Effect of EMS and SA on seed germination percentage in M1 generation of Psophocarpus tetragonolobus (L.) Dc.

2016 ◽  
Vol 5 (11) ◽  
pp. 5056
Author(s):  
A. S. Sonavane

In the present investigation, the two chemical mutagens namely Ethyl methanesulfonate (EMS) and Sodium azide (SA) were used to induce mutations in winged bean (Psophocarpus tetragonolobus (L.) DC.). Winged bean is a potential legume crop of the tropics with high protein and oil content in the seeds. For larger scale cultivation however, the major drawbacks possessed by winged bean should be minimized. The drawbacks such as presence of undesirable antinutritional factors, absence of market demands and labour intensive nature of crop.Hence its production and productivity need to be improved from the present level. A mutation breeding programme was undertaken with the objective of developing improved varieties of winged bean so that it can be popularized among the farmers for its cultivation over large areas. Thus in the present studies, attempts have been made to induce mutations in winged bean and to find out the effect of EMS and SA on seed germination percentage in M1 generation.

2020 ◽  
Vol 50 (2) ◽  
Author(s):  
Murthazar Naim Raai ◽  
Nurul Amalina Mohd Zain ◽  
Normaniza Osman ◽  
Nur Ardiyana Rejab ◽  
Nurul Amylia Sahruzaini ◽  
...  

ABSTRACT: An experiment was conducted to investigate the effects of different shading regimes [i.e., 60% (heavy), 30% (moderate), and 0% (control)] on 25 traits associated with the morphological features, photosynthetic gas exchange and agronomic characteristics of winged bean (Psophocarpus tetragonolobus), an underutilized protein-rich legume from the tropics. Collectively, 80% of the studied variables displayed significant differences (P<0.05) between at least two shade treatments. Shading generally showed most pronounced effect on the physiological traits of the legume, whereby the stomatal conductance, photosynthetic and transpiration rate differed significantly among plants for all treatments. The non-shaded plants were observed to have superior growth and physiological responses than the shaded plants. Interestingly, the moderately shaded plants exhibited the highest yield per plant, which significantly differed from the non-shaded and heavily shaded plants. This indicated that winged bean can adapt to partial canopy cover, making it a potential nitrogen-fixing cash crop which can be planted together with fruit or oil trees in commercial plantations.


Food Research ◽  
2021 ◽  
Vol 5 (5) ◽  
pp. 205-211
Author(s):  
N.P. Minh

The demand for sprouted seeds as dietetics and exotic healthy foods has recently increased. Winged bean seeds contain both nutritional composition and antinutrients. In order to convert this seed into healthy food, the winged bean was germinated into a vegetable sprout. In this research, the influence of soaking and sprouting conditions on the physicochemical and sensory attributes of sprouts was observed. Results showed that winged bean should be soaked in water at 34oC in 7 hrs, water to solid 3/1. The soaked seed was drained for 15 mins and incubated at temperature 36oC for 18 hrs. Following these parameters, the winged bean sprout achieved extended length (46.25±0.02 mm), vitamin C (124.13±0.01 mg/100 g), total phenolic content (997.34±1.14 mg GAE/100 g) and overall acceptance (8.94±0.02). Soaking terms for sprouting could improve the nutritional attribute of the winged bean as a functional foodstuff


Plants ◽  
2021 ◽  
Vol 10 (8) ◽  
pp. 1746
Author(s):  
Sasiprapa Sriwichai ◽  
Tidarat Monkham ◽  
Jirawat Sanitchon ◽  
Sanun Jogloy ◽  
Sompong Chankaew

Winged beans (Psophocarpus tetragonolobus (L.) DC.) are grown as a vegetable legume crop in Thailand. All parts of the plant, including pods, seeds, leaves, flowers, and tubers are edible and are rich in protein and nutrients. Although the major consumption of winged bean is based on pod and tuber yields, only the people of Myanmar and Indonesia utilize winged bean tubers as food materials. The usefulness of the winged bean as an alternative crop for staple food and feed can shed some light on the impact of winged bean. Therefore, the evaluation of the dual purpose of the winged bean based on pod tuber yields is the objective of this study. In this study, ten-winged bean accessions—six accessions obtained from introduced sources and four accessions obtained from local Thai varieties—were laid out in randomized complete block design (RCBD) with three replications at the Agronomy Field Crop Station, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand from September 2019 to April 2020 and from October 2020 to April 2021. Data, including total pod weight, number of pods, pod length, 10-pod weight, and tuber weight were recorded, and the proximate nutrient and mineral contents in the tubers were also determined. The results revealed that the principal effects of year (Y) and genotype (G) were significant for total pod weight and the number of pods. Moreover, the Y*G interactions were principal effects upon the total pod weights and tuber weights. The results indicated that superior genotype and appropriate environmental conditions are key elements in successful winged bean production for both pod and tuber yields. The winged bean accessions W099 and W018 were consistent in both experimental years for pod and tuber yields at 23.6 and 18.36 T/ha and 15.20 and 15.5 T/ha, respectively. Each accession also proved high in tuber protein content at 20.92% and 21.04%, respectively, as well as significant in fiber, energy, and minerals. The results suggest that the winged bean accessions W099 and W018 can be used for dual-purpose winged bean production in Thailand.


