Sodium azide was applicated to the seeds as a mutagen. It was then planted in the field to produce M1 seeds. 100 of the obtained mutant and control plants were taken and measurements were made.
M2 seeds produced from M1 lines were planted in the field. When the plants had 2-3 leaves, total herbicide with imazamox active ingredient was applied to the green parts of the plants at 3 g a.i/da. Herbicide-resistant plants were identified and M2 seeds were produced. M2 and control seeds were sown in pots under greenhouse conditions. The same measurements were made from mutant plants and control plants. The averages obtained were compared with the T test.
Growing time (day)
According to statistical analyse at the M1 generation difference between mutant plants and control plants are insignifcant. That is to say, statistically there is not much difference between them. It can be seen in Table 1. Growth process of mutant plantsis 106,8 days and it is 108,2 days for control plants. There are also different studies about this issue. Chickpea applicated diffirent EMS doses and gamma ray, growing time compared between mutant plants and control plants there are diffirent results
(Dinkar et al., 2020). Cemen grass applicated chemical mutegen and growing time changing according to mutajen doses
(Basu et al., 2008). Broad bean applicated diffirent chemical mutajen and doses there are diffirent effects on growing time
(Laskar et al., 2014). Chickpea applicated EMS and application has reduced the number of breeding days
(Singh et al., 2015). In conclusion, different growing time effected mutation applications according to our working results and other working results. the average of mutant and control plants are the same. It is thought that this may be due to the fact that the mutation affects the plant genome randomly or does not affect the relevant gene region
(Ul-Allah et al., 2019).
Plant height
According to statistical analyse, at the M1 phase diffirence between mutant plants and control plants are insignificant. Result of the study can be seen in the Table 1. According to this result mutant plants shows height average low compared with control plants height everage. But this different is statictically insignificant. There is a difference between mutant plants and control plants according to M2 Phase. According to these results, mutant plants have higher mean height than control plants. The difference between the means was statistically significant at the 5% level. There are different result about mutation applications on the plants height
(Ul-Allah et al., 2019). Cotton plants applicated mutation and measured M1 generation plant height there arent much different between control plants height and mutant plants height
(Ahmed et al., 2020) wheat applicated chemical mutagen finded mutant plants height higher than control plants. Chrysanthenum applicated diffrents EMS doses which is found mutant plants height higher than control plants
(Chen et al., 2020). Sesame (
Sesanum indicum L.) reported that the application of gamma rays and EMS mutagen in sesame plant significantly decreased the plant height depending on the dose
(Sheeba et al., 2005). Tomatoes aplicated sodium azide and highest plants height is control plants and plants height decrease depend on mutagen doses
(Adamu et al., 2007); Efe et al., (2017). Hungarian vetch applicated different gamma ray and found different result dependenting onvariety
(Ibukun et al., 2019). Kenaf (
Hibiscus cannabinus) plants four varieties used applicated different sodium azide doses. According to result plants height. It differs according to the dose and type
(Rysbekova et al., 2020). Millet plants applicated sodium azide according to result plants height. It differs according to the dose and type
(Abdulkareem et al., 2017). Various tomatoes variety applicated different sodium azide doses according to result plant height different depent on doses and variety. There are a study that aims to quantitative variability in mungbean induced by chemical mutagens according to this study results at the M1 and M2 generations plant height decrease depend of mutagen doses. Highest plant height measured from control plants
(Khan et al., 2006). There are a study aims to mutagenic induction of variability and selection in M2 generation of selected ricebean (
Výgna umbellata Thunb.) cultivars of manipur according to this study results at M2 generations highest plant height measured control plants
(Devi et al., 2006). According to our study and others results mutation applications various effect on the plants height. This result is related to the measured generation. There is also general agreement that mutation effects can be observed at M2 and M3 stages
(Roychowdhury et al., 2012).
Stem thickness
Results in Table 1 study aims mutation aplications that effects on the stem thickness. At the M1 generation different between control plants and applicated plants is insignificant. At the M2 generation different between control plants and applicated plants is significant. According to these results, the mean stem thickness of mutant plants is lower than the mean of control plants. The difference between the means was found to be statistically significant at the 1% level. Plant stem thickness varies depending on mutagent effects on the plants genome, there are high and thin stem plants as well as short broad stem plants
(Hussein et al., 2017). The aim the study is to carry out to determine the mutagenic effect of sodium azide (NaN
3) on M2 generation
Brassica napus L. (Dunkled variety), the average stem thickness of mutant plants was found to be lower than the average of control plants
(Akhtar et al., 2017). Canola applicated different doses sodium azide and highest plant stem were founded from control plants. According to results stem thickness decrease depent on consantraion
(Nizamani et al., 2020). It has been reported that the plant stem thickness differs according to the variety and dose in the mutation performed by chemical mutagen in the okra plant. In this study, it can be said that the difference between M1 and M2 results is due to recessive mutations. For this reason, it can be said that the effects of mutation may occur with recessive homozygous genetic structure in M2 generation.
