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| Registros recuperados: 91 | |
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| Mirzabe, Amir Hossein; Chegini, Golam Reza; Massah, Jafar; Khazaei, Javad. |
| Due to success of air-jet application in food and agricultural sciences, a new method was invented based on the impingement jets in order to eliminate a number of problems present in mechanical methods of removing sunflower seeds from the head. When the sunflower head had linear velocity and the nozzle was fixed, the effects of the seeds’ location on the sunflower head, reservoir pressure, nozzle diameter, linear velocity of the sunflower head, and the distance between the nozzle outlet and the surface of the sunflower head on its removed area were examined. The regions removed by the impingement of the air-jet were photographed and the area of the removed regions was calculated based on the image processing technique. The results showed that the area of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sunflower; Thresher machine; Image processing; Linear velocity; Power consumption; Energy consumption.. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6287 |
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| Maciel, Gisele; de la Torre, Diego; Bartosik, Ricardo; Izquierdo, Natalia; Cendoya, Gabriela. |
| The adsorption and desorption equilibrium moisture content/equilibrium relative humidity relationships of sunflower seeds with four different oil contents (35.7%, 44.6%, 48.6% and 52.7%) were obtained for temperatures of 8, 15, 25 and 35°C and moisture contents of 6.0%, 8.5%, 11.0%, 13.5%, 16.0% and 18.5%.The goodness of fit of four equilibrium moisture content/equilibrium relative humidity models (Modified Henderson, Modified Chung-Pfost, Modified Halsey and Modified Oswin) were evaluated for each oil content. The Modified Halsey model was the best for predicting equilibrium moisture content/equilibrium relative humidity relationships based on the Akaike Information Criterion, the Bayesian Information Criterion and estimated residual standard derivation.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agriculture; Grain postharvest; Storage Isotherms; Models; Parameters; Sunflower; Oil content; Safe storage moisture content.. |
| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3269 |
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| Mansour, Hani. |
| AquaCrop is a very famous model in the world for evaluating the crop water productivity. FAO has developed the AquaCrop model as a leading and powerful scientific tool for simulating the response of different field crops to managing quantitative and qualitative irrigation. The experiment was cultivated on the farm of National Research Centre of Research and Production at El-Nubaria district, El-Buhaira Governorate on summer season of the year 2018 and 2019, treatments were 80, 60 and 40 % of water holding capacity (WHC), and Micronutrient mixture 4 levels 0, 1, 2 and 3%. Results found that the simulated and observed values of seed yield were rather well in agreement for the water stress treatments. This means that differences in vegetative growth, yield... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: AquaCrop; Sunflower; Water deficit; Folair; Micronutrient. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6475 |
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| Medeiros,Maria A.; Schimidt,Francisco V.G.; Loiácono,Marta S.; Carvalho,Vinícius F.; Borges,Miguel. |
| The mortality of Euschistus heros (F.) at the egg stage was studied at the field. The experiments were carried out in Planaltina - D.F., Brazil, in 1993 and 1994, on sunflower (Helianthus annuus) cultivated following the soybean (Glycine max) crop season. Egg masses found in the field were marked and checked daily for four days, and taken to the laboratory to check the total number of eggs, eggs that failed to hatch and those parasitized or destroyed by predators. The incidence of parasitism in eggs of E. heros was high in 1993 (65%) and in 1994 (80%). Five species of parasitoids were recovered: Telenomus podisi Ashmead, Trissolcus basalis (Wollaston), Trissolcus teretis Johnson, Trissolcus urichi Crawford (Scelionidae) and Eupelmus sp. (Eupelmidae). T.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insecta; Biological control; Soybean; Sunflower; Telenomus; Trissolcus. |
| Ano: 1997 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80591997000200026 |
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| Khaliq,Abdul; Matloob,Amar; Ata Cheema,Zahid; Farooq,Muhammad. |
| Weed suppression is one of the several benefits achieved by soil incorporation of crop residues and such suppression is believed to be allelopathic in nature. The allelopathic potential of different crop residues: viz. sorghum (Sorghum bicolor [L.] Moench), sunflower (Helianthus annuus L.), brassica (Brassica campestris L.) was evaluated in rice (Oryza sativa L.) and jungle rice (Echinochloa colona [L.] Link). Chopped crop residues were soil-incorporated alone and mixed at 6 g kg-1 soil (12 t ha-1) and compared with a control without residues. Soil incorporation of residues substantially delayed germination of jungle rice. The time to start germination, time to 50% emergence, mean emergence time, emergence index, and final germination percentage were all... |
