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Photosynthesis as a source is a significant contributor to the reproductive sink affecting cotton yield and fiber quality. Moreover, carbon assimilation from subtending leaves adds up a significant proportion to the reproductive sink. Therefore, this study aimed to address the source-sink relationship of boll subtending leaf with fiber quality and yield related traits in upland cotton. A core collection of 355 upland cotton accessions was subjected to subtending leaf removal treatment effects across 2 years. The analysis of variance suggested a significant effect range in the source-sink relationship under subtending leaf removal effects at different growth stages. Further insight into the variation was provided by the correlation analysis and principal component analysis. A significant positive correlation between different traits was observed and the multivariate analysis including hierarchical clustering and principal component analysis (PCA) categorised germplasm accessions into three groups on the basis of four subtending leaf removal treatment effects across 2 years. A set of genotypes with the lowest and highest treatment effects has been identified. Selected accessions and the outcome of the current study may provide a basis for a further study to explore the molecular mechanism of source-sink relationship of boll subtending leaf and utilization of breeding programs focused on cotton improvement.
Naimatullah Mangi; Mian Nazir; Xiaoyan Wang; Muhammad Iqbal; Zareen Sarfraz; Ghulam Jatoi; Tahir Mahmood; QiFeng Ma; Fan Shuli. Dissecting Source-Sink Relationship of Subtending Leaf for Yield and Fiber Quality Attributes in Upland Cotton (Gossypium hirsutum L.). Plants 2021, 10, 1147 .
AMA StyleNaimatullah Mangi, Mian Nazir, Xiaoyan Wang, Muhammad Iqbal, Zareen Sarfraz, Ghulam Jatoi, Tahir Mahmood, QiFeng Ma, Fan Shuli. Dissecting Source-Sink Relationship of Subtending Leaf for Yield and Fiber Quality Attributes in Upland Cotton (Gossypium hirsutum L.). Plants. 2021; 10 (6):1147.
Chicago/Turabian StyleNaimatullah Mangi; Mian Nazir; Xiaoyan Wang; Muhammad Iqbal; Zareen Sarfraz; Ghulam Jatoi; Tahir Mahmood; QiFeng Ma; Fan Shuli. 2021. "Dissecting Source-Sink Relationship of Subtending Leaf for Yield and Fiber Quality Attributes in Upland Cotton (Gossypium hirsutum L.)." Plants 10, no. 6: 1147.
Stem reserves in grain crops are considered important in grain filling under post-anthesis stress in the absence/low availability of photosynthetic assimilates. Considerable variation is present among genotypes for stem reserve translocation in wheat. Therefore, this study aimed to exploit the phenotypic variation for stem reserve translocation in wheat under control and chemically induced stress conditions. The phenotypic variation among six parents and their corresponding direct cross combinations was evaluated under induced stress conditions. The results signify the presence of considerable variation between treatments, genotypes, and treatment-genotype interactions. The parent LLR-20 depicted the highest translocation of dry matter and contribution of post-anthesis assimilates under induced-stress conditions. Similarly, cross combinations Nacozari × LLR22, Nacozari × LLR 20, Nacozari × Parula, Nacozari × LLR 21, LLR 22 × LLR 21, and LLR 20 × LLR 21 showed higher source-sink accumulation under induced-stress conditions. The selected parents and cross combinations can be further utilized in the breeding program to strengthen the genetic basis for stress tolerance in wheat.
Mian Nazir; Zareen Sarfraz; Naimatullah Mangi; Muhammad Nawaz Shah; Talat Mahmood; Tahir Mahmood; Muhammad Iqbal; Muhammad Ishaq Asif Rehmani; Mohamed El-Sharnouby; Mohamed Shabaan; Sobhy Sorour; Ayman EL Sabagh. Post-Anthesis Mobilization of Stem Assimilates in Wheat under Induced Stress. Sustainability 2021, 13, 5940 .
AMA StyleMian Nazir, Zareen Sarfraz, Naimatullah Mangi, Muhammad Nawaz Shah, Talat Mahmood, Tahir Mahmood, Muhammad Iqbal, Muhammad Ishaq Asif Rehmani, Mohamed El-Sharnouby, Mohamed Shabaan, Sobhy Sorour, Ayman EL Sabagh. Post-Anthesis Mobilization of Stem Assimilates in Wheat under Induced Stress. Sustainability. 2021; 13 (11):5940.
Chicago/Turabian StyleMian Nazir; Zareen Sarfraz; Naimatullah Mangi; Muhammad Nawaz Shah; Talat Mahmood; Tahir Mahmood; Muhammad Iqbal; Muhammad Ishaq Asif Rehmani; Mohamed El-Sharnouby; Mohamed Shabaan; Sobhy Sorour; Ayman EL Sabagh. 2021. "Post-Anthesis Mobilization of Stem Assimilates in Wheat under Induced Stress." Sustainability 13, no. 11: 5940.