Investigation of Relationships Between Laboratory Tests and Seedling Emergence of Canola (Brassica napus L.) Cultivars in Field Condition

Document Type : Original Article

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Abstract

In order to investigate and determine the best laboratory test for predicting seedling emergence of canola (Brassica napus L.) in field conditions, two experiments were conducted using three canola cultivars (RG003, Sarigol and Zarfam). In the first experiment, different laboratory tests including standard germination (SG), germination rate (GR), seedling dry weight (SDW), seedling length (SL), accelerated aging (AA) and electrical conductivity (EC) were conducted as a factorial experiment in a completely randomized design with three replications. In the second experiment a randomized complete block design with three replications was used in field conditions. The results indicated that there was not any significant differences between cultivars in terms of SG and GR. Similarly, there was not significant differences between cultivars in terms of SDW, SL and EC after AA for 24 hours at 41 °C. But, GR, EC, SL and SG after AA for 24 and 48 hours at 41 °C showed significant differences among the cultivars. Generally, the results of this study indicated that EC, SG and AA for 24 and 48 at 41 °C can well predict the percentage of canola seedling emergence in field conditions. Therefore, these tests can be suggested for prediction of canola seedling emergence

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References

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