10 results about "Poplar trees" patented technology

This invention discloses PtoNAC028 The gene is used to regulate the ratio of pectin monomers in poplar trees. The coding region of this gene has the nucleotide sequence shown in SEQ ID NO:1. This is achieved through overexpression or silencing of the gene in poplar trees. PtoNAC028 Genes capable of increasing or decreasing the proportion of lignin monomers in poplar provide key genes for the genetic improvement of poplar processing traits. This invention also discloses a method for cultivating poplars with a high lignin monomer ratio, through overexpression of [gene name missing] in poplar trees. PtoNAC028 The gene can significantly increase the proportion of lignin monomers in poplar trees, achieving targeted regulation of monomeric lignin metabolism, which helps to rapidly cultivate new poplar varieties with excellent wood properties and fast growth.

This invention discloses PCR primers and identification methods for distinguishing the sex of poplar trees from five major groups and the sex genotype of the white poplar group. This invention is based on the sex-determining gene in poplar trees. FERR Genes and FERR-R Specific primers were designed for each gene, and a PCR primer set for detecting the sex of poplar trees from five different groups was finally obtained through screening. PCR detection results of poplar materials with known sex using this primer set were completely consistent with the actual poplar sex phenotype, demonstrating that the PCR primer set provided by this invention can accurately identify the sex of poplar trees from the five different groups at the molecular level, making poplar sex identification more universal. Furthermore, the specific amplification provided by this invention... FERR The primer pairs for the gene can accurately identify the sex chromosome composition of poplar species. This invention has significant application prospects in the identification of male and female sexes in the five major poplar species, molecular breeding of poplars, and the control of female tree fluff.

This invention relates to the field of biotechnology, specifically disclosing a method for improving the biocompatibility of poplar trees. PagBEH3b Methods for promoting poplar lignite development and / or increasing poplar height and / or increasing poplar yield through gene expression. This invention involves... PagBEH3b Genes were transferred into poplar trees and overexpressed. PagBEH3b Compared with wild-type, transgenic poplar showed a significant increase in xylem, indicating that the xylem of the brassinolide signaling pathway is a key regulator of this pathway. PagBEH3b It is a key regulatory factor in controlling xylem development in poplar. This invention provides a new option for regulating xylem development and has significant application value in the field of forest tree genetic engineering.

A device and method for rapid calculation of forest stock volume, belonging to the field of forest calculation technology, uses a drone as a platform and integrates a lidar module, an optical camera module, a positioning and navigation module, a data storage module, a data transmission module, and a ground control module to achieve rapid collection, storage, transmission, and preliminary processing of forest parameters. It employs a drone-borne lidar and optical camera working in tandem, using 10 poplar trees as a standard measurement sample to achieve rapid, accurate, and efficient calculation of poplar stock volume. This significantly reduces the labor costs and time required for forest stock volume calculation, enabling calculation of a single forest plot to be completed within 1-2 days with an error controlled within 5%. It is applicable to scenarios such as forestry resource inventory, forest tenure valuation, carbon sequestration, and forestry management, providing accurate and efficient data support for relevant departments.

The invention discloses application of a PagWRKY40 gene in regulation and control of insect resistance of poplars, relates to the field of biotechnology and genetic engineering, and particularly relates to application of the PagWRKY40 gene or a protein coded by the PagWRKY40 gene in regulation and control of insect resistance of poplars, and a nucleotide sequence of the PagWRKY40 gene is shown as SEQ ID No.1. According to the invention, the PagWRKY40 gene of the 84K poplar is cloned, and an over-expression transgenic plant of the gene is obtained by utilizing an agrobacterium tumefaciens-mediated genetic transformation mode. Research results provide a basis for improvement of insect-resistant varieties of poplar trees and have important scientific significance for revealing excellent genes for forest tree genetic engineering breeding, and the 84K poplar PagWRKY40 gene has obvious insect-resistant ability and does not influence plant growth, so that the gene has very important application prospects in growth of transgenic plants, especially transgenic forest trees.

Celluloses are taken from industrial trees by means of chemical pulp processing method which does not give damage to environment, and turned into fiber form, and fibers of industrial trees are turned into dental floss form. As said industrial tree; a kind of tree selected from beech tree, birch tree, poplar tree, elm and oak tree is used.

This invention relates to a miRNA that regulates tree dwarfing and its application, belonging to the fields of plant genetic engineering and biotechnology; regulating tree dwarfing PagmiR396b The precursor sequence is shown in Sequence 1 of the sequence listing; it regulates tree dwarfing. PagmiR396b The mature sequence is shown in Sequence 2 of the sequence listing. This invention utilizes... PagmiR396b The precursor sequence was transferred into Silver Yang 84K and overexpressed. PagmiR396b Transgenic poplar trees with the precursor sequence showed a reduced plant height compared to non-transgenic poplar trees, indicating that... PagmiR396b The precursor sequence is key to regulating poplar dwarfing and has important application value in the field of forest tree dwarfing genetic engineering.

The invention belongs to the technical field of insect resistance research, and discloses a method for enhancing insect resistance of poplar by using a leaf aging related gene NAC109, which is characterized by comprising the following steps: (1) obtaining a CDS sequence of a PtNAC109 gene: (2) designing a guide gRNA sequence; (3) constructing a targeted PtNAC109 gene editing carrier plasmid; (4) preparing a genetic transformation agrobacterium infection solution; (5) infecting the populus tomentosa plants with agrobacterium; (6) screening calluses with resistance; (7) inducing, prolonging and rooting resistant buds; (8) verifying a gene editing effect by utilizing a molecular biology means; and (9) obtaining a poplar gene editing new germplasm with enhanced insect resistance.

The application discloses a gene for regulating plant plant type and application thereof. The disclosed PopLBO1 gene has a coding region nucleotide sequence as shown in SEQ ID NO:1, and the amino acid sequence of the coded protein is as shown in SEQ ID NO:2. The gene can negatively regulate the branch number of a poplar tree, positively regulate the plant height and the first leaf node height of the poplar tree, and provides a key candidate gene and a theoretical basis for genetic improvement of the plant type of the poplar tree. The application further discloses a method for regulating the plant type of the poplar tree and improving the plant type of the poplar tree by using the PopLBO1 gene. By overexpressing or silencing expressing the PopLBO1 gene in the poplar tree, directional genetic improvement of the plant type of the poplar tree can be realized, and this is beneficial to fast breeding of excellent germplasm of the poplar tree suitable for different uses.

This invention discloses a PtoERF54 gene related to water use efficiency in poplar trees and its applications. The gene sequence is shown in SEQ ID NO.1. By constructing an overexpression recombinant vector of this gene and introducing it into poplar trees, PtoERF54 overexpressing transgenic plants are obtained, which can significantly improve the water use efficiency of poplar trees, enhance their drought resistance, and effectively mitigate the impact of drought stress on tree growth. This invention also discloses a breeding method for enhancing the drought resistance of poplar trees by improving their water use efficiency. This is beneficial for selecting new tree germplasm with stronger drought resistance, improving the environmental adaptability of poplar trees, and laying a theoretical foundation for molecular breeding of drought-resistant poplar trees.