Study on crossing blocks of rapeseed and F1 generationý.
2012
Naraki, Hushang
Present study in order to study in the rapeseed crossing block in the Gachsaran agricultural rain fed station at the 2009-2011. in this experiment has been studied 13 advance rapeseed cultivar which each genotypes was planted in the one row with 2 meters length, 30 cm spacing from each other in the to time planting 10 days at green house conditions. During growing period were done agronomic operation such as irrigation, weeding, fertilizer and after anthesis and before flowering completely, was made crossing and with special pocket was covered crossed flower. After seed maturity harvested them carefully. Harvested seeds in the next year, was planted in the one row with 2 meters length and same as the last year was performed agronomic operation. Before anthesis, single plant selected in order to pollination prohibition was covered by lattice clothes. Finally, harvested seed spare.
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