Research Article

Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province

Volume: 7 Number: 1 June 30, 2024
EN

Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province

Abstract

One of the most important weed species that reduces productivity and quality in alfalfa (Medicago sativa L.) crops is Sorghum halepense (L.) Pers. (Johnsongrass). Therefore, it is of great importance to control this weed in alfalfa cultivation areas. In this context, this study was carried out in 2022-2023 to determine the frequency and density of S. halepense, which is a problem in alfalfa cultivation areas in Iğdır province, and the effects of some herbicides with different active substances on S. halepense and alfalfa yield. Within the scope of the study, surveys were carried out in 50 alfalfa cultivation areas in Iğdır province and its districts. In addition, herbicides with the active substances Quizalofop-p-ethy (Q), Haloxyfop (R) methyl ester (H) and Propaquizafop (P) and the mowing process with the Q+H mixture were compared with each other in order to determine their effects on S. halepense and alfalfa yield. As a result of the study, at the end of both years, theoccurrence frequency of S. halepense in alfalfa cultivation areas in Iğdır province was determined as 92.25% and its density was 48.15 plants/m2. In the study, the effectiveness rates of herbicides on S. halepense varied between 95% and 100% in the last assessment. The effect of the herbicides used in the study on S. halepense dry weight varied between 78.90% and 91.56%. As a result of the study, herbicides with different active ingredients and their mixtures resulted in a statistical difference of 1% (p<0.00) on the, plant height, fresh weight and dry weight of S. halepense in alfalfa. At the end of the two year period, the highest plant height (80.98 cm), fresh weight (3483.41 kg/da) and dry weight (896.49 kg/da) were obtained in Q+H treatment. However, this herbicide mixture was in the same statistical group with the other herbicides used in terms of alfalfa yield and yield components. As a result, the herbicides used were effective on S. halepense and caused an increase in alfalfa yield.

Keywords

References

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Details

Primary Language

English

Subjects

Phytopathology, Herbology

Journal Section

Research Article

Early Pub Date

June 30, 2024

Publication Date

June 30, 2024

Submission Date

December 2, 2023

Acceptance Date

June 27, 2024

Published in Issue

Year 2024 Volume: 7 Number: 1

APA
Oklu, H., Gürbüz, R., & Alptekin, H. (2024). Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province. Journal of Agriculture, 7(1), 45-62. https://doi.org/10.46876/ja.1399331
AMA
1.Oklu H, Gürbüz R, Alptekin H. Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province. JOAG. 2024;7(1):45-62. doi:10.46876/ja.1399331
Chicago
Oklu, Halis, Ramazan Gürbüz, and Harun Alptekin. 2024. “Management of Johnsongrass (Sorghum Halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province”. Journal of Agriculture 7 (1): 45-62. https://doi.org/10.46876/ja.1399331.
EndNote
Oklu H, Gürbüz R, Alptekin H (June 1, 2024) Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province. Journal of Agriculture 7 1 45–62.
IEEE
[1]H. Oklu, R. Gürbüz, and H. Alptekin, “Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province”, JOAG, vol. 7, no. 1, pp. 45–62, June 2024, doi: 10.46876/ja.1399331.
ISNAD
Oklu, Halis - Gürbüz, Ramazan - Alptekin, Harun. “Management of Johnsongrass (Sorghum Halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province”. Journal of Agriculture 7/1 (June 1, 2024): 45-62. https://doi.org/10.46876/ja.1399331.
JAMA
1.Oklu H, Gürbüz R, Alptekin H. Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province. JOAG. 2024;7:45–62.
MLA
Oklu, Halis, et al. “Management of Johnsongrass (Sorghum Halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province”. Journal of Agriculture, vol. 7, no. 1, June 2024, pp. 45-62, doi:10.46876/ja.1399331.
Vancouver
1.Halis Oklu, Ramazan Gürbüz, Harun Alptekin. Management of Johnsongrass (Sorghum halepense (L.) Pers.) in Alfalfa Cultivation Areas of Iğdır Province. JOAG. 2024 Jun. 1;7(1):45-62. doi:10.46876/ja.1399331