lima bean
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Author(s):  
Daniel Rodrigues Nere ◽  
José Wagner Da Silva Melo ◽  
Debora Barbosa De Lima ◽  
Ervino Bleicher

The spider mite Tetranychus neocaledonicus André (Acari: Tetranychidae) is a potential threat to the cultivation of lima bean (Phaseolus lunatus L.). In many countries, lima beans are grown by small-holder farmers with limited access to inputs and technologies. In such systems, the implementation of control practices, such as chemical treatments that require costly equipment and supplies, becomes unviable. Therefore, the development and use of resistant plant genotypes could provide a promising alternative for small producers. Accordingly, the present study aimed to identify and evaluate T. neocaledonicus-resistant genotypes of lima bean. A total of 30 lima bean genotypes were evaluated using the instantaneous increase rate (ri) of T. neocaledonicus reared on individual host genotypes, and T. neocaledonicus fertility life tables were generating by rearing mites on host genotypes with the two highest ri values (IFCE-085 and IFCE-091, considered highly susceptible) and two lowest ri values (IFCE-084 and IFCE-090, considered resistant). Only the IFCE-090 genotype adversely affected immature T. neocaledonicus individuals, by reducing their survival rate, net reproductive rate (Ro), finite rate of increase (λ), and intrinsic rate of increase (rm) and by increasing their mean generation time (T) and time to reach adulthood. The results demonstrate the variation in the susceptibility of lima bean genotypes to T. neocaledonicus and identify the IFCE-090 genotype as a potential source of mite resistance.


2021 ◽  
Vol 913 (1) ◽  
pp. 012080
Author(s):  
A Fitriyah ◽  
Isyaturriyadhah ◽  
Y Mariani ◽  
NMA Kartika ◽  
R Harmayani ◽  
...  

Abstract Bali cattle plays a significant role as producers of food products for humans. Legumes are used in high-quality animal feed to increase productivity. This study analyzed the use ofdomestic Soybean (Glycine max), Lablab bean (Lablab purpureus), and Lima bean (Phaseolus lunatus) as the genistein in Bali cattle feed to shorten postpartum estrus. Different drying methods were applied by putting the ingredients in the oven at 55 ºC and the freeze dryer at -40 ºC.Further, genistein was detected using the Thin Layer Chromatography Method at UV 254 and 366 to determine the Rf value. The parameters measured include genistein detection and genistein identification as well as genistein content in legume straw. The data were analyzed descriptiveusing ANOVA and t-test. The result showed that only two samples adhered to the gel silica plate, including domestic soybean straw using the oven and freeze dryer (DSOD and DSFD), with 0.48 in DSOD and 0.51 in DSFD of Rf value, that is close to the genistein standard with the Rf value of 0.50 and purple colour as the colour of genistein standard. Moreover, the statistical analyses indicated significant differences in the genistein content of legumestraw between DSOD and DSFD (P<0.05), where DSOD=0.662g/100g and DSFD=1.770g/100g. The domestic soybean straw is regarded as a potential source ofBali cattle feed to improve productivity.


2021 ◽  
Vol 924 (1) ◽  
pp. 012033
Author(s):  
H T Palupi ◽  
T Estiasih ◽  
Yunianta ◽  
A Sutrisno

Abstract Lima beans (Phaseolus Lunatus L.) are underutilized crops with an excellent profile. Processing to flour to enhance the starch and protein content, reducing anti-nutritional components and the same time diversifies their use as ingredients by altering their functional properties. The study aims to characterize nutritional, amino acids, anti-nutritional, pasting and functional properties of Lima bean flour from Indonesia’s cultivated plant. The results showed that the Lima bean flour has a high carbohydrate concentration, moderate protein concentration, and low fat concentration. This flour has a balanced amino acid profile, rich in essential amino acids, highlighting them as a source of good quality protein for the food formulation of protein-enriched. The Lima bean flour contained 10.36 mg/g phytic acid, lower in phenolic content (0.63 mg/g) and concentration of HCN (8.83 mg/kg). The functional properties of the Lima bean flour swelling power, solubility, water absorption capacities, and oil absorption capacities were 6.88 g/g, 18.68%, 1.93 g/g, and 1.56 g/g respectively. Pasting properties of Lima bean flour exhibited peak, breakdown, final, and setback viscosity in 1172 cP, 83 cP, 2377 cP, 1288 cP respectively, and temperature pasting was high in 870C. The study may provide useful information to consumers and food manufacturers that Lima bean flour is significant potential used to enhance the nutritional value of cereal-based foods.


