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. 2022 Apr 25;13:798751. doi: 10.3389/fpls.2022.798751

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Copyright © 2022 Sohail, Sawati, Ferrari, Stierhof, Kemmerling and Mashwani.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effects of Zn NPs on chlorophylls and carotenoids contents in Brassica napus rosette leaves. (A,B) Chlorophyll a, (C,D) Chlorophyll b, (E,F) total chlorophylls, and (G,H) carotenoids in rosette leaves of 5-week-old B. napus (Faisal canola and Shiralee), (I) leaf size, and (J) phenotype of plants treated with 0, 5, 15, and 25 ppm of Zn NPs. Chlorophylls and carotenoids were extracted from rosette leaves of 5-week-old B. napus plants using 80% acetone and measured using a spectrophotometer. Data represent the mean ± SD of three replicates. Different letters indicate significantly different (p < 0.05).