Document Type : Research Paper
Authors
1
1- Associate Professor of Crop and Horticultural Science Research Department, East Azarbaijan Agricultural and Natural Resources Research and Education Center, AREEO, Tabriz, Iran
2
Researcher, Crop and Horticultural Science Research Department, East Azerbaijan Agricultural and Natural Resources Research and Education Center, AREEO, Tabriz, Iran.
3
Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.
10.22059/ijfcs.2025.391665.655130
Abstract
The research was conducted to investigate the effect of foliar application of seaweed extract on seed and oil yields and its components of rapeseed genotypes in the marginal areas around Urmia Lake. The experiment was done in the cropping year 2023-2024 as a split-plot based on a randomized complete block design with three replications at East Azerbaijan Agricultural and Natural Resources Research and Education Center. The experimental factors included the foliar application of seaweed extract at two levels (control and 5 per thousand) as the main factor and 40 canola genotypes as the sub-factor. The results showed that the foliar application of seaweed extract increased the number of sub-branches, chlorophyll index, number of pods per plant, 1000-seed weight, harvest index, and seed and oil yields. Genotype HL3721×Rohan had the highest amounts of pods per plant (131.4), seeds per pod (27.6), and seed and oil yields of 3657 and 1683 kg/h, respectively. HL2012×GK Csenge and Triangle×Modena genotypes had the lowest seed yield compared to others. The results of principal components analysis among the studied traits showed significant correlation between seed and oil yields. Also mentioned traits had significantly positive correlations with plant height, pods per plant, and harvest index. This shows the role of the mentioned traits in the formation of plant performance. By cluster analysis with Ward's method, after HL3721×Rohan, eighteen genotypes with an average seed yield of 2311 kg/ha were placed in one group. These genotypes can be used as promising genotypes in the marginal areas around Urmia Lake.
Keywords
Main Subjects
)