Responses of Soybean Genotypes to Different Levels of Irrigation

M. F. Rabbani,M. Ashrafuzzaman,A. M. Hoque,M. Abdul Karim 韓國作物學會 2004 Korean journal of crop science Vol.49 No.2

To find out the responses of soybean genotypes in terms of different levels of irrigation with the aim of evaluating the growth, yield, and its optimum levels of irrigation, an experiment was conducted at the Field of Crop Botany Department, Bangladesh Agricultural University, Mymensingh during the period from November 2000 to February 2001. Five levels of irrigation viz. ~textrmI0 : no irrigation, ~textrmI1 : one time irrigation at 20 days after sowing (DAS), ~textrmI2 :two times irrigation at 20 and 40 DAS, ~textrmI3 : three times irrigation at 20, 40, and 60 DAS, and ~textrmI4 : four times irrigation at 20, 40, 60, and 80 DAS and three genotypes of soybean viz. BS-3, BS-16, and BS-60 were used in this experiment. The crop was grown in a split plot design having three replications. The plant height, leaf area index, crop growth rate, shoot dry weight, branches ~textrmplantI-1 , filled pods ~textrmplantI-1 , seeds ~textrmplantI-1 , seed yield, and harvest index were influenced significantly by irrigation and these were found to be highest at three times irrigation except branches ~textrmplantI-1 . The chlorophyll content increased but empty pods ~textrmplantI-1 decreased with increase in irrigation levels. Genotypes of soybean varied significantly in terms of growth attributes at various growth stages except shoot dry weight at 90 DAS. The genotype BS-3 performed better compared to other genotypes and gave maximum seed yield.

Responses of Soybean Genotypes to Different Levels of Irrigation

M. F. Rabbani,M. Ashrafuzzaman,A. M. Hoque,M. Abdul Karim 한국작물학회 2004 Korean journal of crop science Vol.49 No.3

To find out the responses of soybean genotypes in terms of different levels of irrigation with the aim of evaluating the growth, yield, and its optimum levels of irrigation, an experiment was conducted at the Field of Crop Botany Department, Bangladesh Agricultural University, Mymensingh during the period from November 2000 to February 2001. Five levels of irrigation viz. I0: no irrigation, I1: one time irrigation at 20 days after sowing (DAS), I2: two times irrigation at 20 and 40 DAS, I3: three times irrigation at 20, 40, and 60 DAS, and I4: four times irrigation at 20, 40, 60, and 80 DAS and three genotypes of soybean viz. BS-3, BS-16, and BS-60 were used in this experiment. The crop was grown in a split plot design having three replications. The plant height, leaf area index, crop growth rate, shoot dry weight, branches plant-1, filled pods plant-1, seeds plant-1, seed yield, and harvest index were influenced significantly by irrigation and these were found to be highest at three times irrigation except branches plant-1. The chlorophyll content increased but empty pods plant-1 decreased with increase in irrigation levels. Genotypes of soybean varied significantly in terms of growth attributes at various growth stages except shoot dry weight at 90 DAS. The genotype BS-3 performed better compared to other genotypes and gave maximum seed yield.

Responses of Soybean Genotypes to Different Levels of Irrigation

Rabbani, M.F.,Ashrafuzzaman, M.,Hoque, A.M.,Karim, M.Abdul The Korean Society of Crop Science 2004 Korean journal of crop science Vol.49 No.2

To find out the responses of soybean genotypes in terms of different levels of irrigation with the aim of evaluating the growth, yield, and its optimum levels of irrigation, an experiment was conducted at the Field of Crop Botany Department, Bangladesh Agricultural University, Mymensingh during the period from November 2000 to February 2001. Five levels of irrigation viz. $\textrm{I}_0$: no irrigation, $\textrm{I}_1$: one time irrigation at 20 days after sowing (DAS), $\textrm{I}_2$:two times irrigation at 20 and 40 DAS, $\textrm{I}_3$: three times irrigation at 20, 40, and 60 DAS, and $\textrm{I}_4$: four times irrigation at 20, 40, 60, and 80 DAS and three genotypes of soybean viz. BS-3, BS-16, and BS-60 were used in this experiment. The crop was grown in a split plot design having three replications. The plant height, leaf area index, crop growth rate, shoot dry weight, branches $\textrm{plantI}_{-1}$, filled pods $\textrm{plantI}_{-1}$, seeds $\textrm{plantI}_{-1}$, seed yield, and harvest index were influenced significantly by irrigation and these were found to be highest at three times irrigation except branches $\textrm{plantI}_{-1}$. The chlorophyll content increased but empty pods $\textrm{plantI}_{-1}$ decreased with increase in irrigation levels. Genotypes of soybean varied significantly in terms of growth attributes at various growth stages except shoot dry weight at 90 DAS. The genotype BS-3 performed better compared to other genotypes and gave maximum seed yield.

