In the current investigation, evaporation and transpiration potential were also estimated by means of FAO Penman- Monteith evapotranspiration estimation method and Deviation from Optimum Percentage (DOP) technique by climatic elements (min-max temperature, relative humidity, wind speed and radiation) during at least 10 years statistical period regarding sunflower phenological conditions in Kurd...

The experiments reported here have shown that the parasite of tertian malaria in the mosquito host is able to survive exposure to a temperature of 30 degrees F. for a period of 2 days, 31 degrees F. for 4 days, and a mean temperature of 46 degrees F. for 17 days. In a smaller series of tests the sporonts of the estivo-autumnal parasite have shown a resistance to temperatures as low as 35 degree...

one culminating in April and the second in November and December. The month of minimum mortality is usually Julybut occasionally June. The Autumnal rise shows very constant features, beginning generally in September, progressing through October, reaching its maximum in November, and remaining at the high level well into January. This makes it coincident with the cessation of the rains and the o...