Seed Dormancy Dynamics and Germination Characteristics of Malva parviflora L

Rakesh Dawar, Vishwanath Rohidas Yalamalle (), Ram Swaroop Bana (), Ramanjit Kaur, Yashbir Singh Shivay, Anil K. Choudhary, Teekam Singh, Samrath Lal Meena, Dunna Vijay, H. P. Vijayakumar, Vipin Kumar and Achchhelal Yadav
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Rakesh Dawar: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Vishwanath Rohidas Yalamalle: Division of Seed Science and Technology, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Ram Swaroop Bana: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Ramanjit Kaur: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Yashbir Singh Shivay: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Anil K. Choudhary: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Teekam Singh: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Samrath Lal Meena: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Dunna Vijay: Division of Seed Science and Technology, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
H. P. Vijayakumar: Division of Seed Science and Technology, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Vipin Kumar: Division of Agronomy, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India
Achchhelal Yadav: Division of Agricultural Physics, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India

Agriculture, 2024, vol. 14, issue 2, 1-11

Abstract: Little mallow ( Malva parviflora L.) is a notorious weed that causes substantial yield losses in winter crops. For effective weed management and seed testing, a deeper understanding of seed dormancy, germination behavior, and dormancy-breaking methods is necessary. Experiments were conducted to determine the effect of seed treatments, i.e., mechanical scarification, acid scarification, hot water treatment, and different germinating temperatures, i.e., 15 °C, 20 °C, or alternating 15–20 °C (16/8 h), on the seed dormancy in M.parviflora . A large proportion of M. parviflora seeds were physically dormant, with just 10.90% germination. Seed treatments had a significant influence on seed germination, seedling dry weight, vigor index, and water absorption ( p ≤ 0.01). Among the various treatments, mechanical scarification enhanced germination by 32%, the vigor index by 487% and water uptake by 34%, and decreased percent hard seeds by 34%. Among the various germination temperatures, alternating 15–20 °C temperatures (16/8 h) gave the most significant result for germination and the lowest percent hard seeds. The findings of this study will serve as a valuable reference for seed testing and the development of suitable weed control strategies for M. parviflora .

Keywords: dormancy; germination; malva parviflora; scarification; acid treatment; weed biology (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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