CATALPA BUNGEI

2014 ◽  
pp. 1489-1490
Author(s):  
Henry John Elwes ◽  
Augustine Henry
Keyword(s):  
Catalpa Bungei

scholarly journals Effects of Arbuscular Mycorrhizal Fungi on Growth and Physiological Performance of Catalpa bungei C.A.Mey. under Drought Stress

Forests ◽  
2020 ◽  
Vol 11 (10) ◽  
pp. 1117
Author(s):  
Wei Chen ◽  
Panpan Meng ◽  
Huan Feng ◽  
Chunyan Wang
Keyword(s):  
Drought Stress ◽  
Drought Resistance ◽  
Water Status ◽  
Photosynthetic Pigment ◽  
Arbuscular Mycorrhizal ◽  
Northwest China ◽  
Water Levels ◽  
Timber Species ◽  
Physiological Performance ◽  
Catalpa Bungei

Catalpa bungei C.A.Mey. is a common ornamental timber species. Its survival and growth are greatly affected by water scarcity in arid and semi-arid areas of Northwest China. Evidence suggests arbuscular mycorrhizal fungus (AMF) may improve plant drought resistance. However, there is limited information on the systematic effects of AMF on drought resistance in C. bungei seedlings. Here, a pot experiment was used to explore the effects of inoculation with the AMF Rhizophagus intraradices on the growth and physiological performance of C. bungei under different water treatment conditions. Three water levels and two mycorrhizal inoculation treatments were used with factorial design. The results showed that drought stress noticeably affected the growth and physiological performance of C. bungei seedlings. However, inoculation with R. intraradices significantly ameliorated the growth, and alleviated the effects of drought stress. The growth parameters of AMF-inoculated seedlings significantly increased regardless of water status. AMF changed the biomass allocation in seedlings by reducing the root mass ratio (RMR) and root/shoot ratio. AMF-inoculated seedlings displayed higher gas exchange parameters, photosynthetic pigment concentrations, specific leaf area (SLA), but lower specific leaf weight (SLW), regardless of water status. AMF alleviated drought-induced oxidative stress by attenuating the excess generation of reactive oxygen species (ROS), especially H2O2 and O2−, in leaves. Inoculation with AMF under drought stress also dramatically augmented indole-3-acetic acid (IAA) and gibberellins (GA3) levels and the IAA/abscisic acid (ABA) and GA3/ABA ratios, but reduced ABA and zeatin (ZT) levels in leaves. AMF symbiosis improved root morphology and promoted the absorption of nitrogen (N) and phosphorus (P) in seedlings. We conclude that inoculation with R. intraradices is potentially useful for afforestation and cultivation of C. bungei in Northwest China. Furthermore, AMF improved soil structure by increasing the glomalin-related soil protein (GRSP) contents and the proportion of macro-aggregates (0.25–0.5 mm) in the rhizosphere soil.

Chemical components from the seeds of Catalpa bungei and their inhibitions of soluble epoxide hydrolase, cholinesterase and nuclear factor kappa B activities

RSC Advances ◽  
2016 ◽  
Vol 6 (47) ◽  
pp. 40706-40716 ◽  
Author(s):  
Hao-Yu Tang ◽  
Meng-Meng Bai ◽  
Jun-Mian Tian ◽  
Gennaro Pescitelli ◽  
Trpimir Ivšić ◽  
...  
Keyword(s):  
Epoxide Hydrolase ◽  
Nuclear Factor Kappa B ◽  
Soluble Epoxide Hydrolase ◽  
Chemical Components ◽  
Nuclear Factor ◽  
Nuclear Factor Kappa ◽  
Catalpa Bungei

22 compounds, including two rare cage chlorinated iridoids, bungosides A (1) and B (2), were isolated fromCatalpa bungei. of soluble epoxide hydrolase (sEH), acetylcholinesterase (AChE) and BChE, and NF-κB activity.

