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利用拉曼光谱对植物氮素缺乏进行早期诊断与管理

Early Diagnosis and Management of Nitrogen Deficiency in Plants Utilizing Raman Spectroscopy.

作者信息

Huang Chung Hao, Singh Gajendra Pratap, Park Su Hyun, Chua Nam-Hai, Ram Rajeev J, Park Bong Soo

机构信息

Temasek Life Sciences Laboratory, National University of Singapore, Singapore, Singapore.

Disruptive & Sustainable Technologies for Agricultural Precision, Singapore-MIT Alliance for Research and Technology, Singapore, Singapore.

出版信息

Front Plant Sci. 2020 Jun 5;11:663. doi: 10.3389/fpls.2020.00663. eCollection 2020.

DOI:10.3389/fpls.2020.00663
PMID:32582235
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7291773/
Abstract

Nutrient deficiency alters growth and development of crop plants and compromises yield. Real-time non-invasive monitoring of the nutritional status of crops would allow timely applications of fertilizers to optimize for growth and yield at different times of the plant's life cycle. Here, we used Raman spectroscopy to characterize Arabidopsis and two varieties of leafy vegetable crops under nitrogen sufficient and deficient conditions. We showed that the 1046 cm Raman peak serves as a specific signature of nitrogen status , which can be used for early diagnosis of nitrogen deficiency in plants before onset of any visible symptoms. Our research can be applied toward crop management for sustainable and precision agriculture.

摘要

营养缺乏会改变作物的生长发育并降低产量。对作物营养状况进行实时非侵入性监测将有助于及时施肥，从而在植物生命周期的不同阶段优化生长和产量。在此，我们利用拉曼光谱对氮素充足和缺乏条件下的拟南芥及两种叶菜类作物品种进行了表征。我们发现，1046厘米的拉曼峰可作为氮素状况的特定特征，可用于在植物出现任何可见症状之前早期诊断氮素缺乏。我们的研究可应用于可持续精准农业的作物管理。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/cba72b1baec2/fpls-11-00663-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/6513979c7efb/fpls-11-00663-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/b3ca62334a95/fpls-11-00663-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/bc0fe8a07136/fpls-11-00663-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/89fdd63e22e8/fpls-11-00663-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/cba72b1baec2/fpls-11-00663-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/6513979c7efb/fpls-11-00663-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/b3ca62334a95/fpls-11-00663-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/5db2325fd4fe/fpls-11-00663-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/4ee9a29492c0/fpls-11-00663-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/bc0fe8a07136/fpls-11-00663-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/89fdd63e22e8/fpls-11-00663-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4992/7291773/cba72b1baec2/fpls-11-00663-g007.jpg

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