Spotlights

Característica de las plantas ayuda a conservar el agua potable
July 7, 2015 07:50 AM - American Society of Agronomy.

Las plantas necesitan agua. La gente necesita agua. Por desgracia, sólo hay una cantidad limitada de agua limpia para todos, por lo que se inicia el esfuerzo para encontrar una solución.

Por suerte para las personas, algunas plantas son capaces de arreglárselas sin agua que sea perfectamente limpia, por lo que nos queda más agua buena para beber. Una de las estrategias es utilizar agua residual tratada, que contiene restos de sal de los procesos de limpieza, para regar grandes extensiones de césped. Estas áreas incluyen campos deportivos y campos de golf. Sólo los campos de golf utilizan aproximadamente 750 mil millones de galones de agua al año en las regiones áridas.

Sin embargo, la mayoría de las plantas no pueden tolerar una gran cantidad de sal. Conforme algunas áreas de los Estados Unidos se están quedando sin agua limpia, los criadores de plantas están tratando de obtener plantas que sean más tolerantes a la sal. Esto significa conservar agua limpia, manteniendo el césped saludable.

Se puede ver realmente el efecto individual de lo que cada planta madre hereda a su descendencia porque los genes añaden intensidad a este rasgo o característica. Estos son efectos aditivos. Los criadores pueden seleccionar más fácilmente esas características cuando observan esas diferencias.

Breeders select trait to conserve drinkable water
June 25, 2015 10:28 AM - Kaine Korzekwa, American Society of Agronomy

Plants need water. People need water. Unfortunately, there’s only so much clean water to go around — and so the effort begins to find a solution.

Luckily for people, some plants are able to make do without perfectly clean water, leaving more good water for drinking. One strategy is to use treated wastewater, containing salt leftover from the cleaning process, to water large areas of turf grass. These areas include athletic fields and golf courses. Golf courses alone use approximately 750 billion gallons of water annually in arid regions.

However, most plants cannot tolerate a lot of salt. As some areas of the United States run low on clean water, plant breeders are trying to breed plants that are more salt tolerant. This would conserve clean water while maintaining healthy turf.

Plant breeders can actually see the individual effect of what each parent plant passes on because the genes add intensity to the trait. These are additive effects. Breeders can more easily select for those features when they observe those differences.

Breeders select trait to conserve drinkable water
June 25, 2015 10:28 AM - Kaine Korzekwa, American Society of Agronomy

Plants need water. People need water. Unfortunately, there’s only so much clean water to go around — and so the effort begins to find a solution.

Luckily for people, some plants are able to make do without perfectly clean water, leaving more good water for drinking. One strategy is to use treated wastewater, containing salt leftover from the cleaning process, to water large areas of turf grass. These areas include athletic fields and golf courses. Golf courses alone use approximately 750 billion gallons of water annually in arid regions.

However, most plants cannot tolerate a lot of salt. As some areas of the United States run low on clean water, plant breeders are trying to breed plants that are more salt tolerant. This would conserve clean water while maintaining healthy turf.

Plant breeders can actually see the individual effect of what each parent plant passes on because the genes add intensity to the trait. These are additive effects. Breeders can more easily select for those features when they observe those differences.

Breeders select trait to conserve drinkable water
June 25, 2015 10:28 AM - Kaine Korzekwa, American Society of Agronomy

Plants need water. People need water. Unfortunately, there’s only so much clean water to go around — and so the effort begins to find a solution.

Luckily for people, some plants are able to make do without perfectly clean water, leaving more good water for drinking. One strategy is to use treated wastewater, containing salt leftover from the cleaning process, to water large areas of turf grass. These areas include athletic fields and golf courses. Golf courses alone use approximately 750 billion gallons of water annually in arid regions.

However, most plants cannot tolerate a lot of salt. As some areas of the United States run low on clean water, plant breeders are trying to breed plants that are more salt tolerant. This would conserve clean water while maintaining healthy turf.

Plant breeders can actually see the individual effect of what each parent plant passes on because the genes add intensity to the trait. These are additive effects. Breeders can more easily select for those features when they observe those differences.

Breeders select trait to conserve drinkable water
June 25, 2015 10:28 AM - Kaine Korzekwa, American Society of Agronomy

Plants need water. People need water. Unfortunately, there’s only so much clean water to go around — and so the effort begins to find a solution.

Luckily for people, some plants are able to make do without perfectly clean water, leaving more good water for drinking. One strategy is to use treated wastewater, containing salt leftover from the cleaning process, to water large areas of turf grass. These areas include athletic fields and golf courses. Golf courses alone use approximately 750 billion gallons of water annually in arid regions.

However, most plants cannot tolerate a lot of salt. As some areas of the United States run low on clean water, plant breeders are trying to breed plants that are more salt tolerant. This would conserve clean water while maintaining healthy turf.

Plant breeders can actually see the individual effect of what each parent plant passes on because the genes add intensity to the trait. These are additive effects. Breeders can more easily select for those features when they observe those differences.

