Results 71 to 80 of about 6,266,294 (158)

The Efficiency of Noni (Morinda citrifolia L.) Essential Oil on the Control of Leaf Spot Caused by Exserohilum turcicum in Maize Culture

Medicines, 2017
The objective of this work was to evaluate the efficiency of noni essential oil on the control of Exserohilum turcicum, a causative agent of Exserohilum spot in maize culture.
Janaina Costa E Silva, Dalmarcia de Sousa Carlos Mourão, Fabia Silva de Oliveira Lima, Renato de Almeida Sarmento, Mateus Sunti Dalcin, Raimundo Wagner de Souza Aguiar, Gil Rodrigues dos Santos   +6 more
doaj   +1 more source

A spatial accuracy assessment of an alternative circular scan method for Kulldorff's spatial scan statistic [PDF]

, 2009
This paper concerns the Bernoulli version of Kulldorff’s spatial scan statistic, and how accurately it identifies the exact centre of approximately circular regions of increased spatial density in point data. We present an alternative method of selecting
Bath, P.A., Maheswaran, R., Read, S., Willett, P.   +3 more
core  

Potential of Essential Oils from Cymbopogon winterianus Jowitt: Promising Evaluation for the Control of Mollusks and Embryos of Biomphalaria glabrata and Schistosoma mansoni Cercariae

Pharmaceuticals
Background/objectives: Schistosomiasis is a parasitic disease that represents a serious public health problem. An alternative for the control of snails, intermediate hosts of schistosomiasis, is the use of molluskicides.
Keyla Nunes Farias Gomes, Francisco Paiva Machado, Ester Maria Mota, Ana Cláudia Rodrigues da Silva, Mikaella Gonçalves Xavier, Joana Tostes da Cunha e Menezes, Anita Ferreira do Valle, Leandro Louback da Silva, Beatriz de Frias Leite, Leandro Rocha, Robson Xavier Faria   +10 more
doaj   +1 more source

An alternative control structure for telerobotics [PDF]

A new teletobotic control concept which couples human supervisory commands with computer reasoning is presented. The control system is responsive and accomplishes an operator's commands while providing obstacle avoidance and stable controlled ...
Boissiere, Peter T., Harrigan, Raymond W.   +1 more
core   +1 more source

The mechanical control of bushpig, Patamochoerus porcus, in Zimbabwe [PDF]

, 1986
Bushpig, Potamocheorus porcus, occurring naturally in the high rainfall areas of Zimbabwe, have become a major threat to maize producers in the country.
LaGrange, Michael
core  

Development and Population Growth Rates of Sitophilus zeamais (Coleoptera: Curculionidae) Exposed to a Sublethal Concentration of Essential Oil of Piper hispidinervum

Insects
Essential oils have emerged as promising alternatives for pest insect control. However, sublethal effects on insect reproduction and development are rarely explored, despite their relevance to integrated pest management (IPM).
Lucas Martins Lopes, Lêda Rita D’Antonino Faroni, Gutierres Nelson Silva, Douglas Rafael e Silva Barbosa, Marcela Silva Carvalho, Herus Pablo Firmino Martins, Thaís Rodrigues dos Santos, Igor da Silva Dias, Adalberto Hipólito de Sousa   +8 more
doaj   +1 more source

Digital Implementation of SISC Fuzzy Controllers [PDF]

, 1994
A classification of inference systems based on approximate reasoning techniques is proposed. An alternative realization method is described for the particular SISC case, which enables reducing the silicon area and increasing the operation speed ...
Barriga Barros, Ángel, Jiménez Fernández, Carlos Jesús, Sánchez Solano, Santiago   +2 more
core  

Azadirachtin on Oligonychus yothersi in yerba mate Ilex paraguariensis

Ciência Rural
: The red mite Oligonychus yothersi is one of the main pests of yerba mate in Brazil The damage this mite causes leads to leaf drop and decreased production. There are no registered acaricides for use in yerba mate; thus, laboratory and field experiments
Luis Francisco Angeli Alves, Claudecir Castilho Martins, Ana Paula Mamprim, Marcos Botton   +3 more
doaj   +1 more source

Determination of the Efficiency of Some Essential Oil Compounds on the Development of Jonsongrass [(Sorghum halepense (L.) Pers.]

Türkiye Tarımsal Araştırmalar Dergisi, 2015
Jonsongrass (Sorghum halepense (L.) Pers.) (SORHA) is one of the most troublesome perennial weeds caused important yield reductions in the agricultural and environmental problems in the non-agricultural fields.
Ayşe YAZLIK, İlhan ÜREMİŞ
doaj  

Resistência de genótipos de feijão-caupi ao ataque de Callosobruchus maculatus (Fabr., 1775) (Coleoptera: Chrysomelidae: Bruchinae)

Arquivos do Instituto Biológico
O objetivo deste trabalho foi avaliar a resistência de quatro genótipos de feijão-caupi (Vigna unguiculata) ao caruncho Callosobruchus maculatus (Fabr., 1775). Os genótipos utilizados foram BR 17-Gurguéia, BRS Rouxinol, TE96-290-12G e BRS Guariba.
A.F de Melo, L.S Fontes, D.R.S Barbosa, A.A.R Araújo, E.P.S Sousa, L.L.L Soares, P.R.R Silva   +6 more
doaj