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A review of the foliar application of individual amino acids as biostimulants in plants. 植物中单个氨基酸作为生物刺激素的叶面应用综述。

Discover agriculture Pub Date : 2025-01-01 Epub Date: 2025-05-13 DOI: 10.1007/s44279-025-00222-7

Bethany C R Henderson, John M Sanderson, Andrew Fowles

{"title":"A review of the foliar application of individual amino acids as biostimulants in plants.","authors":"Bethany C R Henderson, John M Sanderson, Andrew Fowles","doi":"10.1007/s44279-025-00222-7","DOIUrl":"https://doi.org/10.1007/s44279-025-00222-7","url":null,"abstract":"Enhancing crop yields in an environmentally sustainable manner is crucial in the agricultural sector, given the challenges posed by population growth, climate change, and the need to reduce pesticide usage. Biostimulants, such as amino acids, offer natural and stable solutions to improve yield, growth, and resistance to external factors. They achieve this by reducing the impact of abiotic stress and stimulating plant defence mechanisms. As biostimulants, amino acids' simplicity, cost-effectiveness, and environmental friendliness have garnered recognition whilst offering natural and stable solutions to improve crop yield and resistance to external factors. Mixtures containing multiple amino acids are commonly used in agriculture, but the effects of individual components within these mixtures are less understood. This review summarises current knowledge on the effects of the foliar application of the 20 most common naturally occurring amino acids. The similarities in observed effects, as well as proposed modes of action, have been discussed. Notably, distinct differences in the modes of action of these amino acids have been observed, with two key themes emerging: firstly, an enhancement in the rate of photosynthesis through the promotion of chlorophyll synthesis or improved electron transfer in Photosystem II (PSII); secondly, protection against oxidative stress, either by increasing antioxidant synthesis or directly acting as antioxidants. For some amino acids, the mode of action after foliar application is unclear, or the effects are minor, highlighting the need for further research into their specific mechanisms of action.Supplementary information: The online version contains supplementary material available at 10.1007/s44279-025-00222-7.","PeriodicalId":520507,"journal":{"name":"Discover agriculture","volume":"3 1","pages":"69"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12075294/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Extracts of tomatoes and potatoes as biopesticides: a review. 番茄和马铃薯提取物作为生物农药的研究进展。

Discover agriculture Pub Date : 2025-01-01 Epub Date: 2025-04-22 DOI: 10.1007/s44279-025-00216-5

Joshua Ibukun Adebomi, Jianfeng Guo, Catherine Hui Niu

{"title":"Extracts of tomatoes and potatoes as biopesticides: a review.","authors":"Joshua Ibukun Adebomi, Jianfeng Guo, Catherine Hui Niu","doi":"10.1007/s44279-025-00216-5","DOIUrl":"https://doi.org/10.1007/s44279-025-00216-5","url":null,"abstract":"Pest control is crucial to protect animals and plants in the agriculture industry. Biopesticides, because of being environmentally friendly and renewable, have attracted more attention in recent years. Nonetheless, due to costs, issues with controlling pests across various agricultural methods, and supplementary obstacles, biopesticides constitute a minor portion of the worldwide market for crop protection. Agricultural products like tomatoes and potatoes stand as examples of Solanaceae, a significant plant family with numerous economically vital species. From 2022 to 2027, the tomato market is anticipated to have a Compound Annual Growth Rate (CAGR) of 5.6%. Likewise, the worldwide market size for potato starch is predicted to attain a value of $4.9 billion with a market growth of 3.5% CAGR by 2027. After harvest, tomato and potato by-products such as leaves, peels, stems, and so on are generated as by-products, but they have not been effectively utilized. Recent research studies show that extract of the byproducts contains components such as glycoalkaloids, flavonoids, additional phenolics, ketones, and so on, which can be used as biopesticides. For proper pest control and utilization of the by-products in agriculture and related industries, this paper provides a review of recent progress on the research of the active components in the extracts of agricultural by-products of tomato and potato, their roles for pest control, extraction methods, challenges, its future development, and more.","PeriodicalId":520507,"journal":{"name":"Discover agriculture","volume":"3 1","pages":"60"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053842/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144057591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of cultivar selection on symbiotic nitrogen fixation and yield traits of pea cultivars in intercropping with wheat. 品种选择对小麦间作豌豆品种共生固氮及产量性状的影响。

Discover agriculture Pub Date : 2025-01-01 Epub Date: 2025-06-19 DOI: 10.1007/s44279-025-00261-0

Chathuranga De Silva, Pramod Rathor, Thomas D Warkentin, Hari P Poudel, Malinda S Thilakarathna

{"title":"Effect of cultivar selection on symbiotic nitrogen fixation and yield traits of pea cultivars in intercropping with wheat.","authors":"Chathuranga De Silva, Pramod Rathor, Thomas D Warkentin, Hari P Poudel, Malinda S Thilakarathna","doi":"10.1007/s44279-025-00261-0","DOIUrl":"10.1007/s44279-025-00261-0","url":null,"abstract":"In recent decades, agricultural practices have shifted from diverse cropping systems to monocropping, leading to soil degradation, nutrient depletion, and reduced biodiversity, which threaten long-term productivity and ecosystem sustainability. This study aimed to explore how legume cultivar selection influences pea (Pisum sativum L.)-wheat (Triticum aestivum L.) intercropping, focusing on symbiotic nitrogen (N) fixation, yield, seed N, and land productivity. A greenhouse experiment was conducted using various pea cultivars that were released in different decades [Century (1960), Trapper (1970), CDC Golden (2002), CDC Amarillo (2012), and CDC Spectrum (2016)] under monocropping and intercropping with wheat to evaluate the yield parameters and symbiotic N fixation capabilities of pea. The old, long-vined pea cultivars (Century and Trapper) had higher seed dry weight (62.9-66.3%), number of pods (82.7-100%) and number of seeds (126.9-163.5%) than the newer, moderate vine length cultivars (CDC Golden, CDC Amarillo and CDC Spectrum) under intercropping. On the other hand, the companion wheat crop had a greater yield (29.8-69.9%) and seed N (31.1-65.5%) when intercropped with the newer pea cultivars. Intercropping enhanced N fixation (0.7-7.5%) in peas across cultivars; however, the older cultivars contributed more to the overall system's N fixation and N carry-over compared to the newer cultivars. While the harvest index, land equivalent ratio (LER), and N-based LER (LERN) of intercropped wheat were not significantly higher than mono-cropped wheat, the increased partial LER and LERN for wheat highlight intercropping benefits. Overall, newer pea cultivars enhanced pea-wheat intercropping by improving productivity and resource efficiency, highlighting the importance of legume cultivar selection in intercropping.Graphical abstract: ","PeriodicalId":520507,"journal":{"name":"Discover agriculture","volume":"3 1","pages":"93"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12178984/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144478501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0