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Different Soybean Varieties are Effected by Irrigation in Mardan Khyber Pakhtunkhwa Pakistan

Different Soybean Varieties are Effected by Irrigation in Mardan Khyber Pakhtunkhwa Pakistan

Shakir Ullah1*, Lubna Shakir2, Ghani Subhan3 and Mohammad Sohail4

1State Key Laboratory of Systematic and Evolutionary Botany (LSEB), Institute of Botany Chines Academy of Science China; 2Department of Botany, Govt. Degree College Timergara, Dir Lower, Khyber Pakhtunkhwa, Pakistan; 3College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; 4Abdul Wali Khan University, Mardan, Khyber Pakhtunkhwa, Pakistan.

 
*Correspondence | Shakir Ullah, State Key Laboratory of Systematic and Evolutionary Botany (LSEB), Institute of Botany Chines Academy of Science China; Email: shakirawkum321@gmail.com

ABSTRACT

Water stress severely affected soybean growth, development, and production in semi-arid regions. Developing new soybean cultivars with high efficiency and ability to drought resistance is very important. The field experiment was conducted to investigate the impact of irrigation regimes at different growth stages (Full irrigation, irrigation regimes at vegetable growth, flowering, and pod full stages) on yield and yield components of two soybean varieties (1448 and Egyptian) under semi-arid regions. The results indicated that irrigation regime applications had a significant effect on most of the traits except the weight of the plant. The pod full stage is more affected by the drought than other stages on most of the parameters tested. Irrigation regimes at pod full stage reduced the number of pods plant-1 by 38.4% and 26.0%, the weight of pods plant-1 by 23.7% and 53.6%, the number of seeds plant-1 by 29.0% and 28.8%, seeds weight plant-1 by 17.2% and 38.8%, 100-seeds weight by 35.3% and 38.1% for 1488, respectively. Irrigation regimes at the flowering stage decreased the weight of the plant by 57.5% and seed yield by 24.4% and 31.2% for 1448 respectively as compared with the same variety at full irrigation. Varieties had significant differences in plant weight, number of pods per plant, number of seeds per plant, harvest index, and seed yield. In this study, the soybean cultivars exhibited high sensitivity to water stress. Based on the study, the 448 cultivar is recommended due to its higher seed yield and yield components under the given conditions.

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Pakistan Journal of Weed Science Research

September

Vol. 24, Iss. 3, Pages 187-201

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