Bionomics of the Manchurian catalpa shoot borer, Sinomphisa plagialis (Lepidoptera: Pyralidae) in Shandong, China

1994 ◽  
Vol 84 (4) ◽  
pp. 533-540
Author(s):  
Qi Cheng-Jin ◽  
Li De-Wei ◽  
Zhang Bing-Xin
Keyword(s):  
Mountainous Area ◽  
Typical Symptom ◽  
Shoot Borer ◽  
Summer Generation ◽  
Jiaodong Peninsula ◽  
Catalpa Ovata ◽  
Two Generations ◽  
Lepidoptera Pyralidae ◽  
Catalpa Bungei

AbstractLarvae of the Manchurian catalpa shoot borer Sinomphisa plagialis (Wileman) mainly damaged young shoots of Manchurian catalpa (Catalpa bungei) and ovate catalpa (Catalpa ovata). The typical symptom was production of spindle galls on damaged parts of shoots or branches, usually confined to seedlings, vigorously growing shoots, twigs and branches, as well as young trees below 3 m in height. Feeding occurred from early April to late October. In the Jiaodong peninsula, where there were one to two generations in a year, whereas in the mountainous area of central and southern Shandong, there were always two generations. Larvae had five instars. The longevity of adults was 3–11 days; eggs of the summer generation 7–9 days, overwintering generation 4–6 days; larvae of the summer generation 42–48 days; pupae of the summer generation 13–16 days, of the overwintering generation 22–26 days. Most overwintered in the pith as fifth instar larvae.

scholarly journals Genome-wide analysis of the Catalpa bungei caffeic acid O-methyltransferase (COMT) gene family: identification and expression profiles in normal, tension, and opposite wood

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6520 ◽  
Author(s):  
Nan Lu ◽  
Wenjun Ma ◽  
Donghua Han ◽  
Ying Liu ◽  
Zhi Wang ◽  
...  
Keyword(s):  
Gene Family ◽  
Caffeic Acid ◽  
Structural Characteristics ◽  
Expression Profiles ◽  
Quantitative Polymerase Chain Reaction ◽  
Amino Acid Sequences ◽  
Pcr Analysis ◽  
Normal Wood ◽  
Opposite Wood ◽  
Catalpa Bungei

Caffeic acid O-methyltransferase (COMT) is an important protein that participates in lignin synthesis and is associated with the ratio of G-/S-type lignin in plants. COMTs are associated with the wood properties of forest trees; however, little known about the COMT family in Catalpa bungei, a valuable timber tree species in China . We performed a comprehensive analysis of COMT genes in the C. bungei genome by describing the gene structure and phylogenetic relationships of each family member using bioinformatics-based methods. A total of 23 putative COMT genes were identified using the conserved domain sequences and amino acid sequences of COMTs from Arabidopsis thaliana and Populus trichocarpa as probes. Phylogenetic analysis showed that 23 CbuCOMTs can be divided into three groups based on their structural characteristics; five conserved domains were found in the COMT family. Promoter analysis indicated that the CbuCOMT promoters included various cis-acting elements related to growth and development. Real-time quantitative polymerase chain reaction (PCR) analysis showed differential expression among CbuCOMTs. CbuCOMT2, 7, 8, 9, 10, 12, 13, 14, 21, and 23 were mainly expressed in xylem. Only CbuCOMT23 was significantly downregulated in tension wood and upregulated in opposite wood compared to normal wood. Our study provides new information about the CbuCOMT gene family and will facilitate functional characterisation in further research.

scholarly journals The Current and Future Potential Geographical Distribution and Evolution Process of Catalpa bungei in China

Forests ◽  
2022 ◽  
Vol 13 (1) ◽  
pp. 96
Author(s):  
Shengqi Jian ◽  
Tiansheng Zhu ◽  
Jiayi Wang ◽  
Denghua Yan
Keyword(s):  
Climate Change ◽  
River Basin ◽  
Shaanxi Province ◽  
Ecological Management ◽  
Multiple Model ◽  
The North ◽  
Mean Temperature ◽  
Catalpa Bungei ◽  
The Mean ◽  
The Impact

