Abstract: A quantitative weed monitoring method guides the selection of weed prevention and control measures, and belongs to the field of plant protection. The method performs rapid and quantitative monitoring of weeds in a farmland in different farming modes in the whole growth period by using a four-level visual observation method in the seedling stage, a sampling method in the growth stage, a seven-level visual observation method in the mature stage, and a soil seed bank survey before planting, and implements a targeted weed control policy according to a quantitative index of the weeds, thereby achieving continuous prevention and control of the weeds. Through continuous monitoring, the occurrence rule and dynamic of the weeds can be determined, the weed prevention and control measures are implemented, and the usage frequency and amount of herbicides are reduced, so that the weed occurrence is controlled, and the planting costs and environmental pollution are reduced.

Abstract: Provided are a resistant protein for use in herbicide dicamba, encoding gene and application thereof, the gene comprising: (a) a nucleotide sequence of an amino acid sequence as shown in SEQ ID NO: 2; or (b) a nucleotide sequence which is complementary to the nucleotide sequence as defined by (a) under stringent conditions; or (c) a nucleotide sequence as shown in SEQ ID NO: 1.

Abstract: A field wheat stem tillering number extraction method, including: acquiring field wheat point clouds by means of a LiDAR, and extracting any row of wheat point clouds in a research area; projecting a Y axis to a plane, and retaining an X and Z axis; applying adaptive layering to obtain number of clusters of the wheat row; applying hierarchical clustering analysis to obtain tillering number of each wheat cluster; and further obtaining stem tillering number of the whole wheat row, so as to extract a field wheat stem tillering number. The feasibility of an algorithm is verified by comparing the wheat stem tillering number extracted by means of the method with an actually measured field stem tillering number, and the method realizes rapid, accurate and nondestructive extraction of a large-field crop stem tillering number and provides theoretical basis and technical support for extraction of the field wheat stem tillering number.

Abstract: A novel pig body scalding system, includes a scalding pool body. A separating fence in the middle of a scalding region in the scalding pool body divides the scalding region into a high-speed scalding and constant-speed scalding region; moreover, the two sides of the separating fence has a high-speed and a constant-speed scalding track corresponding to the to the high-speed and constant-speed scalding region respectively. The starting end of the high-speed scalding and that of the constant-speed scalding track can be connected with the same wobbling track, and wobbling track is located at the tail end of a pig body hanging track; an infrared thermometer and pressure sensor connected with a control system is provided below the pig body hanging track. The scalding system can perform targeted scalding on each pig body according to the condition of each pig body, thereby greatly reducing the influence of scalding on pork quality.

Abstract: Some embodiments of the disclosure provide a protein for promoting the growth of a pollen tube and a gene PbrTTS1 encoding the protein. The amino acid sequence of the protein is shown in SEQ ID No: 1. The nucleotide sequence of the gene PbrTTS1 encoding the protein is shown in SEQ ID No: 2. Other embodiments of the disclosure provide a primer for amplifying the gene PbrTTS1 encoding the protein. The primer includes a forward primer and a reverse primer. The nucleotide sequence of the forward primer is shown in SEQ ID No: 3, and the nucleotide sequence of the reverse primer is shown in SEQ ID No: 4.

Abstract: A handheld monitoring and early warning device for Fusarium head blight of in-field wheat includes an acquisition card, a processor, a camera, a touchscreen, a power supply, and a 4G network card. The acquisition card is configured to acquire data. The processor is configured to analyze the acquired data, to obtain the growth of wheat based on a deep learning algorithm. The camera is configured to acquire root, stem, and ear information of in-field wheat. The touchscreen is a medium configured to perform human-computer interaction. The power supply is configured to supply power to the monitoring and early warning device. The 4G network card is configured to perform data communication and at the same time communicate with an external cloud server. Further disclosed is an early warning method of a handheld monitoring and early warning device for Fusarium head blight of in-field wheat.

