This paper evaluates the response on the rate of photosynthesis (Pn). transpiration (E). stomatal conductance (gs) and water use efficiency (WUE) in 15 genotypes of young hop plants (19 BBCH) grown in greenhouses in the conditions of water deficit for the period of 9 days. On the 9th day. https://spencertifieders.shop/product-category/recorders-minidisc-players/