Salt and water stress of ACCase herbicides resistant and susceptible populations of rigid ryegrass (Lolium rigidum)
Journal Title: International journal of Advanced Biological and Biomedical Research - Year 2016, Vol 4, Issue 1
Abstract
Laboratory studies were conducted to compare the relative fitness of clodinafop-propargyl herbicide resistant Lolium rigidum accessions with their clodinafop-propargyl susceptible counterparts in 2014. Factors evaluated were Lolium populations at constant salinity stress (0, 5, 10, 15, 20 and 25 dS cm2) and water stress (0, - 3, -6, -9, -12 and -15 bar). The maximum germination in salinity stress was among three biotypes regarding susceptible biotype with 93.62 percent. The concentration of salinity which 50% seeds germination reached S and Semi-R biotypes to the is more than Rbiotype. In salinity stress the highest rate of germination in the S biotype of 8.66 (number of germinated seeds in days) at a concentration of 17 dS RG reaches 50% in S and Semi-R biotypes and in R biotypes in salinity 14 dS cm2. The results of the application of various potential water showed that the more negative water potential, germination all biotypes (R, Semi-R and S) dropped and in potential -15 bar PG in R and Semi-R biotypes to less than 15 percent. Coefficients from the regression equation sigmoid three parameter to data PG resistant and susceptible biotypes showed that Semi-R biotype Compared to R and S were more tolerant of water stress and in water potential 7.5, it PG Reduced to 50 percent. In examining the relative fitness of ryegrass biotypes water and salinity stress showed that Semi-R and R biotypes the cost of considerable fitness, But the most results cost fitness no significant.
Authors and Affiliations
Hossein Sabet Zangeneh| Ph.D. Student of weed science, Department of Agronomy and Plant breeding, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran, Hamid Reza Mohammaddust Chamanabad| Associate Prof. Department of Agronomy and Plant breeding, Faculty of Agriculture, university of Mohaghegh Ardabili, Ardabil, Iran, Eskander Zand| Professor. Weed Research Institute of Plant Protection,Tehran, Iran, Ali Asgheri| Associate Prof. Department of Agronomy and Plant breeding, Faculty of Agriculture, university of Mohaghegh Ardabili, Ardabil, Iran, Khalil Alamisaeid| Assistant Prof. Department of Agronomy and Plant breeding, Faculty of Agriculture, university of Ramin, Ahvaz, Iran
Keywords
Related Articles
- EP ID EP13527
- DOI 10.18869/IJABBR.2016.40
- Views 347
- Downloads 13
A Study of The Citizensà Attitude Towards Water Pollution Prevention and Soil Resources Identification
Objective: The world is currently facing with various problems including water and soil pollution as well as a major threat to the health of the citizens due to the advancement at human civilization, technology develop...
Frequency of ABO And Rh (D) Blood Groups Among Blood Donors In Lahore, Pakistan
The clinical significance of ABO and Rhesus blood group systems has been well documented. The objective of this study was to determine the frequency of ABO and Rhesus blood groups in blood donors in Lahore, Pakistan, w...
Efficacy of Rhinoceros Beetle (Xylotrupes Gideon) Nano Chitosan and Calcium Mouthwash in Reducing Quantity Oral Cavity Bacteria among Elementary School Age Children
Objective: The level of dental and oral hygiene on elementary school age children is very low, so it can be increasing the incidence of dental and oral diseases which caused by various microorganisms. Mouthwash can kee...
Measurement of PCB Compounds in the Persian Gulf (Southern Pars Area)
Objective: The objective of this research is to examine PCB compounds in the Persian Gulf in the Southern Pars area. Methods: In the research, 3 stations were sampled: Asalouyeh Port, Kangan Site, Mehr Petro Kima Petro...
Investigation of Farmers' Attitude Towards Agricultural Services of Private Sector, in Islam Abad Gharb County in Iran
Objective: The agricultural sector is one of the most important and the most basic of productive and economic sectors in each country, and support of this sector is a very important issue in many countries around the w...