abstract lettuce (lactuca sativa l.) is a major leafy vegetable and belongs to the asteraceae family (compositae). the genetic manipulation of lettuce requires a reliable and efficient regeneration method. since lettuce is a suitable bioreactor for production of recombinant proteins especially edible vaccines. this study was conducted to identify an appropriate method for lettuce gene transform...

Climate change increases the earliness and effect of spring dry spells. The efforts to reduce their negative effects on tree regeneration include improvement in physical properties soil aimed at an increase water retention availability. Clinoptilolite from group zeolites belongs among such water-absorbent natural materials. article aims assess clinoptilolite admixture a growing medium, along wi...