Search Results - "sexuality"

Multiplicación vegetativa de arboles de guayaba (Psdium guajava L.) a través del enraizamiento de ramas tiernas bajo condiciones ambientales controladas by Goméz Santos, R.

“…En Colombia existe gran cantidad de árboles silvestres originados por diseminación de la semilla a través de los animales y, huertos nuevos propagados por el método sexual lo ha originado alta variabilidad genética y falta de uniformidad en la producción. …”
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El control etológico en el manejo integrado de plagas del algodonero en Colombia. by Lobatón González, Valentín

“…Se analiza el desempeño de las feromonas sexuales grandlure y gossyplure en el control de Anthonomus y gusano rosado Pectinophora gossypiella, así como el uso de trampas para atrapar y matar Anthonomus y Pectinophora…”
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Sperm transferability of gamma-sterilized Mediterranean fruit fly males by Katiyar, K.P., Ramirez, E.

“…Virgin females from six days old were placed to mate with young, sterile, 10-kilogram, or normal, sexually mature males between 7:00 and 16:00 hours. …”
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Incorrect inferences about male circumcision and female HIV Infection risk: Evidence from a randomised trial in Malawi by Maughan-Brown, Brendan, Venkataramani, Atheendar S., Godlonton, Susan, Thornton, Rebecca L.

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DArT whole genome profiling provides insights on the evolution and taxonomy of edible Banana (Musa spp.) by Sardos, J., Perrier, Xavier, Doležel, Jaroslav, Hribova, E., Christelova, P., Houwe, Ines van den, Kilian, Andrzej, Roux, N.

“…We also estimate the extent of the two consecutive bottlenecks in edible bananas by evaluating the number of sexual founding events underlying our sets of edible diploids and triploids, respectively. …”
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Effect of migration and mating status of the legume pod borer, Maruca vitrata (Fabricius) (Lepidoptera: Crambidae) on the efficacy of synthetic sex pheromone traps in West Africa by Adati, T., Tamò, Manuele, Koji, S., Downham, M.C.A.

“…The immigrants and their offspring are sexually inactive in the dry zone for unknown reasons. …”
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Pollination success in some white yam genotypes under polycross and nested mating designs by Norman, P.E., Asfaw, A., Tongoona, P.B., Danquah, A.O., Danquah, E.Y., Koeyer, D. de, Asiedu, Robert

“…Breeding yams is a two-step process that combines sexual and asexual reproduction. Sexual reproduction involving a transfer of pollen from male to female genotype reproductive organ is a key step to generate variability in yam improvement. …”
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The effect of cash, vouchers, and food transfers on intimate partner violence: Evidence from a randomized experiment in northern Ecuador by Hidrobo, Melissa, Peterman, Amber, Heise, Lori

“…Results indicate that transfers reduce controlling behaviors and physical and/or sexual violence by 6 to 7 percentage points. Impacts do not vary by transfer modality, which provides evidence that transfers not only have the potential to decrease violence in the short-term, but also that cash is just as effective as in-kind transfers. …”
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Evaluation of the Egyptian Local Strains of Chickens by Kosba, M.A., Abd El-Halim

“…The result indicated that the average of fertility %, hatchability %, body weight at 4 and 8 weeks of age for males, females and combined sexes as well as age at sexual maturity, egg number and egg mass during the first 90 days of laying for these breeds were: 90.16%, 77.68%, 229.5g, 202.9, 225.5g, 528.7g, 582.5g, 1628.2g, 170.8 days, 45.5eggs and 1459g.…”
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Sex bias in parasitism by Deladenus siricidicola and its implications for the success of biological control of invasive Sirex noctilio populations by Falconaro, Antonella Carla, Fischbein, Deborah, Corley, Juan Carlos

“…One of the best-studied forest pest systems involves the woodwasp pest Sirex noctilio (Hymenoptera: Siricidae) and its biological control agent, the nematode Deladenus ( = Beddingia) siricidicola, which infects female wasps. Until now, a sexual bias in the infection had not been considered when the nematode was introduced into wasp-infested plantations. …”
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Aspectos epidemiológicos del Phytophthora infestans (Mont.) de Bary, causante de la gota en el cultivo de la papa. by Guerrero Guerrero, Omar A.

