Some Growth Parameters of ‘Red Globe’ Grafted on 140 Ru (Ruggeri) Rootstock Grown on Silty Clay Loam Soil under Diluted Brackish Water Irrigation

Application of brackish water mixed with a local water source used for irrigation in ratios to keep thesalinity of the irrigated soils below the threshold of the grapevines could be an urgent water management practice inareas suffering from scarce water resources such as Jordan. The objective of this research was to evaluate somegrowth parameters of ‘Red Globe’ grafted on 140 Ru (Ruggeri) irrigated with three water salinity levels: 3.0, 5.0 and7.0 dS m-1 in addition to 1.0 dS m-1 as the control treatment. A complete randomized design was used with fivereplicates. ‘Red Globe’ grafted on 140 Ru maintained good performance at only 3.0 dS m-1 irrigation water salinitylevel in terms of shoot length, leaf area, pruning weights and chlorophyll content following bud break. Proline contentper leaf area increased with the increase of the salinity levels. This experiment reveals that grapevine rootstocks thathave V. berlandieri x V. rupestris in their parentage are good salinity tolerant rootstocks.

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