Endophytic Effect of the South African Beauveria bassiana Strain PPRI 7598 on the Population Growth and Development of the Russian Wheat Aphid, Diuraphis noxia

Evaluation of wheat (triticum SPP.) resistance to the russian wheat aphid (diuraphis noxia mordvilko)

the effect of using visual aids on the development of speech act of disagreement among iranian intermediate efl learners

abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...

the impact of morphological awareness on the vocabulary development of the iranian efl students

this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

efficacy of iranian isolate of beauveria bassiana against russian wheat aphid diuraphis noxia (mordvilko) (homoptera:aphididae) on the laboratory conditions

in this study, the effects four beauveria bassiana isolates, obtained from soil of fashand, atashgah & ghare-agaj and one from a grass hopper sphingonotus.sp on adults of adult russian wheat aphid diuraphis noxia was studied under laboratory conditions. after determination of the minimum & maximum concentrations, the adults russian wheat aphid were treated with conidial concentrations of 1×103 ...