ANBAR JOURNAL OF AGRICULTURAL SCIENCES

Abstract

A field experiment was conducted in experimental field of department of field crop science-Agriculture College-University of Anbar (Abu-Ghariab) during winter season of 2015-2016 in order to study effect of planting distance between rows and planting dates in growth, productivity and its quality of rapeseed (cv. Dhufar). Randomized Complete Block design was used in arrangement of split plots with three replications, planting dates, T1= 12/11/2015, T2= 22/11/2015, T3= 2/12/2015 and T4= 12/12/2015, occupied the main plots while planting distances, D1= 35 cm, D2= 45 cm, D3=55 cm and D4= 65 cm, occupies the sub plots. The following are the prominent obtained results:
Planting distance significantly affected in the studied traits, where the distance 65 cm was superior in most studied traits e.g. number of capsules in square meter with 8526 capsule, number of seeds in capsule by 23.72 seed, seed yield with 8.859 ton ha-1, oil percentage in seeds by 42.67%, weight of 1000 seed with 4.22 gm. Planting dates significantly affected most studied traits, the first date (T1) gave the highest average of oil percentage in seeds by 43.08%, while the planting date T2 gave the highest average of number of capsules in square meter with 7457 capsule and lesser number of days from flowering until physiological maturity with 53.25 day. The date T3 gave highest average of number of seeds in capsule by 22.21 seed, seed yield by 6.72 ton ha-1. The interaction between the planting distance and planting dates (D4T3) achieved highest average of seed yield with 12.38 ton ha-1. Whereas, the combination (D4T2) recorded highest average of number of capsules in square meter with 9910 capsule.