Effects of plant density on the yield and yield components of true potato seed (TPS) hybrids in early and main crop potato production systems

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dc.contributor.authorCaliskan, Mehmet Emin
dc.contributor.authorKusman, Noyan
dc.contributor.authorCaliskan, Sevgi
dc.date.accessioned2024-09-18T21:00:21Z
dc.date.available2024-09-18T21:00:21Z
dc.date.issued2009
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThis study was conducted to evaluate true potato seed (TPS) technology for use in ware or seed potato production in two contrasting environments in Turkey during 2002 and 2003. The field experiments were carried out in the Hatay and Nevsehir provinces in Turkey, which represent a Mediterranean early crop potato production area and a temperate main crop potato production area, respectively. The plug seedlings of six TPS hybrids were transplanted to the fields at four densities (15, 20, 25 or 30 plants m(-2)). The seed tubers of the medium early cultivar Marfona were also planted in the experimental plots to compare the performance of the TPS hybrids with traditional seed tubers. Transplanting of the seedlings was significantly delayed in Hatay due to unsuitable weather conditions in both years. The seedlings needed an adaptation period of 2-4 weeks after transplanting depending on the location and the growing conditions. The adaptation period was longer in Hatay due to high air temperatures after transplanting. Although the yield performance of the TPS hybrids differed depending on the location and year, the TPS hybrids produced noticeably higher total tuber yields in Nevsehir location (ranging from 43.1 to 62.5 t ha(-1) in 2002 and from 39.5 to 50.6 t ha(-1) in 2003) than in Hatay (ranging from 15.3 to 19.6 t ha(-1) in 2002 and from 15.1 to 19.1 t ha(-1) in 2003). The percentage of marketable tubers (>28 mm) was also considerably higher in Nevsehir. The optimal plant density varied between 25 and 30 plants m(-2) with regard to the total yield, while the optimal density with regard to the marketable yield was 20 or 25 plants m(-2) depending on hybrids in Nevsehir. However, none of the tested plant densities caused competition between plants in Hatay, where the environmental conditions during the growing period considerably restricted the growth of individual TPS seedlings. It was concluded that transplanting of TPS seedlings can be considered a feasible alternative for ware or seed potato production in temperate environments like Nevsehir that have growing periods of at least 4 months. However, there are several obstacles, such as difficulties with the timing of transplanting, long adaptation period that threaten the practicability of TIPS technology in Mediterranean-type environments. Further agronomical studies focused on reducing inter- and intra-plant competition are needed for both environments in order to improve the acceptability of TPS technology to farmers. (C) 2009 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey [TOGTAG-2928]en_US
dc.description.sponsorshipThis study was funded by The Scientific and Technological Research Council of Turkey (TUBITAK) under the project TOGTAG-2928.en_US
dc.identifier.doi10.1016/j.fcr.2009.08.002
dc.identifier.endpage232en_US
dc.identifier.issn0378-4290
dc.identifier.issn1872-6852
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-70349781651en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage223en_US
dc.identifier.urihttps://doi.org/10.1016/j.fcr.2009.08.002
dc.identifier.urihttps://hdl.handle.net/20.500.12483/12617
dc.identifier.volume114en_US
dc.identifier.wosWOS:000271257400008en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofField Crops Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTPSen_US
dc.subjectHybriden_US
dc.subjectSeedling transplantingen_US
dc.subjectMediterraneanen_US
dc.subjectTemperateen_US
dc.subjectTurkeyen_US
dc.titleEffects of plant density on the yield and yield components of true potato seed (TPS) hybrids in early and main crop potato production systemsen_US
dc.typeArticleen_US

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