in order to study effects of application time of chevalier herbicide and integrate of illoxan with granstar on wheat and weed inahwaz, an experiment was conducted in ramin agriculture and natural resources university during 2007-2008, in split plot design by randomized complete blocks design with four replications. experimental factors was chevalier and integrate of granstar and illoxan herbici...

McMaster, G.S., Klepper, B., Rickman, R.W., Wilhelm, W.W. and Willis, W.O., 1991. Simulation of shoot vegetative development and growth of unstressed winter wheat. Ecol. Modelling, 53: 189-204. Mechanistic crop simulation models can aid in directing research and improving farm management. Recent research on winter wheat (Triticum aestivum L.) canopy development was consolidated into a model of ...

in order to evaluation of seed production index in lambsquarters (chenopodium album), leaf appearance and yield of fennel (foeniculum vulgare) under inter-specific competition a factorial experiment was conducted in islamic azad university, tabriz branch, iran, during 2011-2012. treatments were weed densities of 0, 2, 4, 6 and 8 plants per meter row and its relative emergence times of simultane...

following the appearance of a quarantine pest, tomato leaf miner, tuta absoluta (povolny), in europe, monitoring of this species in iran was started by the cooperation of the plant protection organization of iran and the iranian research institute of plant protection. according to the surveys, the first emergence of this pest was detected in october 2010 in azerbaijan-e-gharbi province.

Mature potato (Solanum tuberosum L. cv. Kennebec) canopies are composed of leaves originating frommainand axillary-stem branches. Canopy leaf distribution and its corresponding contribution to wholecanopy photosynthetic rates have not been quantified. An experiment using SPAR (Soil–Plant–Atmosphere–Research) chambers maintained at 16-h day/night thermoperiods of 14/10, 17/12, 20/15, 23/18, 28/2...