Floribunda ◽  
2021 ◽  
Vol 6 (7) ◽  
Author(s):  
Emilia Juliyanti Bria ◽  
Polikarpia Wilhelmina Bani

Lima bean (Phaseolus lunatus L.) is one of the important legume vegetables in Indonesia. However, genetic information for these plants is still minimalized, especially on Timor Island. This study aims to analyze the genetic diversity of lima beans from Timor Island based on ISSR molecular markers. A total of 4 accessions of lima beans were analyzed using 3 ISSR primers to produce 15 polymorphic bands with an average of 68.18% polymorphism. The cluster analysis results use the Unweighted Pair Group Methods using Arithmetic averages (UPGMA) method to create a dendrogram that produces two main clusters. There were plain seed and pattern seed group with a similarity coefficient of 0.52. These results indicated that the genetic variation of the lima beans from Timor Island was high. Moreover, the result provides a sutable method for evaluating the genetic diversity of lima beans using the ISSR marker and important information of future lima bean breeding programs.


2021 ◽  
Vol 8 ◽  
Author(s):  
Richard D. Semba ◽  
Nihaal Rahman ◽  
Shutong Du ◽  
Rebecca Ramsing ◽  
Valerie Sullivan ◽  
...  

Background: Legumes are an inexpensive, healthy source of protein, fiber, and micronutrients, have low greenhouse gas and water footprints, and enrich soil through nitrogen fixation. Although higher legume consumption is recommended under US dietary guidelines, legumes currently comprise only a minor part of the US diet.Objectives: To characterize the types of legumes most commonly purchased by US consumers and patterns of legume purchases by state and region, seasonality of legume purchases, and to characterize adults that have a higher intake of legumes.Methods: We examined grocery market, chain supermarket, big box and club stores, Walmart, military commissary, and dollar store retail scanner data from Nielsen collected 2017–2019 and dietary intake from the National Health and Nutrition Examination Survey (NHANES), 2017–2018.Results: The five leading types of legumes purchased in the US were pinto bean, black bean, kidney bean, lima bean, and chickpea. The mean annual per capita expenditure on legumes based on grocery purchases was $4.76 during 2017–2019. The annual per capita expenditure on legumes varied greatly by state with highest expenditure in Louisiana, South Carolina, Florida, Alabama, Mississippi, and lowest expenditure in Washington, New York, and Wisconsin. There were large regional differences in the most commonly purchased legumes. Of 4,741 adults who participated in the 24-h dietary recall in NHANES, 2017–2018, 20.5% reported eating any legumes in the previous 24 h. Those who consumed legumes were more likely to be Hispanic, with a higher education level, with a larger household size (all P &lt; 0.05), but were not different by age, gender, or income level compared to those who did not consume legumes.Conclusion: Although legumes are inexpensive, healthy, and a sustainable source of protein, per capita legume intake remains low in the US and below US dietary guidelines. Further insight is needed into barriers to legume consumption in the US.


Author(s):  
Carolline de Jesús Pires ◽  
Marcones Ferreira Costa ◽  
Maria Imaculada Zucchi ◽  
Regina Lucia Ferreira-Gomes ◽  
José Baldin Pinheiro ◽  
...  

2021 ◽  
Vol 47 (8-9) ◽  
pp. 810-818
Author(s):  
Jetske G. de Boer ◽  
Aron P. S. Kuiper ◽  
Joeri Groot ◽  
Joop J. A. van Loon

AbstractAdults of many mosquito species feed on plants to obtain metabolic energy and to enhance reproduction. Mosquitoes primarily rely on olfaction to locate plants and are known to respond to a range of plant volatiles. We studied the olfactory response of the yellow fever mosquito Aedes aegypti to methyl jasmonate (MeJA) and cis-jasmone (CiJA), volatile compounds originating from the octadecanoid signaling pathway that plays a key role in plant defense against herbivores. Specifically, we investigated how Ae. aegypti of different ages responded to elevated levels of CiJA in two attractive odor contexts, either derived from Lima bean plants or human skin. Aedes aegypti females landed significantly less often on a surface with CiJA and MeJA compared to the solvent control, CiJA exerting a stronger reduction in landing than MeJA. Odor context (plant or human) had no significant main effect on the olfactory responses of Ae. aegypti females to CiJA. Mosquito age significantly affected the olfactory response, older females (7–9 d) responding more strongly to elevated levels of CiJA than young females (1–3 d) in either odor context. Our results show that avoidance of CiJA by Ae. aegypti is independent of odor background, suggesting that jasmonates are inherently aversive cues to these mosquitoes. We propose that avoidance of plants with elevated levels of jasmonates is adaptive to mosquitoes to reduce the risk of encountering predators that is higher on these plants, i.e. by avoiding ‘enemy-dense-space’.


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