Resultados de búsqueda - "A"

Survival, male morphotypes, female and male proportion, female reproductive status and tag loss in crosses among three populations of freshwater prawn Macrobrachium rosenbergii (de... por Pillai, B.R., Mahapatra, K.D., Ponzoni, R.W., Sahoo, L., Lalrinsanga, P.L., Mekkawy, Wagdy, Khaw, H.L., Nguyen, N.H., Mohanty, Samarendu, Sahu, S., Patra, G.

“…The present study examined the variation in survival, proportion of male morphotypes, female and male proportion, female reproductive status and tag losses in nine crosses from a complete (3 × 3) diallel mating of three populations of Macrobrachium rosenbergii in India. …”
Enlace del recurso

Artificial microRNA-derived resistance to Cassava brown streak disease por Wagaba, Henry, Patil, Basavaprabhu L., Mukasa, Settumba, Alicai, Titus, Fauquet, Claude M., Taylor, Nigel J.

“…These results indicate a potential application of amiRNAs for engineering resistance to CBSD-causing viruses in cassava.…”
Enlace del recurso

Non-rice crops in rice-based farming systems in mainland Southeast Asia por Lefroy, Rod D.B.

Enlace del recurso

Systemicity of banana bunchy top viral infection in the Kisangani region of the Democratic Republic of Congo por Djailo, B.D., Lokana, J., Ngama, F., Nkosi, B.I., Blomme, Guy

“…In the backyards, for mats with no visible banana bunchy top disease (BBTD) symptoms, none of the analyzed mats with a total of 29 plants of “Yangambi Km5” and of 35 plants of “Libanga Likale” tested ELISA positive, indicating the absence of the BBTV infection. …”
Enlace del recurso

Secteur du coton : Agritrade Note de synthèse 2013 por Centre Technique de Coopération Agricole et Rurale

“…Avec des niveaux de production supérieurs à ceux de la consommation, les stocks mondiaux de coton en 2012/13 ont augmenté pour la troisième année d’affilée. …”
Enlace del recurso

Can current land and water governance systems promote sustainable and equitable large-scale agricultural investments in sub-Saharan Africa? por Williams, Timothy O., Sidibe, Yoro

“…Ever since the oil, financial and food crises of 2008, sub-Saharan Africa has witnessed a marked increase in large-scale investment in agricultural land. …”
Enlace del recurso

Fungal endophyte association with Brachiaria grasses and its influence on plant water status, total non-structural carbohydrates and biomass production under drought stress por Odokonyero, Kennedy, Acuña, Tina Botwright, Cardoso Arango, Juan Andrés, Jiménez Serna, Juan de la Cruz, Rao, Idupulapati M.

“…Methods: Five Brachiaria cultivars were grown in a greenhouse for 54 days, with (E+) and without (E-) endophyte under well-watered (WW) and droughts tressed (DS) conditions. …”
Enlace del recurso

Evaluation of white yam (Dioscorea rotundata) genotypes for Arbuscular mycorrhizal colonization, leaf nutrient concentrations and tuber yield under NPK fertilizer application por Dare, M.O., Fagbola, O., Abaidoo, Robert C., Asiedu, Robert

“…1 of NPK 15-15-15 wereapplied in a split plot design with four replications. Fertilizer rate was the main plot and varietywas the sub plot. …”
Enlace del recurso

Farmers’ willingness to pay for improved forage seed in LIVES Districts of west Shewa Zone, Ethiopia por Gonfa, L.

“…The study includes both primary and secondary data. A multi-stage stratified sampling technique was used to collect data from181 farmers. …”
Enlace del recurso

HCI-Evaluation of the GeoCitizen-reporting App for citizen participation in spatial planning and community management among members of marginalized communities in Cali, Colombia por Atzmanstorfer, Karl, Eitzinger, Anton, Marin, Beatriz Eugenia, Parra Arteaga, Andres, González Quintero, Bryan, Resl, Richard

“…This paper describes the set-up and results of a Human Computer Interaction (HCI) Evaluation carried out for the GeoCitizen-reporting application amongst members of marginalized communities in Cali, Colombia. …”
Enlace del recurso

The dynamics and environmental influence on interactions between cassava brown streak disease and the whitefly, Bemisia tabaci por Jeremiah, S., Ndyetabula, I., Mkamilo, G.S., Haji, S., Muhanna, M., Chuwa, C., Kasele, S., Bouwmeester, H.J.

