Results 41 to 50 of about 172,155 (223)

Review on Application of Drone in Spraying Pesticides and Fertilizers [PDF]

open access: yesInternational Journal of Engineering Research & Technology (IJERT), Vol. 10 Issue 11, November-2021
In today's agriculture, there are far too many innovations involved. One of the emerging technologies is pesticide spraying using drones. Manual pesticide spraying has a number of negative consequences for the people who are involved in the spraying operation.
arxiv   +1 more source

The low-lethal concentrations of rotenone and pyrethrins suppress the population growth of Rhopalosiphum padi

open access: yesScientific Reports
As an important pest on winter wheat, Rhopalosiphum padi (L.) causes damage to the wheat yield by sucking plant nutrients, transmitting plant viruses and producing mildew. R. padi has been reported to develop resistance to pyrethroids and neonicotinoids.
Li Xu   +8 more
doaj   +1 more source

Design, synthesis, and bioactivity of ferulic acid derivatives containing an β-amino alcohol

open access: yesBMC Chemistry, 2022
Background Plant diseases caused by viruses and bacteria cause huge economic losses due to the lack of effective control agents. New potential pesticides can be discovered through biomimetic synthesis and structural modification of natural products.
Ali Dai   +4 more
doaj   +1 more source

Recent Research Progress: Discovery of Anti-Plant Virus Agents Based on Natural Scaffold

open access: yesFrontiers in Chemistry, 2022
Plant virus diseases, also known as “plant cancers”, cause serious harm to the agriculture of the world and huge economic losses every year. Antiviral agents are one of the most effective ways to control plant virus diseases.
Jixiang Chen   +6 more
doaj   +1 more source

Carbene organic catalytic planar enantioselective macrolactonization

open access: yesNature Communications
Macrolactones exhibit distinct conformational and configurational properties and are widely found in natural products, medicines, and agrochemicals. Up to now, the major effort for macrolactonization is directed toward identifying suitable carboxylic ...
Xiaokang Lv   +8 more
doaj   +1 more source

Pesticide Toxicity Profile: Neonicotinoid Pesticides [PDF]

open access: yesEDIS, 2019
This document provides a general overview of human toxicity, provides a listing of laboratory animal and wildlife toxicities and a cross reference of chemical, common and trade names of many neonicotinoid pesticides registered for use in Florida. This document is PI-80, one of a series of the Pesticide Information Office, Florida Cooperative Extension ...
openaire   +5 more sources

N 6 -methyl-adenosine level in Nicotiana tabacum is associated with tobacco mosaic virus

open access: yesVirology Journal, 2018
Background N 6 -methyl-adenosine (m6A) is a prevalent RNA modification in many species. Abnormal m6A methylation levels can lead to RNA dysfunction and can cause diseases. Tobacco mosaic virus (TMV) is one of the most devastating viruses for agricultural
Zhurui Li   +6 more
doaj   +1 more source

Baseline tebuconazole sensitivity and potential resistant risk in Fusarium graminearum

open access: yesBMC Plant Biology
Background The Fusarium head blight caused by Fusarium graminearum results in reduced crop yields and the potential for vomitoxin contamination, which poses a risk to both human and livestock health.
Feng Zhou   +7 more
doaj   +1 more source

Access to Axially Chiral Aryl Aldehydes via Carbene-Catalyzed Nitrile Formation and Desymmetrization Reaction

open access: yesResearch
An approach utilizing N-heterocyclic carbene for nitrile formation and desymmetrization reaction is developed. The process involves kinetic resolution, with the axially chiral aryl monoaldehydes obtained in moderate yields with excellent optical purities.
Yuanlin Cai   +5 more
doaj   +1 more source

On the Real-Time Semantic Segmentation of Aphid Clusters in the Wild [PDF]

open access: yesarXiv, 2023
Aphid infestations can cause extensive damage to wheat and sorghum fields and spread plant viruses, resulting in significant yield losses in agriculture. To address this issue, farmers often rely on chemical pesticides, which are inefficiently applied over large areas of fields. As a result, a considerable amount of pesticide is wasted on areas without
arxiv  

Home - About - Disclaimer - Privacy