Abstract: A novel pig body scalding system, includes a scalding pool body. A separating fence in the middle of a scalding region in the scalding pool body divides the scalding region into a high-speed scalding and constant-speed scalding region; moreover, the two sides of the separating fence has a high-speed and a constant-speed scalding track corresponding to the to the high-speed and constant-speed scalding region respectively. The starting end of the high-speed scalding and that of the constant-speed scalding track can be connected with the same wobbling track, and wobbling track is located at the tail end of a pig body hanging track; an infrared thermometer and pressure sensor connected with a control system is provided below the pig body hanging track. The scalding system can perform targeted scalding on each pig body according to the condition of each pig body, thereby greatly reducing the influence of scalding on pork quality.

Abstract: A rapid synthesis method for a biomass-based amine, including: using formamide as an amine source, formic acid as a hydrogen source, and biomass aldehyde or ketone as a raw material, conduct rapid heating promoting direct addition of formamide and aldehyde or ketone compound through microwave-assisted heating and without a solvent and catalyst, and carrying out formic acid reduction preparing and obtaining a corresponding formamide derivative; selectively converting the formamide derivative under the action of a base into a corresponding primary amine through alcoholysis.

Abstract: The present invention discloses a breeding method and application of a new downy mildew-resistant interspecific hybrid Cucumis sativus variety.

Abstract: A method for estimating the aboveground biomass of rice based on multi-spectral images of an unmanned aerial vehicle (UAV), including: normatively collecting UAV multi-spectral image data of rice canopy and ground measured biomass data; after collection, preprocessing images, extracting reflectivity and texture feature parameters, calculating a vegetation index, and constructing a new texture index; and by stepwise multiple regression analysis, integrating the vegetation index and the texture index to estimate rice biomass, and establishing a multivariate linear model for estimating biomass. A new estimation model is verified for accuracy by a cross-validation method. The method has high estimation accuracy and less requirements on input data, and is suitable for the whole growth period of rice. Estimating rice biomass by integrating UAV spectrum and texture information is proposed for the first time, and can be widely used for monitoring crop growth by UAV remote sensing.

Abstract: A hydrophobic palladium/metal organic framework (MOF) material, which is a solid catalyst material obtained by taking a porous MOF as a carrier, introducing elementary palladium by means of an immersion-reduction method, and performing polydimethylsiloxane coating layer processing. A method which uses hydrophobic palladium/MOF material to selectively catalyze hexoses to prepare 2,5-dimethylfuran comprises: dissolving a hexose into an alcohol; using the hydrophobic palladium/MOF material as a catalyst and polymethylhydrosiloxane as a hydrogen donor, reacting at 70 to 130° C. for 0.25 to 12 h under the action of an acidic additive; the concentration of the hexose in the alcohol is 0.2 to 10 wt %, and the total amount of Pd contained in the hydrophobic palladium/MOF material relative to a hexose is 0.1 to 5 mol %.

Abstract: The ReXEG1 gene for improving plant disease resistance has a nucleotide sequence as shown in SEQ ID NO. 1, and encodes a product having an amino acid sequence as shown in SEQ ID NO. 3. It has a key role in resistance of tobacco to Phytophthora pathogens. Overexpression of this gene significantly promotes the resistance of tobacco to various Phytophthora species, and is a desirable gene for enhancing the plant disease resistance. The gene is allowed to express in tobacco by genetic transformation to improve resistance to various pathogens to tobacco, thereby improving the disease resistance of crops in field.

Abstract: A crop growth monitoring device based on multi-rotor unmanned aerial vehicle platform includes a multi-rotor unmanned aerial vehicle, a payload and a ground receiver; the payload part includes a multispectral crop growth sensor module, a signal amplification module, a controller module, a wireless data transmission module, and a power module for power supply and a power supply control module, which are connected in sequence; further comprising a gimbal. The crop growth monitoring device based on the multi-rotor unmanned aerial vehicle platform overcomes the influence on measurement caused by the down-wash flow field of the unmanned aerial vehicle, and can transmit the measured data to the ground receiver in real time for online analysis and processing, realizing continuous, real-time, convenient and large-scope acquisition of crop growth information.

