Growth of triploid and diploid <i>Acacia</i> clones in three contrasting environments in Viet Nam

Bon, P.; Harwood, CE; Nghiem, QC; Thinh, Ha Huy; Son, Do Huu; Chinh, Ngo Van

doi:10.1080/00049158.2020.1819009

Cited by 7 publications

(2 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Compared with diploid plants, polyploidy plants usually grow robustly and have enlarged organs such as flowers, leaves, and fruits ( Liu et al, 2007 ; Zhang et al, 2019 ). After polyploidization, plants often exhibit broader environmental adaptability, such as enhanced abiotic stress tolerance, and show significant increases in their potentially valuable secondary metabolite contents ( Bon et al, 2020 ; Zhang et al, 2020 ). Eucalyptus , Populus , and Salix are fast-growing and important plantation species worldwide.…”

Section: Introductionmentioning

confidence: 99%

Induction and Characterization of Tetraploid Through Zygotic Chromosome Doubling in Eucalyptus urophylla

Liu

Wang²,

Qiu³

et al. 2022

Front. Plant Sci.

View full text Add to dashboard Cite

Improvements in plant growth can bring great benefits to the forest industry. Eucalyptus urophylla is an important plantation species worldwide, and given that ploidy increases are often associated with plant phenotype changes, it was reasoned that its polyploidization may have good prospects and great significance toward its cultivation. In this study, the zygotic development period of E. urophylla was observed through paraffin sections, and a correlation between the development time of flower buds after pollination and the zygotic development period was established. On this basis, it was determined that the 25th day after pollination was the appropriate time for a high temperature to induce zygotic chromosome doubling. Then tetraploid E. urophylla was successfully obtained for the first time through zygotic chromosome doubling induced by high temperature, and the appropriate conditions were treating flower branches at 44°C for 6 h. The characterization of tetraploid E. urophylla was performed. Chromosome duplication brought about slower growing trees with thicker leaves, larger cells, higher net photosynthetic rates, and a higher content of certain secondary metabolites. Additionally, the molecular mechanisms for the variation in the tetraploid’s characteristics were studied. The qRT-PCR results showed that genes mediating the tetraploid characteristics showed the same change trend as those of the characteristics, which verified that tetraploid trait variation was mainly caused by gene expression changes. Furthermore, although the tetraploid had no growth advantage compared with the diploid, it can provide important germplasm resources for future breeding, especially for the creation of triploids.

show abstract

Section: Introductionmentioning

confidence: 99%

Induction and Characterization of Tetraploid Through Zygotic Chromosome Doubling in Eucalyptus urophylla

Liu

Wang²,

Qiu³

et al. 2022

Front. Plant Sci.

View full text Add to dashboard Cite

show abstract

“…Thus, on the one hand, there are diseases produced by soil fungi, those of the aerial part and those that cause post-harvest damage [12]. Among the invasive fungi, the only one that attacks citrus is Armillaria mellea, and practically the rest of the fungi in the soil belong to the group of saprophytic fungi (Fusarium, Phythopthora, and Verticillium) that, depending on the environmental conditions, can parasitize large number of plants, including citrus [14], other examples are: white root rot by Rosellinia necatrix [15], gummies, root neck and trunk base rot, and absorbent root rot by Phythophthora nicotiane and P. citrophthora [16], the basal death of citrus by Ceratocystis fimbriata [17], the pink disease by Corticium salmonicolor [18], the drying of branches by Lasiodiplodia theobromae [19], the leaf spot by Alternaria tenuissima [20], vascular wilt on Asparagus by Fusarium oxysporum [21].…”

Section: Introductionmentioning

confidence: 99%

Induction of Extracellular Lytic Enzymes from Aureobasidium pullulans

Pérez

Gómez

González

et al. 2021

AJRB

View full text Add to dashboard Cite

Aims: The objective of this work was to analyze the production of some extracellular lytic enzymes of the fungus Aureobasidium pullulans. Methodology: The fungus was isolated from Valencian orange and was cultivated on Mathur medium modified with polygalacturonic acid (2% w/v) or xylan (2% w/v) as a carbon source, and they were incubated at 28°C, with constant stirring at 100 rpm, and at different times, the supernatant was harvested by filtration, and the extracellular lytic activity was determined by the Nelson method modified by Somogy, as well as the extracellular protein by the Lowry method. Results: The production of extracellular polygalacturonase and xylanase was induced, finding that the former has an optimal induction time at 7 days, with glutamic acid as a nitrogen source, and is stable at 4°C and 28°C and an optimal temperature and activity times of 60-80°C and 4 hours, while xylanase presents an optimal induction time of 9 days, with glutamic acid as nitrogen source, and very stable at 4 and 28°C, with optimal temperature and time of activity of 28°C and 8 hours. Conclusion: The fungus exhibits both polygalacturonase and xylanase activity. The polygalacturonase activity has a maximum induction time at 7 days, while xylanase has an optimal induction time at 9 days of incubation at 28°C. The xylanase activity was very stable at 4°C and 28°C, as it retains an activity of 100% at both temperatures after five days of incubation, while polygalacturonase retains 82.5% of its initial activity at 4°C, and 56.7% at 28°C.

show abstract

Bringing to light the preponderance and origin of spontaneous triploid cytotypes in medicinal Tinospora cordifolia: implications for genetic improvement

Thakur,

Rajpal,

Chaudhary

et al. 2023

Nucleus

View full text Add to dashboard Cite

Growth of triploid and diploid Acacia clones in three contrasting environments in Viet Nam

Cited by 7 publications

References 27 publications

Induction and Characterization of Tetraploid Through Zygotic Chromosome Doubling in Eucalyptus urophylla

Induction and Characterization of Tetraploid Through Zygotic Chromosome Doubling in Eucalyptus urophylla

Induction of Extracellular Lytic Enzymes from Aureobasidium pullulans

Bringing to light the preponderance and origin of spontaneous triploid cytotypes in medicinal Tinospora cordifolia: implications for genetic improvement

Contact Info

Product

Resources

About