Promoting seedling stress resistance through nursery techniques in China

Liu, Y.; Bai, Shulan; Zhu, Yanan; Li, G. L.; Jiang, Peng

doi:10.1007/s11056-012-9341-9

Cited by 17 publications

(7 citation statements)

References 10 publications

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“…Seedling vigor may express the ability of such a seedling to rapidly elongate and emerge, after germination, to avoid and/or escape waterlogging or submergence stresses (Vu et al, 2013). Previous studies had also reported that seedling initial vigor and collar diameter were found to be reliable indicators of good adaptation and performance of genotypes under various environmental abiotic stresses such as drought, heat, chilling and salt (Foolad and Lin, 2012;Liua et al, 2012;Platten et al, 2013;Houmanat et al, 2016). Therefore, the adoption and use of these traits, as selection criteria, could allow the selection and development of adapted rapeseed germplasm with multi tolerance to various abiotic stresses, including waterlogging.…”

Section: Discussionmentioning

confidence: 93%

Assessment of a set of rapeseed (Brassica napus L.) varieties under waterlogging stress at different plant growth stages

Nabloussi

Bahri

Lakbir

et al. 2019

OCL

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Rapeseed (Brassica napus L.) crop has a high yield potential in Morocco, particularly in the Gharb region. However, this area is subjected to relatively frequent water floods usually accompanied with soil waterlogging, which is harmful for the crop. This study aimed to assess the behavior and productivity of four Moroccan varieties under waterlogging stress conditions at four plant growth stages, against the control (absence of waterlogging). A field trial was carried out at the INRA experiment station of Allal Tazi during 2013/2014, and a pot experiment was conducted under shelter at the National School of Agriculture of Meknes during 2014/2015. The results obtained show that waterlogging stress significantly affected most of the studied parameters for all varieties and that germination and post-emergence seedling stages were the most sensitive to waterlogging stress conditions. Particularly, seed yield was drastically reduced for all varieties, and the reduction rate ranged from 19% for "INRA-CZH3" to 73% for "Narjisse" when waterlogging happened under rosette and young seedling stages, respectively. Overall, the variety "INRA-CZH3" presented the best agronomic performance and was the most tolerant to waterlogging occurring at different plant growth stages. Therefore, we recommend cultivation of this variety in the Gharb area. Its tolerance to such stress conditions is certainly attributed to its developed root system, its high seedling vigor and its large collar diameter. The two latter traits presented a high correlation with seed yield components and, thus, we recommend their use as selection criteria to breed for waterlogging rapeseed tolerance.Keywords: rapeseed / waterlogging stress / plant stage / tolerance / selection criteria Résumé -Évaluation de certaines variétés de colza (Brassica napus L.) soumises à un stress de ☆ Contribution to the Topical Issue "Rapeseed / Colza"

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Section: Discussionmentioning

confidence: 93%

Assessment of a set of rapeseed (Brassica napus L.) varieties under waterlogging stress at different plant growth stages

Nabloussi

Bahri

Lakbir

et al. 2019

OCL

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“…At present, physiological indicators are using enormously for seedling quality evaluation, which required complex and expensive equipment, time-consuming, and most of them need active growth of seedlings [51][52][53][54]. RT-PCR can detect the presence of nucleic acids and enumerate bacterial strains [55,56].…”

Section: Discussionmentioning

confidence: 99%

Molecular Evaluation of Vitality and Survival Rate of Dormant Kyoho Grape Seedlings: A Step toward Molecular Farming

Nasim

Zheng

Naseri

et al. 2019

Plants

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Vitality and survival rate of grape seedlings are crucial factors affecting quality of vineyards. There is no comprehensive study describing accurate evaluation of dormant grapevine seedlings’ vitality and survival rate. The purpose of this study was to explore the possibility of using molecular information to evaluate viability and survival rate of dormant seedlings before transplanting. After bare roots treatment, 1–5 day expression levels of six HKGs in four buds of tetraploid Kyoho grape (Vitis labruscana: V. labrusca × V. vinifera) seedlings were detected by (Sq.) RT-PCR and qRT-PCR for calibration of the molecular method. The results revealed that HKGs expression indicates vitality and survival of plant, higher expression was strongly linked to higher vitality and survival rate, lower expression was associated with lower vitality, and lowest expression was significantly associated with lowest vitality and survival rate. Moreover, DNA and RNA quality can superficially determine seedling qualities. Finally, the survival rate of the seedlings produced in Juxian-Shandong, Laixi-Shandong, Huailai-Hebei, Suizhong-Liaoning, Changli-Hebei, Guanxian-Shandong, and Zhangjiagang-Jiangsu was 100.00%, 100.00%, 100.00%, 100.00%, 100.00%, 87.77%, and 93.33%, respectively. In conclusion, molecular technique is potential approach for promoting gene information to estimate vitality and survival rate of dormant grape seedlings and might contribute to viticulturists’ efforts.

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“…Some studies reported the positive effect of fertilization in nurseries on seedling performance after out-planting in the field, such as on Larix olgensis [10] and Pinus tabulaeformis [26,27]. Y. Liu et al stated that proper fertilization, which can increase nutrient storage reserves and stress resistance, has also been used to improve seedling resistance [20]. These nursery techniques were used to improve seedling quality.…”

Section: Seedling Survival and Early Growth In The Fieldmentioning

confidence: 99%

“…Many improvements have been made to increase the resistance of tree seedlings to environmental stress in out-planting whether by using containerized seedlings or bare-root seedlings [3,20]. However, for indigenous tropical tree species of Indonesia, studies on promoting seedling resistance have not been carried out much yet.…”

Section: Introductionmentioning

confidence: 99%

Possibility of bare-root seedling application for tropical forest and landscape restoration: A study on Gmelina arborea and Calophyllum inophyllum

et al. 2023

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Container and bare-root seedlings are the two basic stock types used in reforestation programs in many countries, but in the tropics, bare-root seedlings have never been widely applied. The objective of this research was to assess the possibility of bare-root seedlings for tropical forest and landscape restoration treated by fertilization in the nursery and aquasorb treatment using two forest tree species, i.e., Calophyllum inophyllum and Gmelina arborea. A randomized block design was used to assess the seedling performance in nursery and aquasorb application on bare-root seedlings and container (polybag) seedlings as a comparison. This research indicated that NPK fertilization in the nursery was able to increase the seedling growth of C. inophyllum and G. arborea. In the field test, polybag seedlings had better survival and growth than bare-root seedlings. The best survival and growth in both species were shown by the polybag seedling with fertilization and aquasorb treatment. The treatment also increased the bare-root seedling growth in both species. Bare-root seedlings of C. calophyllum resulted in higher seedling survival than bare-root seedlings of G. arborea. The application of bare-root seedling on C. inophyllum is more prospective to be applied in the tropics.

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Promoting seedling stress resistance through nursery techniques in China

Cited by 17 publications

References 10 publications

Assessment of a set of rapeseed (Brassica napus L.) varieties under waterlogging stress at different plant growth stages

Assessment of a set of rapeseed (Brassica napus L.) varieties under waterlogging stress at different plant growth stages

Molecular Evaluation of Vitality and Survival Rate of Dormant Kyoho Grape Seedlings: A Step toward Molecular Farming

Possibility of bare-root seedling application for tropical forest and landscape restoration: A study on Gmelina arborea and Calophyllum inophyllum

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