Effects of irrigation applied at different growth stages on chickpea yield

ArticleThis study was conducted over the experimental fields of Erciyes University in 2016 to investigate the effects of irrigations applied at different growth stages on chickpea yields. Experiments were conducted in randomized blocks design with 3 replications. There were 7 irrigation treatments as of I1: rainfed, I2: pre-bloom single irrigation, I3: single irrigation at the beginning of blooming, I4: single irrigation at 50% pod set, I5: two irrigations at 50% bloom and 50% pod-set, I6: two irrigations at pre-bloom and 50% pod-set, I7: full irrigation. The amount of applied irrigation water varied between 85.6–323 mm. Plant water consumptions varied between 262 – 569 mm. The greatest yield was obtained from I4 treatment with 273 kg da-1 and the lowest yield was obtained from I1 treatments with 146 kg da-1. It was concluded for chickpea cultivation under deficit water resources conditions that water deficits may be applied at different growth stages except for 50% pod-set period

Evaluation of bacteriophages in the biocontrol of Pseudomonas syringae pv. syringae isolated from cankers on sweet cherry (Prunus avium L.) in Turkey

2-s2.0-85101256072Background: Bacterial canker and subsequent gummosis are caused by multiple pathogens and lead to significant yield and productivity losses in sweet cherry cultivation in Turkey. This study identified that Pseudomonas syringae pathovars were responsible for bacterial canker on sweet cherry orchards by using classical and molecular methods and evaluated the biocontrol effects of bacteriophages against P. syringae pv. syringae. Results: Pathogenic bacteria were isolated from samples taken from plants showing symptoms of bacterial canker in cherry orchards located in İzmir and Manisa provinces. Specific pathogens were identified using pathogenicity, phenotypic tests, and simplex PCR. Bacteriophages effective against P. syringae strains were isolated from soil contaminated with pathogens identified in the diseased orchards using an optimized isolation protocol. The biocontrol activity of bacteriophage isolates against P. syringae pv. syringae was tested in vitro and in vivo. The results of pathogenicity tests on immature sweet cherry fruits and micropropagated cherry plantlets revealed 10 pathogenic bacteria isolates from 44 plant samples taken from sweet cherry orchards showing symptoms of bacterial canker. Conclusions: Ten isolates were identified as Pseudomonas syringae pv. syringae. Nine different pure bacteriophage isolates were effective. The results indicated that bacteriophage isolates may demonstrate variable reactivity against P. syringae pathovars. © 2021, The Author(s).Ege ÜniversitesiI would like to thank Dr. Monika Kaluzna (Research Institute of Horticulture in Skierniewice, Skierniewice, POLAND) for providing reference strains that have been used in the study and AGROM?LLORA Ltd. ?ti. (Turkey) and the company?s general manager Serhat Bozer for supplying micropropagated cherry plantlets.This work was supported by the Ege University Teaching Staff Training Program (OYP) coordination unit within the scope of OYP

Effect of Rhizobacteria on Plant Growth of Different Vegetables

International Symposium on High Technology for Greenhouse System Management (Greensys 2007) -- OCT 04-06, 2007 -- Naples, ITALYWOS: 000263190000181The objective of this study was to evaluate possible effects of different strains of plant growth promoting rhizobacteria -PGPR- on growth of cucumber, pepper and tomato. Six bacterial strains from the collection of the Department of Plant Protection, Agricultural Faculty of Ege University (18/1K: Pseudomonas putida, 21/1K: Enterobacter cloacae, 62: Serratia marcescens, 70: Pseudomonas fluorescens, 66/3: Bacillus spp., 180: Pseudomonas putida) were compared with two commercial products (Bacillus amyloliquefaciens FZB24, Bacillus amyloliquefaciens FZ1342) and control (without bacteria inoculation). Native PGPR strains were assayed for their ability to produce IAA and phosphate solubilization in vitro. IAA production varied between 0.700 and 0.065 pg ml(-1). Native isolates excluding Bacillus spp. strain 66/3 had phosphate solubilization ability. Rhizobacteria were tested in vivo to determine their effects on seedling growth. The results indicated significant increases in growth of cucumber, tomato and pepper in response to inoculation with PGPR. According to the results of in vitro and in vivo tests, 18/1K, 62, 70 and 66/3 were selected as promising strains among the isolates of Ege University for future studies.Turkish Scientific Research Council -TUBITAK-Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [105 O 571]; Ege University Scientific Research FundEge University [2005 ZRF 004]This work was supported by Turkish Scientific Research Council -TUBITAK-, (Contract No: 105 O 571) and Ege University Scientific Research Fund (Contract No: 2005 ZRF 004). The authors are grateful to Antalya Tarim for kindly providing seeds and Ege Fide for their collaboration in the project