Author(s):  
Jitendra Kumar Tiwari ◽  
Raja Ram Kanwar ◽  
Rajendra Kumar Yadav ◽  
Anil Kumar Singh

Background: Winged bean [Psophocarpus tetragonolobus (L.) DC] is a protein rich, underexploited leguminous vegetable of the tropics. It grows abundantly in hot and humid environments. The present investigation applied AMMI and GGE biplot techniques to study the patterns of GEI in 05 winged bean genotypes, to find high yielding and most stable genotype(s) suited to Chhattisgarh state of India. Methods: An experiment was carried out to ascertain the Gene × Environment interaction (GEI), yield stability and adaptability of 05 winged bean (Psophocarpus tetragonolobus L.) genotypes in Chhattisgarh India by using AMMI and GGE biplot models. Result: First and second component of AMMI model explained more than 84.10% of GEI variation. Genotype ‘AKWB-1’ exhibited maximum trait value with specific adaptation while genotypes ‘RMDWB-1’ and ‘Ambika 11-3’ showed general adoptability. GGE biplot model explained that genotypes ‘RMDWB-1’ and ‘AKWB-1’ were the best performers in all the environments excluding E4, while ‘Ambika 11-3’ was the best performer at location E4 regarding the graphical analysis models of AMMI and GGE biplot. Winged bean genotype ‘AKWB-1’ was the most stable genotype in all the test environment in terms of mean yield and it would be recommended for commercial cultivation in Chhattisgarh state. Other high yielding and stable genotypes i.e., RMDWB-1 and Ambika 11-3 can also be used as parents in winged bean improvement programs.


1987 ◽  
Vol 36 (4) ◽  
pp. 367-371 ◽  
Author(s):  
P. S. Misra ◽  
Gopal Misra ◽  
Dhan Prakash ◽  
R. D. Tripathi ◽  
A. R. Chaudhary ◽  
...  

2017 ◽  
Vol 4 (04) ◽  
Author(s):  
ANURADHA PATEL ◽  
POONAM VERMA ◽  
SHARDA CHOUDHARY ◽  
ARVIND KUMAR VERMA

Fenugreek (Trigonella foenum-graecumL.) is an annual crop, mainly used as a spiceand leafy vegetable crop in many parts of the world. Classical breeding in fenugreek is restricted due to its low genetic variability and small flower size which hamper manual emasculation and pollination. Mutation breeding is an effective way to enrich genetic variability in crop plants. An experiment was conducted to determine the lethal dose of the physical mutagen gamma rays in fenugreek. The dry seeds of fenugreek were exposed to different doses of gamma rays i.e. 150Gy, 200Gy, 250Gy, 300Gy and 350Gy. These irradiated seeds were sown in the Petri plates with non-irradiated seeds (control). As the dose of gamma rays increased, there was a decrease in germination percentage, seedling survival, root length, shoot length and vigour index. Among five doses of gamma rays, the maximum seed germination was observed at lowest dose 150Gy (93%), followed by 200Gy (83%), 250Gy (76%), 300Gy (76%) and 350Gy (64%). The seedling survival was decreased from 90% (in control) to 56% in 350Gy dose of gamma rays. The gamma rays dose of 150Gy gave stimulatory effect on seedlings growth. The growth parameters were dose dependent, as the dose of gamma rays increased from 200Gy to 350Gy. The gamma rays dose of 350Gy showed 64% seeds germination and 56% of seedlings survival. Therefore, it is concluded that the LD50 dose for fenugreek is close to 350Gy. This information would be highly useful for initiating mutation breeding programme in fenugreek


Agronomy ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 338
Author(s):  
Naeem Ahmed ◽  
Asad Masood ◽  
Kim S. Siow ◽  
M. F. Mohd Razip Wee ◽  
Rahmat Zaki Auliya ◽  
...  

In general, seed germination is improved by low-pressure plasma (LPP) treatment using precursors such as air, nitrogen, argon, or water (H2O). Here, H2O-based LPP treatment using the optimized parameters of 10 W and 10 s improves the germination of Bambara groundnut seeds by 22%. LPP increases the wettability and roughness of the seed hilum while oxidizing the surface with carboxyl and amine groups. In this H2O-based treatment of Bambara groundnut seeds, combinatory etching and chemical modification facilitated the imbibition process and increased the germination percentage. The success of this method has the potential to be scaled up to solve food security with seeds otherwise facing germination-related issues.


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