Alleviation of Drought Stress in Maize by Exogenous Application of Gibberellic Acid and Cytokinin

Nurunnaher Akter,M. Rafiqul Islam,M. Abdul Karim,Tofazzal Hossain 한국작물학회 2014 Journal of crop science and biotechnology Vol.17 No.1

The study was conducted to investigate the ameliorative roles of GA3 and CK on adverse effects of drought in maize. Droughtstressed maize plants were applied with GA3 and CK at 50, 100, and 150 mg L-l as foliar spray at the vegetative and the reproductivestages. Plant height, internode length, stem diameter, leaf chlorophyll index, and dry matter production were significantly affected bydrought. In most cases, GA3 and CK significantly improved the depressed plant traits, but in varying degrees depending on the growthstage encountering hormones, and their types and concentrations. Both GA3 and CK were found to be very effective in alleviatingdrought-imposed adverse effects on maize at the vegetative phase. Such alleviating effects varied depending on the concentration ofthe hormones. Application of CK at 150 mg L-l was excellent resulting in a 106% yield advantage compared to drought stress and79.9% increase relative to well-watered controls. Conversely, GA3 at 50 mg L-l performed well showing 78.8% increase in grain yield. However, both GA3 and CK had very little effect on improving the depressed growth and yield attributes in maize at the reproductivephase. The relative yield advantages for the hormones were mainly attributed to improving the cob and seed-bearing capacity ofdrought-stressed maize plants.

Alleviation of Drought Stress in Maize by Exogenous Application of Gibberellic Acid and Cytokinin

Akter, Nurunnaher,Islam, M. Rafiqul,Karim, M. Abdul,Hossain, Tofazzal 한국작물학회 2014 Journal of crop science and biotechnology Vol.17 No.1

The study was conducted to investigate the ameliorative roles of $GA_3$ and CK on adverse effects of drought in maize. Drought stressed maize plants were applied with $GA_3$ and CK at 50, 100, and $150mg\;L^{-l}$ as foliar spray at the vegetative and the reproductive stages. Plant height, internode length, stem diameter, leaf chlorophyll index, and dry matter production were significantly affected by drought. In most cases, $GA_3$ and CK significantly improved the depressed plant traits, but in varying degrees depending on the growth stage encountering hormones, and their types and concentrations. Both $GA_3$ and CK were found to be very effective in alleviating drought-imposed adverse effects on maize at the vegetative phase. Such alleviating effects varied depending on the concentration of the hormones. Application of CK at $150mg\;L^{-l}$ was excellent resulting in a 106% yield advantage compared to drought stress and 79.9% increase relative to well-watered controls. Conversely, $GA_3$ at $50mg\;L^{-l}$ performed well showing 78.8% increase in grain yield. However, both $GA_3$ and CK had very little effect on improving the depressed growth and yield attributes in maize at the reproductive phase. The relative yield advantages for the hormones were mainly attributed to improving the cob and seed-bearing capacity of drought-stressed maize plants.

The Role of Alginate Hydrogels as a Potential Treatment Modality for Spinal Cord Injury: A Comprehensive Review of the Literature

Ryan Jarrah,Sally El Sammak,Chiduziem Onyedimma,Abdul Karim Ghaith,F.M. Moinuddin,Archis R. Bhandarkar,Ahad Siddiqui,Nicolas Madigan,Mohamad Bydon 대한척추신경외과학회 2022 Neurospine Vol.19 No.2

Objective: To comprehensively characterize the utilization of alginate hydrogels as an alternative treatment modality for spinal cord injury (SCI). Methods: An extensive review of the published literature on studies using alginate hydrogels to treat SCI was performed. The review of the literature was performed using electronic databases such as PubMed, EMBASE, and OVID MEDLINE electronic databases. The keywords used were “alginate,” “spinal cord injury,” “biomaterial,” and “hydrogel.” Results: In the literature, we identified a total of 555 rat models that were treated with alginate scaffolds for regenerative biomarkers. Alginate hydrogels were found to be efficient and promising substrates for tissue engineering, drug delivery, neural regeneration, and cellbased therapies for SCI repair. With its ability to act as a pro-regenerative and antidegenerative agent, the alginate hydrogel has the potential to improve clinical outcomes. Conclusion: The emerging developments of alginate hydrogels as treatment modalities may support current and future tissue regenerative strategies for SCI.

In vivo the antioxidative extract of Averrhoa carambola Linn. leaves induced apoptosis in Ehrilch ascites carcinoma by modulating p53 expression

Ayesha Siddika,Tasnim Zahan,Lipy Khatun,Md. Rowshanul Habib,Md. Abdul Aziz,A. R. M. Tareq,Md. Habibur Rahman,Md. Rezaul Karim 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.9

This study was designed to evaluate the antioxidantactivity of methanol extract of Averrhoa carambollaLinn. leaves (MELA) using DPPH˙ and ABTS˙+ free radicalscavenging assays whereas its antineoplastic effectagainst Ehrlich ascites carcinoma (EAC) was assed usingviable cell count, life span, body weight gain and hematologicalparameters of experimental mice. Results showedthat rich phenolic and flavonoid content of MELA hadmoderate dose dependent free radical scavenging activity(IC50: 62.0 lg/mL for DPPH˙ and 6.0 lg/mL for ABTS˙+). In vivo antineoplastic assay, MELA significantly(P\0.05) decreased viable cells and body weight gain,increased the survival time and restored altered hematologicalprofiles of cancer cell bearing mice. Fluorescencemicroscopic view of EAC cells derived from MELA-treatedgroup showed apoptotic characteristics and this observationwas also supported by overexpression of proapoptoticgenes coding p53 and Bax proteins in treatedcancer cells. The anti-apoptotic genes coding Bcl-2 proteinwas also absent in treated EAC cells as compared with thecontrol. Moreover, phytochemical profiles of MELA asidentified by GC/MS analysis are also consistent with itsactivities.