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Declaration
1. There have been incidents of fraudulent individuals using fake websites to deceive authors into submitting manuscripts, as well as contacting authors under the guise of our editorial office and its staff. This has caused significant harm to our journal's reputation. Authors are strongly urged to remain vigilant. We have reported these activities to the police and reserve the right to pursue legal action against such individuals. We would like to emphasize that our journal does not collaborate with any agencies or individuals to publish articles for a fee. We do not accept email submissions. The official website of our editorial office is: http://xb.henau.edu.cn/, and the manuscript submission site is http://nnxb.cbpt.cnki.net/. Please be aware to avoid being deceived.
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Journal Introduction
Journal of Henan Agricultural University is committed to the principles of rigor, pragmatism, innovation and growth. It aims to promote agricultural science and technology and contribute to the development of related disciplines. The journal participates in the progress of the university, academic disciplines, scientific growth and achievements of researchers. The journal primarily publishes articles in the fields of crop science, veterinary medicine, agricultural engineering, forestry, animal husbandry, agricultural and forestry economics and management, biology, agricultural resources and environment, food science and engineering, landscape architecture, ecology, plant protection, horticulture, and tobacco science. Manuscripts are expected to demonstrate scientific rigor, originality, authenticity, and adherence to academic standards.
The journal is currently included in many international databases, including the Chemical Abstracts (US), Japan Science & Technology Agency Database, databases of CABI (UK), and EuroPub. It has been indexed in A Guide to the Core Journals of China (2023 edition) and selected as a Source Journal for Chinese Science Citation Database (CSCD) (2023-2024), a Key Magazine of China Technology (Source Journal for Chinese Scientific and Technical Papers and Citations), a China Core Academic Journal by Research Center for Chinese Science Evaluation (RCCSE), a Core Journal of Agriculture and Forestry in China (Class A), and a High-quality Scientific Journal in the Field of Agriculture and Forestry by China Association for Science and Technology. In addition, the journal has received numerous awards, including National Excellent Scientific Journal, Double-Effect Journal of China Scientific Journal Phalanx, Outstanding Natural Science Journal of Chinese Higher Education Institutions, Excellent Scientific Journal of Chinese Universities, Demonstration Case of Excellent Scientific Journal Construction in Chinese Universities, Premium Journal of Chinese Agricultural Journals, Outstanding Team of Chinese Agricultural Journals, Most Influential Agricultural Journal in China, Henan Excellent Publication Award, Outstanding Scientific Journal of Henan Province, Excellent University Journal of Henan Province, and First-Class Journal of Henan Province.
Research development of RecET recombination
ZHENG Yuanxia;ZHANG Yi;LIU Liangwei;Based on the mechanism by which RecE/RecT(RecET) mediates short homology arms(30-60 bp) DNA recombination, this paper explores the application prospects of RecET recombination as a new tool widely used in plasmid construction and genome editing of metabolic pathway. The development of the recombination tool from construction to perfection, its application in plasmid construction and genome engineering, crystal and cryo-electron microscopy structure of the RecE/RecT proteins, and mechanism hypothesis of exonuclease activity and annealing of ssDNA were reviewed. Furthermore, the existing problems and future development of in vitro recombination, in vitro interaction, and research value in eukaryotes were prospected.
Effects of flooding stress on growth and physiology of ‘Yuji' Idesia polycarpa Maxim
GENG Xiaodong;ZHOU Yafei;LIU Ying;TAO Yuhan;XIE Huandong;YUE Jifei;ZHANG Zhaozeng;CAI Qifei;DAI Li;LIU Zhen;【Objective】To explore the response mechanism of 2 a-grown ‘Yuji' Idesia polycarpa under different inundation stresses, with a view to providing a theoretical basis for the water control of ‘Yuji' Idesia polycarpa and the planting of suitable trees in suitable locations. 【Method】Three treatments were set up: CK(control, 75% relative soil water content), W1(waterlogged stress,100% relative soil water content), and W2(waterlogged stress, the water surface was not over the soil surface of the potted seedlings for 2-3 cm). Growth morphology and physiological indexes of ‘Yuji' Idesia polycarpa seedling under different flooding treatments were determined. 【Result】During the 10 d flooding stress period,all the seedlings of ‘Yuji' Idesia polycarpa seedling survived under the waterlogging(W1) treatment,with a small number of seedlings mildly wilted. The biomass of roots,stems and leaves showed no significantly difference from that of CK, and photosynthesis was strengthened. The leaf osmoregulatory substances was basically the same as that of CK throughout the whole experimental period, and only the endogenous hormones,IAA,were significantly higher than that of CK during the same time period. Seedlings in the waterlogged(W2) treatment were severely damaged. The root,stem and leaf biomass were all significantly lower than that of CK, and photosynthesis was weakened.Leaf osmoregulatory substances and endogenous hormones increased and then decreased, and root morphology indexes gradually decreased with the increase of the test time. 【Conclusion】‘Yuji' Idesia polycarpa is tolerant to flooding stress, and can grow normally under waterlogging stress,but its survive is limited to approximately 7 d under more severe flooding. With the extension of stress time,the adversity coping strategy of ‘Yuji' Idesia polycarpa is expressed as increasing SS and Pro to regulate the osmoregulation system and maintain the water balance in the plant,and the accumulation of large amounts of ABA and the weakening of photosynthesis are used to slow down the growth and prolong the survival time of the plant.