Abstract: A method for estimating the aboveground biomass of rice based on multi-spectral images of an unmanned aerial vehicle (UAV), including: normatively collecting UAV multi-spectral image data of rice canopy and ground measured biomass data; after collection, preprocessing images, extracting reflectivity and texture feature parameters, calculating a vegetation index, and constructing a new texture index; and by stepwise multiple regression analysis, integrating the vegetation index and the texture index to estimate rice biomass, and establishing a multivariate linear model for estimating biomass. A new estimation model is verified for accuracy by a cross-validation method. The method has high estimation accuracy and less requirements on input data, and is suitable for the whole growth period of rice. Estimating rice biomass by integrating UAV spectrum and texture information is proposed for the first time, and can be widely used for monitoring crop growth by UAV remote sensing.

Abstract: A pesticide composition for controlling Fusarium head blight, which contains 1 to 150 parts by weight of jinggangmycin and 1 to 30 parts by weight of tebuconazole. The pesticide composition of the present invention has an obvious synergistic effect when used for controlling Fusarium head blight, can remarkably enhance the effect of controlling Fusarium head blight, and increase the ability of the human being in controlling Fusarium head blight of grain crops.

Abstract: A crop growth sensing apparatus and method supporting agricultural machinery variable-quantity fertilization, includes a shock-absorbing support, a shock-absorbing frame, and a cantilever beam. The shock-absorbing support is connected to an agricultural machinery vehicle frame. The cantilever beam is pivotally connected above a shock-absorbing spring of the shock-absorbing support. The cantilever beam, by means shock-absorbing springs mounted thereabove and thereunder, is pivotally connected to the shock-absorbing frame. The shock-absorbing frame is fixedly connected to a crop growth sensor. The crop growth sensing method employs an engine vibration model of the agricultural machinery and a vibration model for vehicle wheels and farmland road surface as excitations in analyzing vibrations of a crop growth multispectral sensor shock-absorbing apparatus to determine the number and mount positions of sensitive elements of the crop growth multispectral sensor.

Abstract: A CC-NBS-LRR gene NLR1-V encoded by the enduring and broad-spectrum gene Pm21 which is resistant to powdery mildew in the wheat-Haynaldiavillosa 6VS/6AL translocation line in Nannong 9918, and an expression vector and use thereof. The ORF sequence of the Gene NLR1-V having an NLR domain is as shown in SEQ ID NO: 1, and the encoded amino acid sequence is as shown in SEQ ID NO: 2.

Abstract: Disclosed is a synergistic sterilizing and preserving method for fresh meat with high voltage electric field plasma and nano photocatalysis, which belongs to the technical field of cold sterilization of food package. The method comprises the steps: uniformly mixing a photocatalyst, a coupling agent and coating liquid at a high speed, performing the coupling to obtain modified coating liquid, smearing the coating liquid onto the surface of a plastic packaging film to obtain a packaging material with a photocatalytic bacteriostatic function, packaging fresh meat in an MAP (modified atmosphere packing) manner by adopting the bacteriostatic packaging material, wherein a coating containing the photocatalytic material is disposed at the inner side of a package, placing the packed fresh meat between two electrodes of a plasma generating device, and performing the plasma sterilization under the condition of a high voltage electric field.

Abstract: Disclosed is a soil conditioner, comprising the following components in parts by weight: 10-20 parts of distiller's grains; 1-10 parts of cow dung; 1-10 parts of vermicompost; 1-10 parts of oil cake; 10-20 parts of dregs of decoction; 20-40 parts of fallow soil; and 20-40 parts of river sand. Also disclosed is a method for preparing a soil conditioner, comprising: first, separately fermenting distiller's grains, cow dung, vermicompost, oil cake, and dregs of decoction, and then mixing them with river sand and fallow soil for secondary solid fermentation to obtain the soil conditioner. The present invention has a remarkable restoration effect on obstructive soil, the microbial diversity index of the restored soil is increased, the microbial ecological structure of the soil is improved, and the quality of crops is enhanced.

Abstract: A method for preparing a fertilizer using straws and prepared straw organic fertilizer; the method includes: composting straws, spraying a compositing microbial solution containing amino acids to start decomposition of straws, and adjusting humidity of a straw compost, times of spraying a solution of product nutrients, component of the solution to obtain an up-to-standard commercial straw organic fertilizer; and keeping the composting temperature about 70° C. for long time by adjusting the turning time of the straw compost and collocation time of spraying the solution.