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International Journal of Modern Agriculture ISSN 2305-7246

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O.K.Agwa*1, B.P. Akiene1, and E. A.Obichi1


1Dept. of Microbiology, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Nigeria

Regional Center for Bioresource and Biotechnology, South-South zone centre for Excellence,

National Biotechnology Development Agency (NABDA), University of Port Harcourt, P.M.B.

5323, Port Harcourt, Nigeria.

*Corresponding author (e-mail:


The inhibitory effects of the bark extract of Myrianthus arboreus was studied with chloroform, ethanol, methanol, acetone, aqueous hot and cold extracts on Staphylococcus aureus, Escherichia coli, Proteus sp., Klebsiella sp., Aspergillus sp., and Candida albicans, using disc diffusion and agar diffusion method. All the solvents showed inhibitory effect with varying degree of susceptibility between 10.00-18.00mm except aqueous cold that did not show any activity to any of the test organism. Ethanol, acetone and methanol extract had highest zones of inhibition on most of the isolates between 12.00- 18.00mm, while aqueous hot extracts showed the least zones of inhibition at 1.00mm. The zones of inhibitions of the extract coincided well with some of the standard antibiotics and antifungal drugs used which showed that the plant can be used for phytomedicinal purposes because of their related properties. The bark of Myrianthus arboreus can be developed as a chemotherapeutic agent due to its antimicrobial properties. FULL TEXT PDF




Heritability estimates of physiological and yield components in bread wheat under rainfed condition.

Usman Ijaz*1, Smiullah1


1Ayub Agriculture Research Institute, Faisalabad, Pakistan.

*Corresponding author (e-mail:



To help understand the genetics of drought tolerance, two approved cultivars Kohistan-97 and Sahar-06 were crossed to develop second filial generation. Heritability studies provide valid information about the traits that are transmitted from parents to offspring and also to the successive generations. The highest heritability was observed for plant height (90.83%), number of grains per spike (81.60%) and stomatal frequency (74.15%) associated with high genetic advance (30.94, 19.96 and 16.86 respectively). Moderate to high heritability were recorded for Spike Length (46.03%), flag leaf area (41.39%), 1000-grain weight (58.58%), relative water contents (58.89%) and stomatal Size (56.71%) which associated with high genetic advance (2.57, 3.68, 4.60, 7.58 and 37.10 respectively). While, number of tillers per plant and excised leaf water loss had shown low heritability values. The present finding suggests that most of the yield associated traits have been transmitted with different heritability rates and therefore selection should focus on traits with high heritability rate. FULL TEXT PDF






Rafiq Ahmad1, Muhammad Shahid Iqbal*1, 2, Danish Ibrar1, Talat Mahmood1, M. Saqib Naveed1 and Muhammad Kashif Naeem1


1Department of Plant Breeding and Genetics, PMAS-Arid Agriculture University Rawalpindi, Pakistan

2Cotton Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan

*Corresponding author (e-mail:




Heat stress caused by amplified temperature is an agricultural dilemma in most of the areas of the world. Temporary or persistently higher temperature grounds an array of biochemical, morphological and physiological changes in plant species that affect plant growth and development and direct to a severe decline in economic yield. This unpleasant effect may be mitigated by developing crop plants with enhanced thermo tolerance by means of various genetic approaches. In the same way as tomato is the most important vegetable crop by its use. It is also affected by high temperature like flower dropage, dryness of anthers, less fruit set, fruit dropage and sunscalled are the major problems due to increase in temperature from its optimum level.  Based on an absolute understanding of such mechanisms, potential genetic strategies ought to make to improve tomato crop for heat-stress tolerance that includes traditional and contemporary molecular breeding protocols and genetic engineering approaches. Addition to genetic approaches, crop heat tolerance could be improved by preconditioning of plants under diverse environmental stresses or exogenous use of osmoprotectants such as proline. By creating thermo tolerance is an energetic procedure by which significant amounts of tomato crop resources are converted to structural and functional protection to get away from the damage caused by heat stress, with biochemical and molecular aspects of thermo tolerance in tomatoes are comparatively well understood. The objective of our study was to collect and elaborate the work done by different scientists at different levels and approaches to create heat tolerance in tomato crop. FULL TEXT PDF



Studies on Antimicrobial and Antioxidant Efficiency of glasswort (Salicornia fruticosa) herb juice and methanolic extract in Minced Beef


E. M Elsebaie*1, S. Y. A. Elsanat1, M. S.  Gouda1, and K. M.Elnemr1


1Food Technology Department, Faculty of Agric. Kafrelsheikh Univ.; Egypt

*Corresponding author (e-mail:



In this study, the antioxidant and antibacterial effect of glasswort (Salicornia fruticosa) air part juice and methanolic extracts were investigated in refrigerated minced beef. It is noticed that, glasswort (Salicornia fruticosa) air part juice and methanolic extract used had considerable effectiveness in decreasing aerobic plate count (APC), yeast and moulds count, as well as chemical indices as pH and thiobarbituric acid (TBA). Results indicated that the bacterial counts, yeast and moulds count,  pH and TBA values decrease as the concentration of the glasswort (Salicornia fruticosa) air part juice and methanolic extracts increases since the concentration (1.5% methanolic extract) gives the best effectiveness. The antioxidant and antibacterial activities of the added compounds followed the order 1.5% methanolic extract > 1.5% juice> 1% methanolic extract > 1% juice > 0.5% methanolic extract > 0.5% juice. The treated minced beef samples extend the shelf life of the treated samples more than the control samples by 9 days. In conclusion, glasswort (Salicornia fruticosa) air part juice and methanolic extract can play an important role as antioxidant and antibacterial agents in refrigerated minced beef, but glasswort methanolic extract is the best one. FULL TEXT PDF



Effect of planting dates on seed and oil yield of

canola (Brassica napus L.) cultivars


Arezoo Armin1, Ahmad Reza Golparvar*1


1Department of Agronomy and Plant Breeding, Islamic Azad University, Khorasgan (Isfahan) Branch, Isfahan, Iran.

*Corresponding author (e-mail:



This study was achieved to investigate the effect of sowing date on seed and oil yield as well as yield components in winter canola cultivars in Isfahan province during 2011‐2012 farming season. A split plot design in randomized complete block design with three replications was used. Four planting dates 15 October, 22 October, 29 October and 5 November were considered as main factor levels in the main plot. Also, ten canola cultivars were used as sub factor levels and were arranged randomly in the sub plots. Results showed that the effect of sowing date was significant for all traits. On the other hand, the cultivar effect was significant for all traits. The interaction between planting date and cultivars was significant on traits stem elongation, flowering, end of flowering and maturity. In conclusion, cultivar KR4 in the first planting date (15 October) had the highest seed (4167 Kg/ha) and oil yield (1995 Kg/ha). Whereas, for late planting date (22 October) Karaj3 is the superior cultivar. Overall, KR4 is the best cultivar especially for normal planting date in Isfahan province.  FULL TEXT PDF






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