The Influence of Mother plant climate on germination characteristics of two populations OF Syrian mesquite (Prosopis farcta)

زارع, احمد and الهی فرد, الهام and اسدی نژاد, زهرا The Influence of Mother plant climate on germination characteristics of two populations OF Syrian mesquite (Prosopis farcta). In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

In order to investigate the effect of mother plant climate on the germination characteristics of two weed populations of Syrian mesquite (Prosopis farcta), a factorial experiment was conducted base on completely randomized design (CRD) with 4 replications. The first factor consisted of two populations of Syrian mesquite collected from Fars and Khuzestan province and the second factor consisted of constant temperatures (5, 10, 15, 20, 25, 30, 35, 40 and 45 °C). The results indicated the response of two population of Syrian mesquite to temperatures was different. Two population of Syrian mesquite were not able to germinate at 5, 10 and 45 °C. On the other hand, Khuzestan population was germinated at 40°C (45%), while Farsi population wasn’t able to germinate at 40°C. Fars population had more than 95% germination at 15 °C and the germination percentage of Khuzestan populations was less than 65%. .Germination rate in Fars population was more than Khuzestan population. Vigor index at low temperatures (less than 30 °C) was more in Fars population and at Khuzestan population at higher temperatures (30, 35 and 40 °C). Generally the results indicated the mother plant climate can effect on germination characteristics.

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