| Tipo: Journal article |
Palavras-chave: Residues; Allelopathy; Sorghum; Sunflower; Brassica; Weed control. |
| Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000300012 |
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| Radonic,Laura Mabel; Zimmermann,Julián Marcos; Zavallo,Diego; López,Nilda; López Bilbao,Marisa. |
| There is evidence that overexpression of transgenes codifying antifungal proteins may confer protection to pathogen attack, and that this protection is increased due to the synergic effect of the expression of two or more genes. On the other hand it is well known that sunflower is a recalcitrant specie, highly difficult to be genetically transformed. In this context, the final aim of this project was to obtain sunflower plants expressing at least two antifungal genes, avoiding sequential transformation. The antifungal genes used encode for two enzymes that degrade the fungal wall (glucanase and chitinase), an osmotin and a ribosome inhibitor protein. Two types of transformation vectors were used: a more traditional system with a double cassette and a novel... |
| Tipo: Journal article |
Palavras-chave: Antifungal genes; Double expression cassettes; Polyprotein cassettes; Sunflower; Transgenic plants. |
| Ano: 2008 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582008000500008 |
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| Jordan,Rodrigo A.; Gomes,Eder P.; Biscaro,Guilherme A.. |
| The energy balance for the production of sunflower oil and cake was carried out during the agricultural and industrial stage phase, where it was considered a cold extraction by hydraulic pressing, with the plant location in a rural area with a radius of 30km range. Data on productivity was used in two varieties of sunflower (Helio 358 and Aguará 04) grown in different seasons (2007/2008, 2008/2009), under different irrigation levels. Data showed that irrigation resulted in an increase in productivity of both varieties, and the best response was observed for Aguará 04 variety. Moreover, the increased intensity of irrigation negatively affected the energy balance, reducing the ratio between energy produced and energy used in the production chain. The most... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bioenergy; Sunflower; Irrigation; Energy balance. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000600006 |
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| Carrera,Alicia D.; Pizarro,G.; Poverene,M.; Feingold,S.; León,A.J.; Berry,S.T.. |
| Eight isozyme systems were used in this study: acid phosphatase (ACP), alcohol dehydrogenase (ADH), esterase (EST), glutamate dehydrogenase (GDH), malate dehydrogenase (MDH), phosphoglucoisomerase (PGI), 6-phosphogluconate dehydrogenase (PGD), and phosphoglucomutase (PGM). The polymorphism of these enzyme systems was studied in 25 elite inbred lines. A total of 19 loci were identified, but only eight of them were polymorphic in the germplasm tested. The polymorphic index for the eight informative markers ranged from 0.08 to 0.57, with a mean value of 0.36. Five isozyme loci were mapped in F2:3 populations with existing RFLP data. Est-1, Gdh-2 and Pgi-2 were mapped to linkage groups 3, 14 and 9, respectively. As in previous reports, an ACP locus and a PGD... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Isozyme; Polymorphisms; RFLP markers; Sunflower; Linkage map; Helianthus annuus. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572002000100013 |
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| EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR).. |
| Desenvolvimento de germoplasma e cultivares de soja adaptados as varias regiões ecológicas e aos vários sistemas de produção; Associações microbianas na nutrição nitrogenada da soja; Controle integrado de pragas da soja; Biologia e manejo integrado de plantas daninhas da cultura da soja; Controle integrado de doenças de soja; Manejo das propriedade físicas, químicas e biológicas do solo para a produção de soja e culturas associadas; Tecnologia para a produção de sementes de soja; Avaliação sócio-econômico das estruturas de produção e de mercado agrícola; Caracterização das respostas da cultura da soja aos elementos do clima; Banco ativo de germoplasma de soja; Desenvolvimento de cultivares e manejo da cultura do girassol; Banco ativo de germoplasma de... |
| Tipo: Livros |
Palavras-chave: Brasil; Soybean; Sunflower; Girassol; Pesquisa; Soja; Trigo; Brazil; Research; Wheat. |
| Ano: 1998 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/461079 |
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| Registros recuperados: 91 | |
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