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RISS 인기검색어
- 검색키워드
- 저자 : Kahrizi, Danial (검색결과 5 건)
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Evaluation of Sorghum (Sorghum bicolor (L.) Moench) Ability to Control Weeds in Corn (Zea mays L.)
G. R. MOHAMMADI,D. KAHRIZI,N. RASHIDI 韓國雜草學會 2009 Weed&Turfgrass Science Vol.29 No.2
In order to evaluate the weed control ability of sorghum in corn, a field study was carried out in 2006 at the Agricultural Research Farm of Razi University, Kermanshah, Iran. Sorghum plant materials were applied in three ways : (1) incorporated into the soil (at 2,000, 4,000 and 6,000 kg ha-1) mulched on the soil surface (at 2,000 and 4,000 kg ha-1) or sprayed as sorgaab (water extract of mature sorghum plants) one, two, three or four times during the growing season. Two controls(full-season weedy and weed-free condition) were also included. Full season weed-free condition increased height, the number of ears per plant, the number of seeds per ear, 100 seed weight and yield of corn by 67.9, 35.8, 66.1, 23.3 and 47.8%, respectively, as compared with weedy condition for all of the growing season. Among the sorghum treatments, the highest corn plant traits and the lowest weed dry weight and density were occurred when sorghum herbage was incorporated into the soil at 6,000 kg ha-1 or used as a mulch at 4,000 kg-1. However, corn yield and weed dry weight and density were not significantly influenced by one sorgaab spray, when compared with full season weedy condition. In general, this study revealed that sorghum plant materials applied in different forms can suppress weeds in corn field.
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Evaluation of Genetic Diversity of Aegilops tauschii Accessions Using Morphological Characters
Sajjad Mansouri,Danial Kahrizi,Ali Ashraf Mehrabi 한국작물학회 2013 Journal of crop science and biotechnology Vol.16 No.3
A collection of sixty-three accessions of Ae. tauschii belonging to different eco-geographical regions were used to evaluate its genetic diversity by 15 morphological characters. The data recorded were analyzed on all accessions using multivariate analyses. Principal component analysis (PCA) indicated that first six principal components with eigenvalues more than 1 explained 77.2% of the variability amongst accessions. Through cluster analysis according to Euclidian distance and UPGMA method, accessions divided into three groups. Knowledge of genetic diversity in Aegilops species provides different levels of information which is important in the management of germplasm resources.
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Evaluation of Genetic Diversity of Aegilops tauschii Accessions Using Morphological Characters
Mansouri, Sajjad,Mehrabi, Ali Ashraf,Kahrizi, Danial 한국작물학회 2013 Journal of crop science and biotechnology Vol.16 No.3
A collection of sixty-three accessions of Ae. tauschii belonging to different eco-geographical regions were used to evaluate its genetic diversity by 15 morphological characters. The data recorded were analyzed on all accessions using multivariate analyses. Principal component analysis (PCA) indicated that first six principal components with eigenvalues more than 1 explained 77.2% of the variability amongst accessions. Through cluster analysis according to Euclidian distance and UPGMA method, accessions divided into three groups. Knowledge of genetic diversity in Aegilops species provides different levels of information which is important in the management of germplasm resources.
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Fatahnia, Farshid,Nikkhah, Ali,Zamiri, Mohammad Javad,Kahrizi, Danial Asian Australasian Association of Animal Productio 2008 Animal Bioscience Vol.21 No.3
Milk was collected from 20 primiparous Holstein cows that were distributed into four groups and arranged in a completely randomized design with a 35-day period to determine the effect of feeding fish oil, soybean oil, or their combination on milk production and composition. Experimental diets consisted of: 1) control diet; 2) a diet with 3% (DM basis) added fat from menhaden fish oil; 3) a diet with 3% added fat from soybean oil; and 4) a diet with 1.5% added fat from fish oil and 1.5% fat from soybean oil. The dry matter intake (18.5, 18.9, 18.3, and 18.6 kg/d, for control, fish oil, soybean oil and combination diets, respectively) and milk production (30.31, 32.15, 31.19, and 31.59 kg/d, respectively) were higher for cows that consumed the 3% fish oil-containing diet. Milk from cows fed control, fish oil, soybean oil and fish oil with soybean oil diets contained 3.45, 2.72, 2.96, and 2.87% fat, respectively. Concentration of total omega-3 fatty acids (0.87, 1.28, 0.96, and 1.18 g/100 g of fatty acids, respectively) in milk fat were higher for cows that consumed either fish oil-containing diet, especially the 3% fish oil diet. The n-6:n-3 ratio (4.57, 2.62, 6.17, and 4.08, respectively) in milk fat was lower for the fish oil diet. These results showed that fish oil modified fatty acid profile of milk fat and increased the proportion of beneficial fatty acids for human health.
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IL-1B (C+3954T) Gene Polymorphism and Susceptibility to Gastric Cancer in the Iranian Population
Ismaili, Ahmad,Yari, Kheirollah,Moradi, Mohammad-Taher,Sohrabi, Maryam,Kahrizi, Danial,Kazemi, Elham,Souri, Zahra Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.2
Background: Gastric cancer as one of the most important diseases affecting health in all worldwide. Current studies have confirmed associations of cytokine gene polymorphisms with the risk of gastric cancer development. The current research aimed to assess the association of IL-1B+3954 genotypes with the risk of gastric cancer in the Iranian population. Materials and Methods: This case-control study covered 49 gastric cancer patients compared to 53 cancer free individuals as a control group. Genomic-DNA extraction was carried out from bioptic samples of patients and peripheral blood of healthy volunteers. Polymorphism of IL-1B +3954 genotypes were analysed with a polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Results: The frequencies of IL-1B +3954 A1A1, A1A2 and A2A2 genotypes in healthy individuals were 26.4, 66 and 7.6 %, respectively. However, in gastric cancer patients, A1A1, A1A2 and A2A2 with 4.1, 51 and 44.9% were observed (p<0.05). Conclusions: The findings of our results show a positive association between the IL-1B+3954 genotype distribution and the risk of gastric cancer disease in the Iranian population.
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