“…A partir de la descripción de la importancia económica del cultivo de la papa, se exponen ideas sobre el potencial de exportación del sector papero colombiano y se describen los aspectos epidemiológicos de la enfermedad de la gota, donde se consigna información sobre daños ocasionados por el hongo, factores que predisponen a la gota, ciclo sexual del agente causal, ciclo asexual del mismo, estado actual del problema y recomendaciones de manejo…”
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Sistemas de siembra by Pérez Artiles, Lumey

“…En el cultivo de mango se puede realizar la multiplicación por semilla sexual, pero las plantas resultantes son de inferior calidad y no conservan las características de las originales. …”
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Limitantes de la producción y la calidad en Colombia

“…El cultivo de cacao en Colombia enfrenta algunas limitantes que afectan la producción y la calidad del grano seco, entre ellas está la incidencia de enfermedades, el envejecimiento de las plantaciones, el manejo agronómico inadecuado, la incompatibilidad sexual, las bajas poblaciones de polinizadores, la presencia de cadmio en suelo en algunas regiones del país y las prácticas inadecuadas en procesos de poscosecha. …”
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Establecimiento y manejo de especies arbustivas

“…Teniendo presente lo expuesto anteriormente sobre las características de las especies forrajeras, se presenta el proceso de establecimiento y manejo adecuado para un óptimo crecimiento y desarrollo de los arbustos. Reproducción sexual En este tipo de reproducción, pueden seguirse estos procesos. …”
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Evaluación de tres clases de trigo para la cría de Sitotroga cerealella (Lepidoptera: Gelechiidae) como hospedante utilizado en la cría de enemigos naturales by Méndez, Lucía M., Botto, Eduardo Norberto, Flores, Dora, Cagnotti, Cynthia Lorena, Lopez, Silvia Noemi, Viscarret, Mariana Mabel

“…Para los distintas tipos de trigo se encontraron diferencias significativas en el porcentaje de emergencia, la fecundidad, el tiempo de desarrollo y la proporción sexual de las polillas. No existieron diferencias significativas en el porcentaje de emergencia, fecundidad y proporción sexual de parasitoides criados sobre huevos de polillas procedentes de diferentes clases de trigo. …”
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Inheritance in doubled-diploid clementine and comparative study with SDR unreduced gametes of diploid clementine by Aleza, Pablo, Cuenca, José, Juárez, José, Navarro, Luis, Ollitrault, Patrick

“…Citrus triploid hybrids can be recovered from 2x 9 2x sexual hybridizations as a consequence of the formation of unreduced gametes (2n), or from 4x 9 2x interploid hybridizations in which tetraploid parents used are most often doubled-diploid (DD). …”
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Pollen Development and Viability in Diploid and Doubled Diploid Citrus Species by Lora, Jorge, García-Lor, Andrés, Aleza, Pablo

“…To this end, one strategy is to perform sexual hybridizations, with tetraploid genotypes as male parents. …”
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Studies of productivity, immunocompetence and genetic diversity of naked neck and normal feathered indigenous Cameroon and German Dehlem Red Fowl and their crosses by Joseph, M.M.

“…Indigenous fowl came into lay (Sexual maturity) later than the Dahlem birds but had lower mortality and higher yolk percentage. …”
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Early identification of papaya sex type from seed physical characters and seedlings isozyme patterns by Arango, Laura Victoria, de Rezende, Carlos Ramirez, de Carvalho, Samuel Pereira

“…Não houve diferença entre as sementes classificadas por tamanho e peso quanto à expressão sexual da planta. A porcentagem de emergência foi significativamente inferior para as sementes clasificadas na seleção 10 y con pouco peso. …”
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First record of Tinocallis zelkowae (Takahashi, 1919) (Hemiptera aphididae calaphidinae) in the Iberian peninsula by Casiraghi, Alice, Moreno-González, Víctor, Umaran, Ángel, Pérez-Hidalgo, Nicolás

“…Alate viviparous females and sexuales (winged males and apterous oviparae) are here described, and we present the molecular sequence of the mitochondrial cytochrome oxidase I, which allows comparison with the recently described T. …”
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