PJB-2018-1111
EFFECTS of IBA and PLANT GROWTH-PROMOTING RHIZOBACTERIA (PGPR) on ROOTING of RAMSEY AMERICAN GRAPEVINE ROOTSTOCK
BURÇAK İŞÇİ
Abstract
This experiment was conducted to reveal the effects of PGPR and IBA on rooting characteristics for Ramsey “Salt Creek” (Vitis champini) under the nursery. Hard wood cuttings of Ramsey were subjected to PGPR (EMA1, EMA6, EMA24, EMA MEDIA, EMA CALLUS, EMA QUICK DIP) with dipping time at (1h., 6h., 24 h.), IBA concentration at (25, 2000, 4000 ppm) with dipping time at (long-soak method/24 h, quick dip method/4 second). Data were recorded on specific rooting and shooting characteristic. Results obtained from treatments showed significant differences at p≤0.01 for specific rooting characteristic, like rooting rate (%), rooting degree (0-4 scala), root length (cm), root fresh and dry weight (g) under the interaction between PGPR and IBA concentration and dipping time. The rooting rate of EMA1 was 56.7%, and was better than IBA treatments. Rooting degree (0-4 scala) was 3.7 with EMA MEDIA and 3.7 with IBA4000. The highest root lenght (cm) were obtained EMA MEDIA (41.2) and EMA1 (35.0). The best result on fresh root weight (g) was determined with EMA6 (10.6). As a conclusion, inspected rooting characteristics generally increased with the PGPR treatment.
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