to compare the quantity and quality of forge production in intercropping systems with maize, pinto bean and pumpkin, an experiment based on randomized complete block design with three replications was conducted at faculty of agricultural science, university of guilan, during 2012 growing season. the treatments consisted of maize, pinto bean and naked pumpkin sole cropping, maize – pinto bean an...

Farming began in Australia and New Zealand after the arrival of European settlers, who brought with them many weeds that later infested their cropping systems. Herbicides have since become dominant form weed control both countries. Early active ingredients, such as 2,4-D, were unable to all types weeds, sparking development other herbicides different modes action. While most land these countrie...

in order to investigate the effect of different weed-free and weed-infested periods on the growth indices of black seed, a field experiment was conducted at the agricultural research station of ferdowsi university of mashhad, during 2009-2010 growing season. the experiment was laid out in randomized complete block design with 12 treatments and 3 replications. twelve experimental treatments cons...

Nematode egg hatch is an important phase in the life cycle (1). Factors that influence this process may have a highly significant effect upon the survival of the nematode, its generation time, and its ability to incite disease. Root diffusates and seasonal changes in environmental, physical, and chemical factors that are related to diapause in unhatched larvae affect the hatching of plant-paras...

The effect of 2-tridecanone vapor on the cowpea weevil (Callosobruchus maculatus) development was determined. Seeds of cowpea were infested with adults and exposed to different doses of 2-tridecanone isolated from Pilocarpus microphyllus Stapf ex Holm, a plant species native from northeastern Brazil. The pure monoterpene was evaluated both undiluted as well as in the dilutions 1:10, 1:100 and 1...

Weed interference is a major threat to rice production, leading high yield reduction and reduced profitability. Therefore, field experiments were conducted evaluate the effect of different timings weed control on growth upland in 2015 2016 cropping seasons. The treatments consisted periods when crop was allowed be weed-infested for first 3, 6 9 weeks after sowing (WAS) weeds controlled WAS. Two...