International Sugar Journal

Root traits and competitiveness against weeds in sugar beet [Full subscriber]

Weed control without using chemicals is strongly limiting sugar beet cultivation in a low-input and/or organic agriculture. The aim of this work was to evaluate, in two sugar beet breeding lines characterized by high (L1) and low (L2) yield, some root morpho-functional traits (root elongation rate, total root length and number of root tips) that might be useful for sugar beet competitiveness against weeds. The above traits were evaluated on eleven-day old seedlings grown on a hydroponic nutrient solution whereas root length density and weed density were measured in field trials. The most productive line L1 was characterized by superior…

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