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AGRICULTURE, AGROCHEMICAL, FEED PRODUCTION, AGROECOLOGY

PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS

Margarita Abylkairova 1 , Vladimir Tsygankov 2 , Artem Tsygankov 2 , Minura Yesimbekova 3

1 S. Seifullin Kazakh Agrotechnical Research University, Republic of Kazakhstan, 010011, Akmola region, Astana; 2 Kazakh Research Institute of Horse Breeding and Fodder Production, Aktobe, Kazakhstan; 3 Kazakh Research Institute of Agriculture and Plant Growing, Almaty, Kazakhstan

doi.org/10.37884/1-2026/07 pp. 66-73 Admitted 08.01.2026 Published 27.02.2026

Abstract

Proso millet (Panicum miliaceum L.) is a drought-resistant C4 crop that demonstrates exceptional adaptability to arid and semi-arid climates. This article investigated the relationship between photosynthetic activity and yield performance in a global collection of 152 proso millet accessions from 21 countries, cultivated under field conditions for two consecutive years (2024–2025). The effective quantum yield of Photosystem II (Y(II)) was measured using a MINI-PAM-II fluorometer at three developmental stages (tillering, panicle emergence, and maturity) to evaluate how it affects yield. The results showed that in 2024, higher Y(II) values during panicle emergence and maturity correlated significantly with grain yield, while in 2025, yield was instead associated with photosynthetic activity during tillering. These year-to-year alterations possibly reflect varying meteorological conditions that impacted which developmental phase became critical for biomass accumulation. The analysis confirmed that while photosynthetic activity consistently influences yield, the phase-specific impact depends on environmental stress dynamics. This research highlights the value of Y(II) as a physiological trait for assessing stress adaptation and yield potential in proso millet and supports its role as a promising crop for climate-resilient agriculture in water-limited regions.

proso millet Panicum miliaceum photosynthesis Y(II) MINI-PAM yield drought tolerance

01 Introduction

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02 References

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Citation Links

[1]2026. PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS. Izdenister natigeler. 28, 1(109) (Feb. 2026), 66–73. DOI:https://doi.org/10.37884/1-2026/07.
(1)PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS. Izdenister natigeler 2026, 28 (1(109), 66-73. https://doi.org/10.37884/1-2026/07.
PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS. (2026). Izdenister Natigeler, 28(1(109), 66-73. https://doi.org/10.37884/1-2026/07
PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS. Izdenister natigeler, [S. l.], v. 28, n. 1(109), p. 66–73, 2026. DOI: 10.37884/1-2026/07. Disponível em: https://natsus.kaznaru.edu.kz/index.php/research/article/view/1188. Acesso em: 15 sep. 2026.
“PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS”. 2026. Izdenister Natigeler 28 (1(109): 66-73. https://doi.org/10.37884/1-2026/07.
“PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS” (2026) Izdenister natigeler, 28(1(109), pp. 66–73. doi:10.37884/1-2026/07.
[1]“PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS”, Izdenister natigeler, vol. 28, no. 1(109), pp. 66–73, Feb. 2026, doi: 10.37884/1-2026/07.
“PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS”. Izdenister Natigeler, vol. 28, no. 1(109), Feb. 2026, pp. 66-73, https://doi.org/10.37884/1-2026/07.
“PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS”. Izdenister natigeler 28, no. 1(109) (February 27, 2026): 66–73. Accessed September 15, 2026. https://natsus.kaznaru.edu.kz/index.php/research/article/view/1188.
1.PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS. Izdenister natigeler [Internet]. 2026 Feb. 27 [cited 2026 Sep. 15];28(1(109):66-73. Available from: https://natsus.kaznaru.edu.kz/index.php/research/article/view/1188
1.PHOTOSYNTHETIC ACTIVITY IMPACT ON PROSO MILLET (PANICUM MILIACEUM L.) YIELD BASED ON TWO-YEAR FIELD MEASUREMENTS. Izdenister natigeler. 2026;28(1(109):66-73. doi:10.37884/1-2026/07