“…The altitudinal “ceiling” previously thought to restrict the occurrence of CBSD to regions <1,000 masl has been broken as a consequence of the greatly increased abundance of B. tabaci in mid-altitude areas. …”
Enlace del recurso

Bactrocera Cucurbitae response to four Cymbopogon species essential oils por Bothon, F., Gnanvossou, D., Noudogbessi, J., Hanna, R., Sohounhloue, D.

“…Olfactive effects for C. citratus, C. nardus, C. giganteus and C. schoenanthus essential oils on melon fly (B. cucurbitae) were evaluated using a four-arm olfactometer. The results showed that C. giganteus and C. schoenanthus repel mostly the fruit fly B. cucurbitae, compared with C. nardus and C. citratus and that female and male B. cucurbitae responded similarly to odours emitted from all essential oils evaluated. …”
Enlace del recurso

Effects of planting date on yield related traits of some soybean genotypes in Sennar state of the Sudan por Ngalamu, T., Odra, J., Ashraf, M., Meseka, S.K.

“…The trial was arranged as a split-plot design replicated three times, with planting date as main plot and genotype as subplot. …”
Enlace del recurso

Production and market performance of dairy goats in Kongwa and Mvomero districts: Value chain option por Mpelangwa, E.M.

“…This further indicates that there was still a room to benefit on economic of scale, taking into consideration about 90% of the farmers were operating on increasing return to scale.…”
Enlace del recurso

Markets and climate are driving rapid change in farming practices in Savannah West Africa por Ouédraogo, Mathieu, Zougmoré, Robert B., Moussa, Abdoulaye S., Partey, Samuel T., Thornton, Philip K., Kristjanson, Patricia M., Badiane Ndour, Ndèye Yacine, Somé, Léopold, Naab, Jesse B., Boureima, Moussa, Diakite, L., Quirós, Carlos F.

“…The results showed that farmers have adopted various practices in response to the challenges they have faced during the last decade. A series of logit models showed that most changes farmers made to their practices are undertaken for multiple reasons. …”
Enlace del recurso

Isolation and identification of Listeria species along the milk value chain in one region of Tanzania por Hyera, E., Msalya, G., Karimuribo, E.D., Kurwijila, Lusato R., Alonso, Silvia, Roesel, Kristina, Grace, Delia

“…However, due to its nutritional nature it also serves as an ideal medium for growth and development of various microorganisms under suitable conditions. It is a staple food, which is linked to zoonotic pathogens. …”
Enlace del recurso

Resistance of Kenyan wheat germplasm to Fusarium head blight and deoxynivalenol contamination por Okumu, O.O., Muthomi, J.W., Mutegi, C.K., Wagacha, J.M.

“…All the wheat lines and varieties accumulated DON ranging from 442 to 748 ng/g (Mean = 572 ng/g). There was a positive correlation between FHB severity, AUDPC, re-isolation frequency of F. graminearum and DON accumulation. …”
Enlace del recurso

Accuracy of the CMORPH satellite-rainfall product over Lake Tana Basin in eastern Africa por Haile, Alemseged Tamiru, Yan, F., Habib, E.

“…This analysis is carried out at high spatial and temporal resolutions (8 × 8 km2 and daily) using observations from rain gauges as a reference for the period covering January 2003 to December 2006. …”
Enlace del recurso

Climate change adaptation of coffee production in space and time por Läderach, Peter R.D., Ramírez Villegas, Julián Armando, Navarro Racines, Carlos Eduardo, Zelaya, Carlos, Martínez Valle, Armando Isaac, Jarvis, Andy

“…During the Nicaraguan coffee roundtable, most promising adaptation strategies were identified, which we then used to develop a two-dimensional adaptation framework for coffee in time and space. …”
Enlace del recurso

Exposure assessment of chemical hazards in pork meat, liver, and kidney, and health impact implication in Hung Yen and Nghe An provinces, Vietnam por Tran Thi Tuyet Hanh, Dang Xuan Sinh, Phuc Pham Duc, Tran Thi Ngan, Chu Van Tuat, Grace, Delia, Unger, Fred, Hung Nguyen-Viet

“…Tetracycline and fluoroquinolones were not present in pork, but 11% samples were positive with sulfamethazine above maximum residue limits (MRL); 11% of packaged feed and 4% of pork pooled samples were positive for chloramphenicol, a banned substance; two feed, two liver, and one pork samples were positive for β-agonists but did not exceed current MRL; 28% of pooled samples had lead, but all were below MRL; and all samples were negative for cadmium and arsenic. …”
Enlace del recurso