Branch number
Study aims mutation effects on the branch number and according to M1 result between different statistically 5% in degree is insignificant. According to Table 1 control plants branch number are more than mutant plants. However, according to M2 results, the difference between the average number of mutant and control plant branches was found to be statistically significant by 5%. According to Table 2, the average number of branches of mutant plants is higher than that of control plants. Bolbhatve
et al., (2012)
Macrotyloma unifloruma applicated varios gamma (100-400 Gy) and EMS (0.2 - 0.5%) according to result control plants branch number more than mutant plants. Chrysanthenum applicated varius chemical mutajen and according to result mutation application decreased branch number
(Ghormade et al., 2020). According to our study result mutant plants branch number smaller than control plants branch number. This results can effect from measured generation. plants mutations effects can be seen at M2 and M3 generation
(Roychowdhury et al., 2012).
Biological yield
According to results, difference between mutant plants and control plants biyological yield isinsignificant. Mutant plants biyological yield are less than control plants biyological yield in seen Table 1. (
Akhtar, 2014) Tomatoes (
Lycopersicon esculentum L.) applicated varios EMS (Ethyl Methane Sulphonate) doses and Gamma ray. According to the results of the study, the EMS chemical mutagen is not effective at low doses. Difference between control plant and mutant plants biyological yield is insignificant but mutant plants biyological yield is a little low. According to others studies plants morphologically can decrease because of mutation application.
Seed yield
Mutation application on the seed yield effects are insignificant. It can be seen in Table 1. Mutant plants of Durum wheat Gediz-75 variety compared at M6 and M7 phases in terms of yield and quality between control and mutant plants differents insignificant
(Sakin et al., 2005).
Expressed different doses of sodium azide doses and ethyl methane sulphonate were applied to chickpeas plant (
Barshile, 2016). Accordingly, mutation application decreased seed yield.
Roychowdhury et al., (2012) expressed EMS mutagen was applied to mungbean plant. Accordingly, the lowest seed yield was obtained from control plants. It seen in our study and others mutaiton applications effects on the seed yield various. In the our study difference between control and mutant plants insignificant. It is because of mutation application ineffective on the related seed yield or reses if mutations.
Harvest index
Difference harvest index of between mutant and control plants are statistically insignificant. It can be seen in Table 1 and said between mutant and control plant harvest index difference is insignificant dependent on biological and seed yields. Cotton plants applicated gamma ray, EMS and SA and mutant plants harvest index more than control plants
(Muthusamy et al., 2011). It is known resesif of 95% mutation on the genoma. Mutation effects a bit unobservable M1 generation because of it has resesif genes. It can be observed M2 and M3 generations
(Roychowdhury et al., 2012).
1000 seed weight
Difference between mutant and control plants 1000 seed weight is statically insignificant. There are similar results; (
Sheikh, 2012) wheat applicated various sodium azide doses and between mutant and control plants 1000 seed weight difference statistically insignificant. Rice applicated various chemical mutagen and doses there arent diffrence between control and mutant plants 1000 seed weight (
Dewi, 2016). But pepper applicated ethyl methane sulphonate (EMS) and diethyl sulphate (DES) and there are difference between control plants and mutant plants 1000 seed weight. Lentil applicated chemical mutagen methyl methanesulphonate (MMS) and expressed mutation applcations at low doses (0.1, 0.2 and 0.3 mM) increased 1000 seed weight (
Khursheed and Khan 2014). There arent difference between control and mutant plants because of reses if heredty or mutation application ineffect on the related genome 1000 seed weight.
Root length
The difference between the root length averages of mutant and control plants was found to be statistically significant at 1%. According to Table 2, root length averages of mutant plants are lower than control plants.
Adamu et al., (2007) In tomatoes treated with sodium azide, the highest root length was obtained from the control plant and the root length decreased depending on the mutagen doses (El-Nashar, 2012). Sodium azide (SA) and diethyl sulphate (DES) were applied to
Calendula officinalis L. (Cv. Calypso Yellow) plant and according to the measurements obtained from the M2 generation, the average root length decreased depending on the chemical mutagen doses. The highest root length was measured in control plants, while the lowest root length was measured from high mutagen dose applications. According to the results of the study conducted for lethal dose determination in Malaysian rice (cv. MR219) treated with Ethyl Methane Sulfonate (EMS), root length decreased due to EMS doses
(Talebi et al., 2012). In the study on the biological susceptibility and variability of lentil (Lens culinaris Medik) to chemomutagens. In M1 and M2 generations, plant root length decreased depending on the mutagen dose. The highest root length was measured in control plants (Wani, 2021).
Root weight
The difference between the root weight averages of mutant and control plants was found to be statistically significant at 5%. According to Table 2, root weight averages of mutant plants are lower than control plants. There are some studies; the aim of the study is carried out to determine the mutagenic effects of sodium azide on growth and yield characteristics of wheat (
Triticum aestivum L. em. Thell.), it was reported that increasing mutangen doses had a decreasing effect on plant root weight
Srivastava et al., (2011).
Seedling weight
The difference in seedling weight between mutant and control plants was statistically significant at 5%. As can be seen in Table 2, the average seedling weights of mutant plants are lower than the control plants. In a study conducted to determine the effects of canola (
Brassica napus L.) on seed viability, germination and seedling growth from chemical mutagens, it was reported that mutation application reduced seedling weight
Emrani et al., (2011).