed at higher temperatures and with increased leaf quantity.
- Key allelochemicals from C. camphora not only disrupted the plant's antioxidant systems but also led to reduced levels of crucial osmoregulatory substances like soluble sugar and protein, indicating a detrimental impact on A. philoxeroides' overall health.
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