Resultados de búsqueda - "stress tolerance"

A new model for inclusive seed delivery: Lessons from a pilot study in Kenya: Leveraging champion farmers’ entrepreneurial know-how to reach the last mile por Kramer, Berber, Waweru, Carol, Waithaka, Lilian, Eyase, Jean, Chegeh, Joseph, Kivuva, Benjamin, Cecchi, Francesco

“…The formal seed sector is an important entry point to help farmers better manage these risks, as it provides access to high-quality certified seeds of improved stress-tolerant varieties, selected and bred to maximize productivity in good years, whilst reducing the impact of climate change risks in bad years. …”
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Agricultural technology adoption in the Feed the Future zone of influence in Bangladesh por Ahmed, Akhter, Hernandez, Ricardo, Naher, Firdousi, Data Analysis and Technical Assistance Limited

“…The agricultural technologies evaluated in this study are: (1) Urea deep placement (UDP)-popularly known as “Guti urea”; and (2) Modern, stress-tolerant varieties of rice.…”
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Adoption of climate-smart agricultural technologies in Lushoto Climate-Smart Villages in north-eastern Tanzania por Ogada, Maurice Juma, Radeny, Maren A.O., Recha, John W.M., Solomon, Dawit

“…The results show that, conditional on the unobservable heterogeneity effects, household adoption decisions on diversification of multiple stress-tolerant crops, inorganic fertilizer, and pesticides and herbicides are complementary. …”
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Uptake and impact of climate-smart agriculture on food security, incomes and assets in East Africa por Radeny, Maren A.O., Ogada, Maurice Juma, Recha, John W.M., Kimeli, Philip, Rao, E.J.O., Solomon, Dawit

“…Using quasi-experimental approaches, this paper analyses the uptake and impact of CSA technologies (improved multiple stress-tolerant crop varieties, improved and better adapted livestock breeds and integrated soil and water conservation measures) on livelihood outcomes—food and nutrition security, incomes and asset accumulation, all of which are among the indicators of resilience.…”
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Polyamines and Legumes: Joint Stories of Stress, Nitrogen Fixation and Environment por Menéndez, Ana Bernardina, Calzadilla, Pablo Ignacio, Sansberro, Pedro Alfonso, Espasandin, Fabiana Daniela, Gázquez, Ayelén, Bordenave, Cesar Daniel, Maiale, Santiago Javier, Rodríguez, Andrés Alberto, Maguire, Vanina Giselle, Campestre, Maria Paula, Garriz, Andrés, Rossi, Franco Rubén, Romero, Fernando Matias, Solmi, Leandro, Salloum, María Soraya, Monteoliva, Mariela Ines, Debat, Humberto Julio, Ruiz, Oscar Adolfo

“…These approaches are expected to accelerate the identification of stress tolerant phenotypes and the design of new biotechnological strategies to increase their yield and adaptation to marginal environments, making better use of available plant genetic resources.…”
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Edutainment, gender and intra-household decision-making in agriculture: A field experiment in Kenya por Aju, Stellamaris, Kramer, Berber, Waithaka, Lilian

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Do farmers pay for climate-resilient technology? Evidence from bidding experiments in eastern India por Varkey, Lisa Mariam, Chellattan Veettil, Prakashan, Patil, Vikram

“…Using an experimental auction, we estimate demand for stress-tolerant rice varieties (STRVs) in eastern India, where frequent covariate production risks are affecting the welfare of smallholder farmers. …”
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Targeting drought-tolerant maize varieties in southern Africa: a geospatial crop modeling approach using big data por Tesfaye, K., Sonder, Kai, Caims, J., Magorokosho, Cosmos, Tarekegn, A., Kassie, Girma T., Getaneh, F., Abdoulaye, Tahirou, Abate, T., Erenstein, Olaf

“…Maize is a major staple food crop in southern Africa and stress tolerant improved varieties have the potential to increase productivity, enhance livelihoods and reduce food insecurity. …”
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Testcross performance and combining ability of early maturing maize inbreds under multiple-stress environments por Annor, B., Badu-Apraku, Baffour, Nyadanu, D., Akromah, R., Fakorede, M.A.B.

“…Availability of multiple-stress tolerant maize is critical for improvement in maize production in West and Central Africa (WCA). …”
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Identification of exotic temperate maize inbreds for use in tropical breeding programs por Ndoro, Ozwell, Magorokosho, Cosmos, Setimela, Peter S., Casper Nyaradzai Kamutando, Labuschagne, Maryke

“…Restricted genetic variability in elite tropical maize germplasm has raised concerns about the potential to develop higher yielding and stress-tolerant varieties. Elite temperate germplasm has high levels of genetic diversity for yield, drought tolerance and earliness. …”
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Radio Enhancing Innovative Technologies and Climate Information Service for Farmers in Ghana por Farm Radio, International

“…A core technical workshop resulted in the development of a 16-week radio program tailored to meet the target audience's local needs, covering topics from stress-tolerant crop varieties to integrated pest management strategies. …”
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Application of genetic modification and genome editing for developing climate-smart banana por Tripathi, L., Ntui, V.O., Tripathi, J.N.

