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The effects of temperature on conidial germination and susceptibility of adults of the desert locust, Schistocer cagregaria, to four isolates of Meta rhizium flovoviride were determined. In addition, the eff ects of inoculation method (topical or spray), spore carrie r (oil or wat er) and ambient...


Fargues, J.Ouédraogo, A.Goettel, M.S.Lomer, C.J.[Effect of temperature, humidity and inoculation method on susceptibility of Schistocerca gregaria to Metarhizium flavoride]Effect of temperature, humidity and inoculation method on susceptibility of Schistocerca gregaria to Metarhizium flavoride

Photoperiod screening has continued at CIAT-Palmira throughout 1984 using 18 h daylengths to delay flowering. Materials evaluated included lines from various EP and the germplasm collection and the results from previous screening efforts have been compiled into a list of photoperiod responses of ...

Durante 1984 continuo la seleccion por fotoperiodo en CIAT- Palmira utilizando longitudes del dia de 18 h para retardar la floracion. Los materiales evaluados incluyeron lineas de varios EP y la coleccion de germoplasma; los resultados de esfuerzos de seleccion anteriores se han compilado en una ...


International Center for Tropical Agriculture[Respuesta a temperatura/fotoperiodo]Respuesta a temperatura/fotoperiodo

Photoperiod screening has continued at CIAT-Palmira throughout 1984 using 18 h daylengths to delay flowering. Materials evaluated included lines from various EP and the germplasm collection and the results from previous screening efforts have been compiled into a list of photoperiod responses of ...

Durante 1984 continuo la seleccion por fotoperiodo en CIAT- Palmira utilizando longitudes del dia de 18 h para retardar la floracion. Los materiales evaluados incluyeron lineas de varios EP y la coleccion de germoplasma; los resultados de esfuerzos de seleccion anteriores se han compilado en una ...


International Center for Tropical Agriculture[Photoperiod-temperature response]Photoperiod-temperature response

The main activity consisted of climatic data base validation and error correction. A sensitive technique of error detection was developed, based on the relative amplitudes of the high and low frequencies of the Fourier transform. The Bean Program desired to obtain a characterization and listing o...

La actividad principal se oriento a la validacion de la informacion climatica basica y a la correccion de errores; se desarrollo una tecnica sensitiva para detectar errores sobre la base de las amplitudes relativas de las frecuencias alta y baja del transformador Fourier. El programa deseaba obte...


International Center for Tropical Agriculture[Agroclimatology study]Agroclimatology study

The main activity consisted of climatic data base validation and error correction. A sensitive technique of error detection was developed, based on the relative amplitudes of the high and low frequencies of the Fourier transform. The Bean Program desired to obtain a characterization and listing o...

La actividad principal se oriento a la validacion de la informacion climatica basica y a la correccion de errores; se desarrollo una tecnica sensitiva para detectar errores sobre la base de las amplitudes relativas de las frecuencias alta y baja del transformador Fourier. El programa deseaba obte...


International Center for Tropical Agriculture[Estudio agroclimatológico]Estudio agroclimatológico

Rice and its environment The different environmental factors that influence rice production are analyzed, including: temperature (high, critical low, water, and air); solar radiation; solar energy and photosynthesis; water; precipitation; transpiration; water/soil ratio; wind; and relative humidi...

Se analizan los distintos factores ambientales que influyen en la producción de grano del cultivo de arroz. Entre ellos están la temperatura (alta, baja crítica, del agua y del aire), la radiación solar, la energía solar y la fotosíntesis; el agua, la precipitación, la transpiración, la relación ...


Vargas, José Patricio[El arroz y su medio ambiente]El arroz y su medio ambiente
Autor: White, J.W.

The physiological processes that determine bean growth are reviewed, namely photosynthesis, respiration, DM distribution, HI, yield components, and environmental effects. Some concepts used in physiological work such as growth analysis, leaf area determination, data analysis, yield, yield compone...

Se revisan los procesos fisiologicos que determinan el crecimiento del frijol: fotosintesis, respiracion, distribucion de MS, IC, componentes del rendimiento y efectos ambientales. Tambien se discuten algunos conceptos utilizados en trabajos fisiologicos tales como analisis del crecimiento, deter...


White, J.W.[Conceptos basicos de fisiologia del frijol]Conceptos basicos de fisiologia del frijol

Reference evapotranspiration (ETo) is a key factor in determining the amount of water needed for crops, which is crucial to correct irrigation planning. FAO Penman-Monteith (EToPM) is among the most popular method to estimate ETo. Apparently sometimes it is difficult to compute ETo using Penman-M...


Gafurov, ZafarEltazarov, S.Akramov, BekzodYuldashev, TulkunDjumaboev, KakhramonAnarbekov, Oyture[Modifying Hargreaves-Samani equation for estimating reference evapotranspiration in dryland regions of Amudarya River Basin]Modifying Hargreaves-Samani equation for estimating reference evapotranspiration in dryland regions of Amudarya River Basin

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