Aryan S. A. Dizayee, Sami M. Maaroof

Abstract

A field experiment was carried out on intercropping of wheat (Triticum aestivum L.), chickpea (Cicer arietinum L.), and wild mustard (Sinapis arvensis L.). Treatments from combinations of either single, double or triple (row: crop) proportions were arranged in the standard replacement series at Grdarasha experimental farm (36.2º N, 44.1º E, and elevation of 476 m) during the winter season of 2016-17. The aim of the present study was to evaluate some of the growth aspects of wheat (A) and chickpea (B) in the presence of wild mustard (C), which invades common weed in these areas. Wheat crop possessed the highest values of biological dry biomass (BIO), crop growth rate (CGR), and relative growth rate (RGR) whether measured on physical or thermal scales at the first three growth intervals, while mustard weed showed superiority in the same growth aspects at the last two growth stages of flowering and maturity. This could be the reason for the lower performance of the cultivated crops in the presence of the wild mustard‎.