Comprehensive evaluation of radiation-induced mutagenized germplasm in Osmanthus fragrans
HUANG Yu;ZHAO Wei;MA Qianqian;HE Mingxing;WANG Yihan;CAO Shenquan;GUO Peng;SHANG Fude;【Objective】This study aims to screen Osmanthus fragrans germplasm resources with ornamental value, enrich Osmanthus germplasm resources, and promote the progress of Osmanthus breeding. 【Method】A total of 81 radiation-induced Osmanthus fragrans grafted seedlings were selected as samples. Fifteen indicators related to ornamental characteristics, such as leaf shape, leaf color, and leaf texture, were observed. The analytic hierarchy process(AHP) and grey relational analysis(GRA) were used to comprehensively evaluate the ornamental value of each sample. 【Result】A comprehensive evaluation system for ornamental traits of Osmanthus fragrans was established, including three constraint layers and 15 indicator layers. The weight ranged from 0. 006 to 0. 286, with quality traits having the highest weight in the constraint layer, and leaf texture having the highest weight in the indicator layer. Based on the comprehensive scores of the 81 radiation-induced Osmanthus germplasms, they were classified into five categories. Category Ⅰ had a score higher than 3. 5, consisting of 2 germplasms, S-RXG23032405-30-4 and D-ZYH23032404-30-3. Category Ⅱ had a score ranging from 3. 0 to 3. 5, with 22 germplasms. Category Ⅲ had a score ranging from 2. 5 to 3. 0, with 30 germplasms. Category Ⅳ had a score ranging from 2. 0 to 2. 5, with 23 germplasms. Category Ⅴ had a score lower than 2. 0, with 4 germplasms. Based on the weights derived from AHP, 23 germplasms with a weighted grey correlation degree>0. 55 were selected through GRA, which were generally consistent with the germplasms that reached categories Ⅰ and Ⅱ in AHP. 【Conclusion】The integrated application of AHP and grey relational analysis successfully identified two germplasms, SRXG23032405-30-4 and D-ZYH23032404-30-3, with high potential ornamental value, thereby advancing the breeding process of Osmanthus fragrans.
Anatomic study of laticifers of Euphorbia maculata L.
MA Liang;ZHOU Yan;GAO Qi;HUANG Yong;XIA Zhi;LI Hemin;【Objective】An in-depth study was conducted on the distribution of laticifers in the vegetative and reproductive organs of the plant to provide an anatomic basis for its development and utilization. 【Methods】The development and distribution of laticifers in different organs and at different developmental stages of the same organ were studied by paraffin section, whole-mount staining with Sudan Black B. dissociation squash slide and freehand slice. 【Results】The laticifer in Euphorbia maculata L. is a non-articulated type. The primary cells of the laticifers can be seen below the root apex meristem and stem apex leaf primordium. The laticifers are distributed in the parenchyma of all organs except the seeds. In roots and stems, rows of laticifers were running in parallel along the vascular and are concentric in the axial direction with the vascular bundles. In roots, the laticifers are mainly located in the cortex and outside of the phloem. In the stem, laticifers are mainly distributed outside of the phloem, in the pith, cortex, and other parenchyma tissue. And the secondary structure shows that the laticifers branch can be seen along the radial direction. A large number of laticifers in the stem segment cross transverse to form laticiferous plexus. In the leaf, the laticifers are distributed in palisade layer, spongy layer and outer sheath of vascular bundle, mainly along leaf veins, forming a network through the upper and lower epidermis and extending into the whole mesophyll tissue. In the inflorescence, the laticifers are distributed in the parenchyma between the inner and outer epidermis of the cyathium, male and female pedicel, the outside of the anther connective bundle, the ovary wall and the ventricular septum. The diameter, density, and proportion of laticifers are different in different organs and different parts at different developmental stages. 【Conclusion】Originating from apical meristem, the laticifers, distributed in the basic tissues of organs, are common in all organs except seeds.The laticifer ratios in leaves>in roots and stems. Diameter of laticifer and laticifer ratios in lateral vein>in spongy tissue>in palisade tissue. The diameter and density of laticifers in roots and stems are greater than those in cortex.
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more..Journal Information
Journal of Henan Agricultural University
(Bimonthly, founded in 1960)
Governing Body: Henan Agricultural University
Sponsor: Henan Agricultural University
Publisher: Editorial Office of Journal of Henan Agricultural University
(No. 218, Ping'an Avenue, Zhengdong New District, Zhengzhou, China)
Postal Code: 450046
Tel: +86-371-56552551
E-mail: hnndxb@henau.edu.cn
Editor-in-Chief: ZHOU Wei
Subscription Office: Post offices nationwide
Postal Distribution Code: 36-132
Domestic Distribution: Zhengzhou Postal Bureau
International Distribution: China National Publishing Industry Trading Corporation (P.O. Box 782, Beijing)
ISSN: 1000-2340
CN: 41-1112/S
WeChat Official Account: hnndxb1985
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