jotaf

Tekirdağ Ziraat Fakültesi Dergisi

1302-7050 2146-5894

Tekirdağ Namık Kemal Üniversitesi

10.33462/jotaf.677216

Germination and Early Growth Performances of Mung Bean (Vigna radiata (L.) Wilczek) Genotypes Under Salinity Stress

https://orcid.org/0000-0002-2400-057X

Benlioğlu

Berk

ANKARA ÜNİVERSİTESİ, FEN BİLİMLERİ ENSTİTÜSÜ, TARLA BİTKİLERİ (DR)

https://orcid.org/0000-0002-6869-4526

Özkan

Uğur

ANKARA ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ, TARLA BİTKİLERİ BÖLÜMÜ

09 29 2020

17 3 318 328 01 20 2020 07 02 2020

2005

Tekirdağ Ziraat Fakültesi Dergisi

Salinity is the abiotic stress factor that most restricts agricultural production after drought. In this study, mung beans (Vigna radiata (L.) Wilczek) genotypes were analyzed the resistance performance to salinity stress in germination stage and early seedling stage. In accordance with this purpose, 17 mung bean genotypes were used in the study. Genotypes used in the study were treated with distilled water (0) and 2 different salt doses (4 and 8 mmhos cm-1 NaCl) as the control group. Petri dishes were allowed to stay at room temperature (25 ° C) for 9 days, and salt solution was added when required. The data obtained from the study, were obtained on the average of the measurements made on the 9th day and then analyzed. Germination power, root length, shoot length, fresh weight and dry weight were determined as the analyzed parameters in the study. Increasing NaCl doses generally affected all parameters negatively. According to the analysis of variance with the results obtained, the genotypic effect was found to be statistically significant in all parameters, which was analyzed in this study. Stress dose was found to be statistically significant in all parameters except the dry weight parameter. In addition to this, genotype × stress dose interaction was determined to be statistically significant in germination power, root length and shoot length parameters. Genotypes, which were numbered No.20 and No.24, had maximum results in statistically important parameters such as germination power (97.00-94.11%), root length (1.557-1.563 cm) and shoot length (2.033-1.793 cm) under applied highest salt dose. As a result of this, No.20 and No.24 genotypes were determined to be the more tolerant to salt stress than other genotypes used in the study. As a conclusion, it is suggested that No.20 and No.24 genotypes can be used as parental plants in the breeding of new varieties tolerant to salinity in the future.

Vigna radiata (L.) Wilczek Abiotic stress NaCl Germination rate Early seedling

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