Effect of Ems and Sa on Survival of Plants at Maturity in M1 Generation of Psophocarpus Tetragonolobus (L.) Dc.

Sonavane., A.S.

doi:10.21474/ijar01/3453

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“…Reduced plant survival may due to the occurrence of random point mutations and chromosomal breaks that lead to lethal effects 23 . The chromosomal injury caused by EMS was observed in winged bean which affected plant survival 24 . In the M1 plant of C. annuum treated with 0.8% EMS and 1 EMS, high level of abnormal chromosome configuration in meiosis was observed which reduced plant vigour 22 .…”

Section: Resultsmentioning

confidence: 99%

Morphological Changes of Capsicum annuum L. Induced by Ethyl Methane sulfonate (EMS) at M2 Generation

et al. 2018

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The objective of this study was to identify morphological variation in M2 plants of Capsicum annuum derived from seed treated with ethyl methanesulfonate (EMS). The M1 generation was developed by treated seed with 0.5%, 0.75% and 1% EMS in phosphate buffer pH 7.0 for 6 hours. Seedlings of M1 were planted in the field and seeds resulted from M1 plants were harvested and planted for morphological analysis. Plants were planted in polybag in progeny row system. Results showed that there was a decrease in both seedling emergence and plant survival due to EMS treatments. Several morphological variations were observed in plant height, leaf size, pattern of the branch, number of main stems and petal number of the flower. In the M2 generation, treatment of 1% EMS generated tall plant, small plant with pale green leaf colour, dwarf plant mutant and plant with two stems. The 0.75% EMS resulted in the short mutant with many branches while 0.5% EMS produced plant with pale green leaf colour. These results indicated that EMS mutagenesis in C. annuum generated interesting morphological characters that differ to control plants which can be used in C. annuum improvement program.

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Section: Resultsmentioning

confidence: 99%