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Sensor Based Irrigation Effects On Root Distribution And Growth Of Grafted And Non-Grafted Watermelons, Gilbert Miller
Sensor Based Irrigation Effects On Root Distribution And Growth Of Grafted And Non-Grafted Watermelons, Gilbert Miller
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ABSTRACT
Watermelon rooting patterns, root dry weight, plant biomass, stomatal resistance, root-to-shoot ratio, fruit yield, and fruit quality were evaluated in field trials during 2008, 2009 and 2010, using three irrigation regimes and three plant types. Plant types included: `Wrigley' grafted on Cucurbita moschata x Cucurbita maxima cv. Chilsung Shintoza; `Wrigley' grafted on Lagenaria siceraria cv. Fr Strong; and `Wrigley' not grafted. The irrigation regimes were: (1) No irrigation (NI) (30 minutes per day for fertigation only); (2) 50% and (3) 15% available water depletion (AWD) in the 0-30 cm soil profile triggered irrigation. Each whole plot contained a Sentek …