Catalpa bungei C. A. Mey. (C. bungei) is one of the recommended native species for ecological management in China. It is a fast-growing tree of high economic and ecological importance, but its rare resources, caused by anthropogenic destruction and local climatic degradation, have not satisfied the requirements. It has been widely recommended for large-scale afforestation of ecological management and gradually increasing in recent years, but the impact mechanism of climate change on its growth has not been studied yet. Studying the response of species to climate change is an important part of national afforestation planning. Based on combinations of climate, topography, soil variables, and the multiple model ensemble (MME) of CMIP6, this study explored the relationship between C. bungei and climate change, then constructed Maxent to predict its potential distribution under SSP126 and SSP585 and analyzed its dominant environmental factors. The results showed that C. bungei is widely distributed in Henan, Hebei, Hubei, Anhui, Jiangsu, and Shaanxi provinces and others where it covers an area of 2.96 × 106 km2. Under SSP126 and SSP585, its overall habitat area will increase by more than 14.2% in 2080–2100, which mainly indicates the transformation of unsuitable areas into low suitable areas. The center of its distribution will migrate to the north with a longer distance under SSP585 than that under SSP126, and it will transfer from the junction of Shaanxi and Hubei province to the north of Shaanxi province under SSP585 by 2100. In that case, C. bungei shows a large-area degradation trend in the south of the Yangtze River Basin but better suitability in the north of the Yellow River Basin, such as the Northeast Plain, the Tianshan Mountains, the Loess Plateau, and others. Temperature factors have the greatest impact on the distribution of C. bungei. It is mainly affected by the mean temperature of the coldest quarter, followed by precipitation of the wettest month, mean diurnal range, and precipitation of the coldest quarter. Our results hence demonstrate that the increase of the mean temperature of the coldest quarter becomes the main reason for its degradation, which simultaneously means a larger habitat boundary in Northeast China. The findings provide scientific evidence for the ecological restoration and sustainable development of C. bungei in China.

scholarly journals Efficient Transformation of Catalpa bungei Shows Crystal Genes Conferring Resistance to the Shoot Borer Omphisa plagialis

2021 ◽  
Vol 12 ◽  
Author(s):  
Fenni Lv ◽  
Peng Wang ◽  
Enliang Zhang ◽  
Lingling Ma ◽  
Lulu Gao ◽  
...  
Keyword(s):  
Function Analysis ◽  
Expression System ◽  
Great Promise ◽  
Resistant Variety ◽  
Stem Segment ◽  
Transformation System ◽  
Embryogenic Calli ◽  
Shoot Borer ◽  
Catalpa Bungei ◽  
Insect Resistant

Although Catalpa bungei is a forest plant with considerable economic and ornamental value in China, its wood and decorative qualities are constrained by insect pests such as the shoot borer Omphisa plagialis (Lepidoptera). Overexpressing insect resistance genes such as crystal genes to develop an insect-resistant variety of C. bungei is an environmental and ecological approach. However, genotype limitations and low regeneration rates of embryogenic calli (EC) inhibit the development of transformation and the insect-resistant gene expression system in C. bungei. Here, we first established embryogenic callus induction and regeneration systems of five genotypes using mature seed and stem segment explants; the highest induction and regeneration rates of EC were 39.89 and 100%, respectively. Next, an efficient and stable Agrobacterium-mediated genetic transformation system was developed from EC and its positive frequency was up to 92.31%. Finally, using the transformation system, 15 and 22 transgenic C. bungei lines that expressed Cry2A and Cry9Aa-like were generated, respectively. These transgenic lines that exhibited significantly higher resistance to O. plagialis in the laboratory and field have great promise for meeting the challenge of future pest management under changing climatic conditions. Additionally, this efficient, fast, and stable transformation system could be a potential tool for gene function analysis and forest tree genetic improvement.

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