RELATIONSHIP BETWEEN GRAIN YIELD AND PLANT CHARACTERISTICS IN GRAIN SORGHUM GENOTYPES UNDER DROUGHT STRESS CONDITIONS

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

SARVARI S.M.; BEHESHTI S.A.

Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Journal of Crop Sciences Year:2012 | Volume:14 | Issue:2 (54) Page(s): 183-201

Download Full-Text

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Persian Verion

View:

612

Download:

Cites:

Information Journal Paper

Title

RELATIONSHIP BETWEEN GRAIN YIELD AND PLANT CHARACTERISTICS IN GRAIN SORGHUM GENOTYPES UNDER DROUGHT STRESS CONDITIONS

Author(s)

SARVARI S.M. | BEHESHTI S.A. | Issue Writer Certificate

Keywords

MULTIPLE LINEAR REGRESSIONQ2

PATH ANALYSISQ3

REPRODUCTIVE GROWTH STAGE AND VEGETATIVE GROWTH STAGEQ2

Abstract

This experiment was conducted with 13 grain sorghum genotypes in three different moisture conditions including: non-stress and two water deficit conditions (in vegetative and reproductive stages) using randomized complete block design with three replications. In the non-stress experiment, irrigation applied according to the plant requirement, and for two experiments: (1) drought stress imposed in vegetative stage (since four leaves up to flowering stage) and (2) drought stress imposed in reproductive stage (since flowering up to maturity).Analysis of variance showed significant differences among genotypes in all traits in three conditions. Positive and significant correlations of grain yield with harvest index and grain.panicle-1 were obtained in non-stress conditions. There were positive and significant correlation of grain yield with flag leaf height, plant height, harvest index and biological yield in drought stress in the vegetative stage as well as with harvest index and days to flowering in drought stress in the reproductive stage. Results of MULTIPLE LINEAR REGRESSION analysis (MLRA) revealed that in non-stress conditions grain.panicle-1, flag leaf area, 1000 kernel weight, stem dry weight, plant height, leaf dry weight and days to maturity, in drought stress in vegetative stage conditions, grain.panicle-1 and flag leaf height, and in drought stress in reproductive stage conditions, flag leaf area and panicle height were determined as independent variables that explained variations in grain yield as dependent variable in the models.Plant characteristics in non-stress conditions, vegetative and reproductive drought stress conditions explained grain yield variation with r=0.86, r=0.75 and r=0.56 coefficient of determination, respectively. Also PATH ANALYSIS for grain yield indicted that grain weight.panicle-1, grain.panicle-1 and stem dry weight had the highest direct effect in non-stress conditions, vegetative and reproductive drought stress conditions, respectively. These characteristics had the highest indirect effect through grain.panicle-1, grain weight.panicle-1, stem diameter, flag leaf area and plant height on increasing yield.

Cites

No record.

References

No record.

Cite

APA: Copy

SARVARI, S.M., & BEHESHTI, S.A.. (2012). RELATIONSHIP BETWEEN GRAIN YIELD AND PLANT CHARACTERISTICS IN GRAIN SORGHUM GENOTYPES UNDER DROUGHT STRESS CONDITIONS. IRANIAN JOURNAL OF CROP SCIENCES, 14(2 (54)), 183-201. SID. https://sid.ir/paper/57292/en

Vancouver: Copy

SARVARI S.M., BEHESHTI S.A.. RELATIONSHIP BETWEEN GRAIN YIELD AND PLANT CHARACTERISTICS IN GRAIN SORGHUM GENOTYPES UNDER DROUGHT STRESS CONDITIONS. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2012;14(2 (54)):183-201. Available from: https://sid.ir/paper/57292/en

IEEE: Copy

S.M. SARVARI, and S.A. BEHESHTI, “RELATIONSHIP BETWEEN GRAIN YIELD AND PLANT CHARACTERISTICS IN GRAIN SORGHUM GENOTYPES UNDER DROUGHT STRESS CONDITIONS,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 14, no. 2 (54), pp. 183–201, 2012, [Online]. Available: https://sid.ir/paper/57292/en

Related Journal Papers