Kendilenmiş Mısır Hatlarının Kuraklık Stresine Tolerans Düzeylerinin Belirlenmesi

Bu calismanin amaci, kuraklik stresine toleransli hibrit cesitleri gelistirmek icin kendilenmis misir hatlarini kurakliga tolerans acisindan taramaktir. Calismada at disi ve sert tane tipine sahip 20 adet misir hatti 2012 ve 2013 yillarinda normal (sulu) ve kuraklik stresi denemelerinde degerlendirilmistir. Denemeler tesaduf bloklari deneme desenine gore 3 tekerrurlu olarak ekilmistir.  Normal denemede mevcut nem tarla kapasitesinde tutulurken, kuraklik stresi denemesinde bitkiler V10-12 gelisme doneminden (takriben ciceklenme tarihinden 2-3 hafta once) itibaren strese maruz birakilmistir. Denemelerde kuraklik stresi calismalarinda en cok one cikan seleksiyon kriterleri olan erkek ve disi cicek arasindaki gun farki (EDF), bitki basina kocan sayisi (BBKS), kocanda tane sayisi (KTS), yaprak kuruma duzeyi ve tane verimi ozellikleri incelenmis ve stres indeksleri ile hatlar kurakliga toleranslilik bakimindan karakterize edilmistir. Arastirma sonucunda, Ant I-69 (229.4 kg/da), TK 72 (220.5 kg/da), Ant-24702 (196.4 kg/da), Ant I-39 (174.6 kg/da) ve Ant I-09 (146.8 kg/da) hatlari tane verimi bakimindan kuraklik stresine en toleransli hatlar olurken, Ant 910255 (27.6 kg/da), Ant I-46 (28.2 kg/da), Ant I-82 (29.0 kg/da) ve Ant I-08 (45 kg/da) en hassas hatlar olarak tespit edilmislerdir. Ant I-69, TK 72, Ant-24702, Ant I-39 ve Ant I-09 hatlari ayni zamanda EDF, BBKS, KTS ve yaprak kuruma duzeyi ve stres tolerans indeksleri bakimindanda en cok one cikan hatlar olmuslardir. Arastirma sonucunda kullanilan misir genetik materyalinin kurakliga tolerans islahi icin degerlendirilebilecegi ongorulmus ve secilen misir hatlari gelecek donem calismalari icin onerilmistir.

• Publication year

  2019

• Venue

  Türk Tarım ve Doğa Bilimleri Dergisi

• Publication date

  2019-04-22

• Fields of study

  Not labeled

• Identifiers
  DOI 10.30910/TURKJANS.556598
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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