Evaluation of basil (Ocimum basiilicum L.) and sesame (sesamum indicum L.) yield in different intercropping mixtures via competition indices

بوم شناسی کشاورزی

Article 3, Volume 5, Issue 3 - Serial Number 17, September 2013, Pages 243-254   

Document Type: Scientific - Research

DOI: 10.22067/jag.v5i3.28995

Authors

Alale Motaghian^{* 1}; Hemmatollah Pirdashti¹; Vahid Akbarpour²; Gazal Serajpour³; Mohammad Yaghoubi Khanghahi¹; Sajjad Shariatnejade⁴

¹Department of Agronomy and Plant Breeding, Genetic and Agricultural Biotechnology Institute of Tabarestan, Sari Agricultural Sciences and Natural Resources University, Sari

²Department of Horticulture, University of Agricultural Sciences and Sari Natural Resources

³Department of Agriculture, Payame Noor University of Tehran, Karaj Branch

⁴Department of Horticulture, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran.

Abstract

In order to study the possibility of intercropping of basil and sesame, an experiment was carried out in a randomized complete block design with three replications at the Sari Agricultural Sciences and Natural Resources University during growing season of 2009-2010. Treatments consisted of different planting ratio, P1: sole cropping of basil, P2: 75% basil+ 25% sesame, P3: 50% basil+ 50 % sesame, P4: 25% basil+ 75% sesame and P5: sole cropping of sesame. In this experiment, the 50 % basil+ 50 % sesame and 25% basil+ 75% sesame had the highest intercropping yield (1141.80 and 1098.75 kg.ha-1, respectively) and land equivalent ratio (LER=1.29 and 1.33, respectively). Also, 50 % basil+ 50 % sesame mixture was recorded the highest crowding coefficient (Kbasil = 1.49), aggressively value (A basil = -0.19) and nearly 20% yield increases of basil in mix-proportion compared to sole crop. Furthermore, the most of sesame aggressively value (Asesame=0.85) and 97% sesame yield increases were observed in 25% basil+ 75% sesame mixture compared to sole crop. In conclusion, according to high competition efficacy of sesame plant in mix-cropping the 50% basil+ 50 % sesame and 75% basil+ 25% sesame culture ratio produced the highest yield.

Keywords

Actual yield loss; Aggressively value; Land equivalent ratio