abstract the present research was conducted in a commercial orchard of pistachio during 2006-2007 in rafsanjan, iran. gibberellic acid (ga3) were applied at 0, 25, 50 and 75 mgl-1 and at three time of spray (the first of june, july and august) on “ahmad-aghai” pistachio cultivar. two branches of each tree was sprayed during two years of study. spraying at june had least of early splitting. ga3 ...

Protection from parasites is an important factor in agricultural operations, and calls for continual monitoring and prompt action when needed. In many cases, the equipment, pesticides and manpower required for this purpose account for the majority of production expenses. Though the use of chemicals has had a major influence on the development of agriculture in the twentieth century, bringing si...

in order to determine the level of residual dichlorvos pesticide on strawberry fruits in research greenhouse conditions in crop year of 2011-2012, a study was carried out in education and research center for greenhouse productions of islamic azad university of khorasgan of isfahan. factorial experiment was carried out based on a completely randomized design with two factors of pesticide consump...

to determine effects of phenyl-phethalamate acid on yield and yield components of tomato, cucumber, eggplant and cabbage, this experiment was investigated in a randomized complete block design with three replications in the spring and summer of 2010. treatments included the time and number of foliar spraying with phenyl-phethalamate acid (1000 ppm). control plants were not sprayed. the first st...

In order to determine the level of residual Dichlorvos pesticide on strawberry fruits in research greenhouse conditions in crop year of 2011-2012, a study was carried out in Education and Research Center for Greenhouse Productions of Islamic Azad University of Khorasgan of Isfahan. Factorial experiment was carried out based on a completely randomized design with two factors of pesticide consump...

in order to investigate the efficacy of split, reduced and whole rates of oxyfluorfen in controlling redroot pigweed (amarnthus retroflexus) and also to evaluate possible soybean (glycine max) injuries a experiment was conducted in research greenhouses of karaj collage of agriculture, university of tehran in 2005. treatments included oxyfluorfen doses at 0.25, 0.5, 0.75 and 1 l/ha in one stage ...

delaying bud break, using chemicals is an approach to avoid spring frost damage. therefore, the effect of spraying different concentrations of soybean oil and naphthalene acetic acid (naa) on delaying bud break, altering internal atmosphere and cold hardiness in grape cultivar ‘fakhri’ was studied in 2011 in a commercial vineyard in maryanaj, hamedan using a factorial trial based on randomized ...