The Occurrence of Fusarium Crown and Root Rot of Tomato in South and Southern West of Turkey

International Symposium on Advanced Technologies and Management Towards Sustainable Greenhouse Ecosystems - Greensys -- JUN 01, 2012 -- Athens, GREECEWOS: 000307442100102Crown and root rot of tomato caused by Fusarium oxysporum f. sp. radicis-lycopersici was first detected in Turkey in 1998. Since then, it has become a common disease in commercial greenhouses in the south and south-western part of Turkey. In order to assess the incidence of the disease and obtain isolates of the pathogen for further studies, a survey was conducted in the greenhouses of two major tomato growing provinces, namely Antalya and Mugla in May of 2008. Diseased plant samples were collected from greenhouses where the crown and root rot had been suspected to occur and symptomatic plants were counted. Fifty-three Fusarium oxysporum isolates were obtained from forty-one tomato greenhouses and twenty-eight of them were selected to use in pathogenicity test. For the pathogenicity tests two tomato cultivars 'Newton F-1' and 'Kardelen F-1' commonly found in commercial greenhouses where the disease symptoms existed, were inoculated by root-deep technique with conidial suspension of those isolates. Based upon their pathogenicity reaction eighteen isolates were identified as F. oxysporum f. sp. radicis-lycopersici. The presence of the pathogen was also confirmed by re-isolations from infected tomato plants on selective media for Fusarium spp. As a result, the incidence of the disease was determined as 26.1 and 85.1% in commercial tomato greenhouses from where the pathogen could be isolated and identified, in Antalya and Mugla, respectively.Turkish Scientific Research Council (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [108 O 069]; Ege University Scientific Research FundEge University [09 BIL 021]This work was supported by Turkish Scientific Research Council (TUBITAK, Contract No: 108 O 069) and Ege University Scientific Research Fund (Contract No: 09 BIL 021)

Yield Enhancement of Hydroponically Grown Tomatoes by Rhizobacteria

International Symposium on Strategies Towards Sustainability of Protected Cultivation in Mild Winter Climate -- JAN 31, 2009 -- Antalya, TURKEYWOS: 000305334500068The objective of this study was to evaluate possible effects of inoculation with plant growth promoting rhizobacteria -PGPR- on yield of tomato plants grown in perlite. Different native bacterial strains from the collection of the Department of Plant Protection, Agricultural Faculty of Ege University (18/1K: Pseudomonas putida, 62: Serratia marcescens, 70: Pseudomonas fluorescens, 66/3: Bacillus spp.) were compared with a commercial product (Bacillus amyloliquefaciens FZB24) and control (without bacteria inoculation). Rhizobacteria inoculation took place before sowing and after transplanting. Seedling production was realised in a commercial nursery. Plant growing experiments were conducted as short term production during fall (September 1, 2005 - January 21, 2006) and spring (February 28 - July 3, 2006) in a PE covered greenhouse. The experimental design was randomized blocks with 4 replicates. Total and marketable yield as harvested fruit weight and number were recorded. The results showed that Bacillus spp. strain 66/3 was effective for increasing tomato yield. Increase in marketable yield in this treatment was determined as 37 and 18% compared to control in fall and spring, respectively.Turkish Scientific Research Council -TUBITAK-Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [105 O 571]; Ege University Scientific Research FundEge University [2005 ZRF 004]This work was supported by Turkish Scientific Research Council -TUBITAK-, (Contract No: 105 O 571) and Ege University Scientific Research Fund (Contract No: 2005 ZRF 004). The authors are grateful to Antalya Tarim for kindly providing seeds and Ege Fide for their collaboration in the project