Evaluation and selection of international spring bread wheat lines/varieties in northern warm and humid zone
2012
Khodarahmi, Manoochehr | Khavarinejad, Mohammad | Khanzadeh, Hassan | Soghi, Habibollah | Kalateh Arabi, Mehdi
In order to study, compare and achieve new spring bread wheat cultivars more high yielding comparing to widely grown varieties, comprising resistance to diseases, lodging, shuttering and determination of valuable plant genetic resources received from International centers to be used in crossing blocks and active contribution, this research project including the following five nurseries were implemented in 2010-2011 cycle. A-Replicated Trials: 1-ESWYT 2-HRWYT 3-EBWYT B-Observation nurseries: 1- IBWSN 2- HRWSN In all replicated trials' grain yield of each entry was weighted separately. Combined variance analysis were implemented on the collected data based on statistical rules. High yielding Lines / Varieties, were selected for advance trials of next year. Plot size in replicated and observation nurseries were 3.6 m² and 1.2 m² respectively. Measurement of Lines / Varieties in observation nurseries with no replication as they were carried out in some locations, were in observation nurseries measurement and calculation of results were based on Rank method and each location was assumed as one replication. and superior genotypes participated in PRWYT in 2011-2012 cycle. Finaly based on Rank metod , comparing the yield of entrise to checks and favoride morphological characters 15, 13, 13,26 and 36 superior lines/varietise were selected from ESWYT, HRWYT,IBWSN, EBWYT and HRWSN trials respectively
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