Results 51 to 60 of about 15,543 (203)
Frontiers in Microbiology, 2021 Putrescine, spermidine, and spermine are the most common natural polyamines. Polyamines are ubiquitous organic cations of low molecular weight and have been well characterized for the cell function and development processes of organisms.
Guangfei Tang +5 more
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, 1976 This article 'Rice Insect Pests in Laos' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems ...
openaire +1 more source
Paradigm shift of insect pests in rice ecosystem and their management strategy [PDF]
, 2018 Not AvailableInsect population has changed both spatially and temporally over the period of time in a crop like rice. In the present study, data from the year 1965 to 2017 shows considerable increase of insect pests to 21 numbers.
PC Rath +7 more
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Chemical and Biological Technologies in AgricultureBackground The brown planthopper (Nilaparvata lugens) is a destructive rice pest in Asia, causing significant yield losses through sap feeding and virus transmission. We developed an eco-friendly nano-encapsulation system using chitosan nanoparticles (CS
Abid Ali Soomro +10 more
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Improvement of Rice Insect Pests Control Measures in Taiwan [PDF]
, 2012 台灣水稻害蟲重要者只有10 餘種，其中關鍵害蟲隨耕作制度的演變而屢有更迭；為防治關鍵害蟲之危害，防治策略隨害蟲種類之演變，防治技術之研發與社會之需求而變動“在1950 年以前，對主要害蟲之防治以耕作防治、生物防治及以植物或非有機物質防治，效果有限。1950 年後有機合成殺蟲劑引入本省對各種害蟲均以撒佈廣效而持久性殺蟲劑防治為主；過度使用農藥常導致飛蝨及葉蟬類之猖獗發生。1970 年代中期後防治策略因病害蟲發生預測制度之建立，而逐漸演變為於適當時期使用短效性殺蟲劑防治。1980 ...
鄭清煥, Ching-Huan Cheng
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Transgenic resistance to pathogens and pests [PDF]
, 2004 Pathogens and pests constantly threaten plants and cause crop losses of significant economic importance for agricultural production worldwide. One way to reduce the damage caused by pathogens and pests is the development of new, resistant cultivars ...
Melander, Margareta
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InsectsThe pupal endoparasitoid B. lasus injects venom into its host G. mellonella during oviposition, yet knowledge about the venom remains limited. This study explores how parasitism and venom from B. lasus impair the host’s cellular and humoral immunity.
Lijia Peng +6 more
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Frontiers in Plant Science, 2020 Geminiviruses contain the largest number of species of plant viruses, and cause devastating crop diseases worldwide. The development of resistance to these viruses will require a clear understanding of viral protein function and interactions.
Hao Li +5 more
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Farmer network for rice disease and insect pest epidemic monitoring [PDF]
, 2009 Farmer network in Prachin Buri and Nakhon Nayok provinces have been created by Prachin Buri Rice Research Center to communicate between Prachin Buri Rice Research Center and network.
Wannaphan Janlapa
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Journal of Applied Agricultural Science and TechnologyA study was conducted in Kiniar Village, East Tondano District, North Sulawesi, to investigate the variety of pests and their natural adversaries in rice fields.
Parluhutan Siahaan +3 more
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