Breeders select trait to conserve drinkable water
June 25, 2015 10:28 AM - Kaine Korzekwa, American Society of Agronomy

Plants need water. People need water. Unfortunately, there’s only so much clean water to go around — and so the effort begins to find a solution.

Luckily for people, some plants are able to make do without perfectly clean water, leaving more good water for drinking. One strategy is to use treated wastewater, containing salt leftover from the cleaning process, to water large areas of turf grass. These areas include athletic fields and golf courses. Golf courses alone use approximately 750 billion gallons of water annually in arid regions.

However, most plants cannot tolerate a lot of salt. As some areas of the United States run low on clean water, plant breeders are trying to breed plants that are more salt tolerant. This would conserve clean water while maintaining healthy turf.

Plant breeders can actually see the individual effect of what each parent plant passes on because the genes add intensity to the trait. These are additive effects. Breeders can more easily select for those features when they observe those differences.

Breeders select trait to conserve drinkable water
June 25, 2015 10:28 AM - Kaine Korzekwa, American Society of Agronomy

Plants need water. People need water. Unfortunately, there’s only so much clean water to go around — and so the effort begins to find a solution.

Luckily for people, some plants are able to make do without perfectly clean water, leaving more good water for drinking. One strategy is to use treated wastewater, containing salt leftover from the cleaning process, to water large areas of turf grass. These areas include athletic fields and golf courses. Golf courses alone use approximately 750 billion gallons of water annually in arid regions.

However, most plants cannot tolerate a lot of salt. As some areas of the United States run low on clean water, plant breeders are trying to breed plants that are more salt tolerant. This would conserve clean water while maintaining healthy turf.

Plant breeders can actually see the individual effect of what each parent plant passes on because the genes add intensity to the trait. These are additive effects. Breeders can more easily select for those features when they observe those differences.

¿Podrían los mosquitos genéticamente modificados evitar enfermedades transmitidas por ellos?
June 17, 2015 07:57 AM - Yale Environment 360.

Cuando la gente piensa en los organismos genéticamente modificados, por lo general vienen a la mente cultivos de alimentos como el maíz y la soja. Pero la ingeniería de los seres vivos más complejos ahora es posible, y la controversia en torno a la modificación genética se ha extendido ahora al humilde mosquito, que está siendo manipulado genéticamente para controlar las enfermedades transmitidas por ellos.

Una empresa con sede en el Reino Unido, Oxitec, ha alterado dos genes en el mosquito Aedes Aegypti, para que cuando los machos se reproduzcan con hembras salvajes, los hijos hereden un gen letal y mueran en la etapa larval. La agencia estatal que controla los mosquitos en los Cayos de la Florida, está esperando una aprobación, por parte del gobierno federal, para realizar una prueba de mosquitos modificados genéticamente por Oxitec, y evitar la recurrencia de un brote de fiebre del dengue. Pero algunas personas en los Cayos y en otros lugares están en pie de guerra, con una petición, apoyada con más de 155,000 firmas, para oponerse a la prueba de los mosquitos genéticamente modificados en una pequeña área de 400 viviendas junto a Key West.

Could genetically modified mosquitos prevent mosquito-borne illnesses?
June 4, 2015 02:18 PM - Lisa Palmer, Yale Environment 360

When people think of genetically modified organisms, food crops like GM corn and soybeans usually come to mind. But engineering more complex living things is now possible, and the controversy surrounding genetic modification has now spread to the lowly mosquito, which is being genetically engineered to control mosquito-borne illnesses.

A U.K.-based company, Oxitec, has altered two genes in the Aedes aegypti mosquito so that when modified males breed with wild females, the offspring inherit a lethal gene and die in the larval stage. The state agency that controls mosquitos in the Florida Keys is awaiting approval from the federal government of a trial release of Oxitec’s genetically modified mosquitos to prevent a recurrence of a dengue fever outbreak. But some people in the Keys and elsewhere are up in arms, with more than 155,000 signing a petition opposing the trial of genetically engineered mosquitoes in a small area of 400 households next to Key West. 

Could genetically modified mosquitos prevent mosquito-borne illnesses?
June 4, 2015 02:18 PM - Lisa Palmer, Yale Environment 360

When people think of genetically modified organisms, food crops like GM corn and soybeans usually come to mind. But engineering more complex living things is now possible, and the controversy surrounding genetic modification has now spread to the lowly mosquito, which is being genetically engineered to control mosquito-borne illnesses.

A U.K.-based company, Oxitec, has altered two genes in the Aedes aegypti mosquito so that when modified males breed with wild females, the offspring inherit a lethal gene and die in the larval stage. The state agency that controls mosquitos in the Florida Keys is awaiting approval from the federal government of a trial release of Oxitec’s genetically modified mosquitos to prevent a recurrence of a dengue fever outbreak. But some people in the Keys and elsewhere are up in arms, with more than 155,000 signing a petition opposing the trial of genetically engineered mosquitoes in a small area of 400 households next to Key West. 

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