“…CRISPR/Cas9‐based genome editing has been lately established for banana, paving the way for functional genomics allowing identification of genes associated with stress‐tolerant traits, which could be used for the improvement of banana for adaptation to a changing climate. …”
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Transcriptomic Analysis Reveals a Differential Gene Expression Profile Between Two Sunflower Inbred Lines with Different Ability to Tolerate Water Stress por Escalante, Maximiliano, Vigliocco, Ana Edit, Moschen, Sebastian Nicolas, Fernandez, Paula Del Carmen, Heinz, Ruth Amelia, Garcia-Garcia, Francisco, Di Rienzo, Julio A., Andrade, Andrea, Alemano, Sergio Gabriel

“…The knowledge generated could be helpful to provide tools, that together with the genetic engineering and molecular breeding, it would contribute for the development of water stress-tolerant varieties in crop plants.…”
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Determinants of adoption of climate-smart agriculture technologies in rice production in Vietnam por Duyen, Tran Nhat Lam, Rañola, Roberto F., Sander, Björn Ole, Wassmann, Reiner, Nguyen, Dinh Tien, Nong, Nguyen Khanh Ngoc

“…Among the climate-smart agricultural technologies (CSATs) introduced were water-saving techniques and improved stress tolerant varieties. This study aims to examine the determinants of farmers’ adoption of these technologies and the effects of their adoption on net rice income (NRI) in three provinces as follows: Thai Binh (North), Ha Tinh (Central) and Bac Lieu (South). …”
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Expression of Potato StDRO1 in Arabidopsis Alters Root Architecture and Drought Tolerance por Sun, C., Liang, W., Yan, K., Xu, D., Qin, T., Fiaz, S., Kear, P., Bi, Z., Liu, Y., Liu, Z., Zhang, J., Bai, J.

“…Collectively, the outcome of the present investigation elucidated the role of DRO1 function in the alternation of root architecture, which potentially acts as a key gene in the development of a drought stress-tolerant cultivar. Furthermore, these findings will provide the theoretical basis for molecular breeding of drought-tolerant potato cultivars for the farming community.…”
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Championing gender in agricultural services in Kenya por Bikketi, Edward, Gumucio, Tatiana, Cecchi, Francesco, Kramer, Berber, Waithaka, Lilian, Waweru, Carol

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Aus rice root architecture variation contributing to grain yield under drought suggests a key role of nodal root diameter class por Liao, Qiong, Chebotarov, Dmytro, Islam, Mohammad S., Quintana, Marinell R., Natividad, Mignon A., Ocampo, Marjorie de, Beredo, Joseph C., Torres, Rolando O., Zhang, Zhenhua, Song, Haixing, Price, Adam H., McNally, Kenneth L., Henry, Amelia

“…The aus rice variety group originated in stress-prone regions and is a promising source for the development of new stress-tolerant rice cultivars. In this study, an aus panel (~220 genotypes) was evaluated in field trials under well-watered and drought conditions and in the greenhouse (basket, herbicide and lysimeter studies) to investigate relationships between grain yield and root architecture, and to identify component root traits behind the composite trait of deep root growth. …”
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Evaluation of Indian Durum Wheat Genotypes for Yield and Quality Traits Using Additive Main-Effects and Multiplicative Interaction (AMMI) Biplot Analysis under Terminal Heat Stress... por Gautam, Amit, Venkata Sai Prasad, Sukuru, Jajoo, Anjana, Bassi, Filippo

“…These entries can now be combined via breeding to develop superior heat stress tolerant varieties.…”
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Breeding rice for salinity tolerance and salt-affected soils in Africa: a review por Mheni, Nafeti Titus, Kilasi, Newton, Quiloy, Fergie Ann, Heredia, Maria Cristina, Bilaro, Atugonza, Meliyo, Joel, Dixit, Shalabh, Nchimbi Msolla, Susan

“…This review summarizes the extent of soil salinity problems in some of the affected African countries and the available salt stress-tolerant rice genotypes. The problems, challenges and opportunities of salt-affected soils in Sub Saharan Africa are thoroughly described in this review, which also looks at breeding techniques which have been used for developing rice cultivars adapted to salt stress. …”
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Development of introgression lines in high yielding, semi-dwarf genetic backgrounds to enable improvement of modern rice varieties for tolerance to multiple abiotic stresses free f... por Kumar, Arvind, Sandhu, Nitika, Venkateshwarlu, Challa, Priyadarshi, Rahul, Yadav, Shailesh, Majumder, Ratna Rani, Singh, Vikas Kumar

“…The developed introgression lines within each genetic background are near isogenic/recombinant inbred lines to their recipient recurrent parent with 50 to 98% background recovery and additionally carry QTLs/genes for abiotic stresses. The multiple-stress tolerant pyramided breeding lines combining high yield under normal situation and good yield under moderate to severe reproductive-stage drought, semi-dwarf plant type with good grain quality traits have been developed. …”
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