Volume 13, Issue 63 (vol. 13, no. 63 2024)
2024, 13(63): 193-214 |
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Rafie S, Yadavi A, Movahhedi Dehnavi M, Balouchi H. Drought stress mitigation and physiological traits modulation in black cumin (Nigella sativa L.) by biofertilizers and zinc foliar application. Plant Process and Function 2024; 13 (63) : 12
URL: http://jispp.iut.ac.ir/article-1-2047-en.html
URL: http://jispp.iut.ac.ir/article-1-2047-en.html
1- Agronomy and Plant Breeding Department, Agricultural Faculty, Yasouj University, Yasouj, Iran
2- Agronomy and Plant Breeding Department, Agricultural Faculty, Yasouj University, Yasouj, Iran ,Yadavi@yu.ac.ir
2- Agronomy and Plant Breeding Department, Agricultural Faculty, Yasouj University, Yasouj, Iran ,
Abstract: (73 Views)
In order to investigate the effect of biofertilizers and zinc foliar application on the physiological characteristics and nutrient concentration of black cumin under different irrigation regimes, a split factorial experiment was conducted in the form of a randomized complete block design with three replications in Zarghan, Fars province, in 2017 and 2018. Irrigation regimes (providing 100, 75 and 50% of the irrigation water requirement) as the main plot and biofertilizer (mycorrhiza, Phosohate Barvar2, mycorrhiza + Phosohate Barvar2, no biofertilizer) and foliar application (zinc foliar application, no foliar application) were considered sub-plots. In both years of the experiment, the reduction of irrigation water decreased the nitrogen concentration of aerial organs (45%), chlorophyll a (70%), soluble protein (37%), relative water content (40%), biological yield (46.6%), and grain yield (56%) of black cumin. However, it increased traits such as proline (1.35 times), soluble sugar (60%), and electrolyte leakage (1.1 times). Biofertilizer application, especially in combination (mycorrhiza+ phosphate Barvar2), and zinc foliar application increased all the traits mentioned except electrolyte leakage. So in 50% irrigation, the combined application of biofertilizer compared to no application of biofertilizer increased the grain yield by 46% and 49.7% in 2018 and 2019, respectively. The results showed that the application of biofertilizers and zinc foliar application moderates the negative effects of drought stress in black cumin by improving nutrient absorption and physiological characteristics.
Article number: 12
Type of Study: Research |
Subject:
Droughts Stress
Received: 2024/03/4 | Accepted: 2024/07/9 | Published: 2024/12/24
Received: 2024/03/4 | Accepted: 2024/07/9 | Published: 2024/12/24
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