Augmenting Genetic Variability in Leaf and Sap Volatiles of Appemidi (Mangifera Indica L.) Genetic Resources Collection from the Biodiversity Hotspot of Western Ghats of India

IF 1.5 Q3 AGRONOMY

Agricultural Research Pub Date : 2025-12-12 DOI:10.1007/s40003-025-00909-9

Veena Gonibeedu Lakshmana, Dinesh Makki Ramachandra, Shivashankara Kodathalu Seetharamaiah, Ravishankar Kundapura Venkataramana, Vasugi Chinnaiyan, Sankaran Murugan, Tapas Kumar Roy, Manjesh Guligenahalli Narayanappa

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引用次数: 0

Abstract

Aroma is a crucial quality trait in mangoes, indicative of species identity and geographic origin. This study examined 32 distinct indigenous mango genotypes originating from the western ghat regions of Karnataka and identified more than 80 volatile compounds across various chemical classes. Based on the dominant volatile profiles obtained through Gas chromatography Mass spectrometry (GC-MS) by headspace solid phase microextraction technique (HS-SPME) genotypes were grouped into monoterpenoid-dominant, sesquiterpenoid-dominant, and balanced types. Cluster analysis of monoterpenoids revealed three subgroups: Cluster I (α-Pinene and β-Phellandrene), Cluster II (Cis-Ocimene), and Cluster III (Limonene and β-Phellandrene). Significant positive correlations were observed between key monoterpenoids in the leaves and immature fruit sap, particularly β-Phellandrene (r = 0.89). Quantitative profiling identified unique aroma-active volatiles in Appemidi genotypes and findings established a direct link between foliar and sap aroma profiles, suggesting their utility as biomarkers.

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增加芒果叶挥发物和树液挥发物的遗传变异印度西高止山脉生物多样性热点地区遗传资源收集

香气是芒果的一项重要品质特征，反映了芒果的物种特征和地理来源。这项研究检查了来自卡纳塔克邦西部高止山脉地区的32种不同的本土芒果基因型，并鉴定了80多种不同化学类别的挥发性化合物。根据顶空固相微萃取技术（HS-SPME）气相色谱-质谱（GC-MS）获得的显性挥发性谱，将其基因型分为单萜类显性型、倍半萜类显性型和平衡型。聚类分析显示单萜类化合物有3个亚群：第1类（α-蒎烯和β-茶树烯）、第2类（顺式辛烯）和第3类（柠檬烯和β-茶树烯）。叶片中主要单萜类化合物与未成熟果实汁液呈显著正相关，其中以β-费蓝烯含量最高（r = 0.89）。定量分析鉴定了阿佩米迪基因型中独特的香气活性挥发物，研究结果建立了叶面和树液香气谱之间的直接联系，表明它们作为生物标志物的实用性。

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来源期刊

Agricultural Research AGRONOMY-

CiteScore

3.80

自引率

0.00%

发文量

期刊介绍： The main objective of this initiative is to promote agricultural research and development. The journal will publish high quality original research papers and critical reviews on emerging fields and concepts for providing future directions. The publications will include both applied and basic research covering the following disciplines of agricultural sciences: Genetic resources, genetics and breeding, biotechnology, physiology, biochemistry, management of biotic and abiotic stresses, and nutrition of field crops, horticultural crops, livestock and fishes; agricultural meteorology, environmental sciences, forestry and agro forestry, agronomy, soils and soil management, microbiology, water management, agricultural engineering and technology, agricultural policy, agricultural economics, food nutrition, agricultural statistics, and extension research; impact of climate change and the emerging technologies on agriculture, and the role of agricultural research and innovation for development.