說起中國的水果,柑橘肯定要排在前列的,無論是冬天還是夏天,都見到它的身影,中國是柑橘的重要原產(chǎn)地之一,柑橘資源豐富,優(yōu)良品種繁多。但是,柑橘的栽培卻并不那么簡單呢~比如說有“柑橘癌癥”之稱的黃龍病,你知道科研大大們是怎么說的嗎?上海凈信帶你來感受下!

什么是黃龍病?
黃龍病為一種細菌性病害,病原菌是革蘭氏陰性菌,屬于變形細菌門,α–變形細菌亞綱,根瘤菌目,根瘤菌科。
病原菌一般寄存在柑橘韌皮部篩管細胞中,在柑橘生長的整個階段都有可能發(fā)病,有一定的潛伏期。黃龍病會導(dǎo)致等;表面無光澤;主要通過木虱叮咬傳播。

果小、畸形;著色異常如紅鼻子果、青頭果

斑駁黃化、均勻黃化、缺錳、鋅狀黃化
為什么要研究柑橘樹枝干?
在實驗過程中,對于柑橘樹枝干的研磨是必要的一環(huán),因為要提取其DNA和RNA;以做后續(xù)研發(fā)實驗,湖南農(nóng)業(yè)大學(xué)柑橘所的科研人員表示:目前黃龍病是治不好的,因為病菌存在于韌皮部中,一般藥物很難到達。同理,我們說柑橘潰瘍病一旦感病終身帶病,也是由于無法根除潛藏在葉肉細胞間隙的柑橘潰瘍病菌,而導(dǎo)致其復(fù)發(fā)率極高;黃龍病病菌目前無法人工培養(yǎng),固難以進行特效性藥物的篩選,暫時處于無藥可醫(yī)的境況;所以這次實驗就是希望在研究對于黃龍病的感染后治療方面有所突破。

黃龍病樹該如何處理?
那么,柑橘樹得了黃龍病就真的只能眼睜睜看著遭殃嗎?其實也不是,可以將病樹盡早砍掉,防止進一步擴散;而且在砍樹前最好用藥劑清園,防止木虱遷飛轉(zhuǎn)移,這樣可以防止危害健樹。在砍樹后:仍然需要處理病兜,最好是連帶樹根挖掉。也可在樹兜上倒上柴油,用黑色塑料袋覆蓋擋光,防止樹兜重新發(fā)芽,最后翻土蓋住整個樹兜。


多樣品組織研磨儀(上海凈信Tissuelyser-24)
凈信Tissuelyser-24多樣品組織研磨儀適合對軟性、硬性、脆性及纖維質(zhì)樣品進行研磨(干磨或濕磨)及混合處理,且研磨結(jié)果具有可重復(fù)性,可滿足對細度要求極高的應(yīng)用;除了經(jīng)典的混合、研磨過程,凈信Tissuelyser-24多樣品組織研磨儀還能滿足膠體研磨的技術(shù)要求,其能量輸入可以滿足機械法制備合金的要求
現(xiàn)場研磨實例:
1、將擬柑橘樹枝干剪成3-4mm長短;
2、將擬處理好的柑橘樹枝干加入15ml鋼罐中;
3、加入配套的研磨珠子一顆,放入液氮中預(yù)冷幾分鐘;
4、將冷凍過的鋼罐樣品裝入凈信研磨儀中;
4、設(shè)定運行相關(guān)參數(shù);
5、啟動儀器至研磨結(jié)束
研磨對比圖:

上海凈信歡迎各高校與我司合作,希望與各高校一起共同打造中國國產(chǎn)儀器的美好未來,我司期望與全國各大客戶共同努力,為建設(shè)創(chuàng)新型產(chǎn)業(yè),發(fā)展我國的科學(xué)儀器貢獻一份力量!
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Vertical mixer
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Non-contact ultrasonic DNA interrupter
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Standard vacuum freeze dryer
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Orbital shaker
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Non-contact shaped DNA interrupter
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Rotary mixer HS-5
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Dual-channel non-contact energy-concentrated DNA interrupter
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Orbital shaker
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Roller mixer (blood mixer)
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Rotational viscometer
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Inching vortex oscillator
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Handheld ultrasonic cell pulverizer
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Cup type ultrasonic cell crusher
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Handheld ultrasonic cell pulverizer
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Ultra-micro ultrasonic cell crusher
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Micro centrifuge
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Rotational viscometer
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Multifunctional vortex oscillator
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Handheld ultrasonic cell crusher
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Handheld ultrasonic cell crusher
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Integrated ultrasonic cell crusher
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Multi-tube vortex oscillator
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Micro centrifuge
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Integrated ultrasonic cell crusher
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Rotational viscometer
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Ultrasonic crusher
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Nitrogen Blowing Apparatus
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Ultrasonic cell crusher integrated
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Ultrasonic crusher
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Nitrogen Blowing Apparatus
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Snowflake ice maker
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Integrated ultrasonic cell crusher
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Ultrasonic crusher
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Microplate centrifuge
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Nitrogen Blowing Apparatus
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Split ultrasonic cell disruptor
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Ultrasonic crusher
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Snowflake ice maker
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Ultrasonic cell crusher
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Microplate horizontal centrifuge
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Nitrogen Blowing Apparatus
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Integrated ultrasonic cell crusher
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Dual-channel non-contact energy-concentrated DNA interrupter
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Round water bath nitrogen blowing instrument
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Ultrasonic cell crusher
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Ultrasonic cell crusher
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Nitrogen Blowing Apparatus
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Visual nitrogen blowing instrument
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Intelligent ultrasonic crusher
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Ultrasonic cell crusher
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Ultrasonic crusher
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Constant temperature airtight ultrasonic reactor
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Non-contact ultrasonic pulverizer
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Soil Ball Mill
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Automatic sample fast grinder-24L
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Microwave ultrasonic extractor
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Soil Ball Mill
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Planetary Ball Mill
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Automatic sample fast grinder-32L
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Planetary Ball Mill
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Planetary Ball Mill
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Automatic sample fast grinder-48L
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High energy grinder
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High-throughput soil grinder
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Glass bead sterilizer
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Automatic sample fast grinder-64L
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Infrared inoculation loop sterilizer
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Automatic sample fast grinder-96L
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Infrared inoculation loop sterilizer
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Hair drug detector
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Hair screening drug detector
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Hair treatment instrument
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Biological indicator incubator
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Portable hair grinder
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Hair Grinding and Shredder
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Multi-sample tissue grinding machine-FEIII
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Multi-sample tissue grinder-FEII
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Tissue grinder
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Tissue grinding machine
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Plant tissue processing system
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Multi-sample tissue grinding machine-192
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Multi-sample tissue grinder-96
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Multi-sample tissue grinder-64
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Multi-sample tissue grinder -48
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Multi-sample tissue grinding machine-32
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Multi-sample tissue grinder-24
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QuEChERS pre-processing all-in-one machine
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QuEChERS sample preparation system
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Multi-sample tissue grinder-32L
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Automatic sample rapid grinding machine-48
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Automatic sample rapid grinder-32
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Automatic sample rapid grinding machine
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Fully automatic sample rapid cryogenic grinder
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Multi-sample tissue grinder-48L
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Three-dimensional high-speed vibration ball mill
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Multi-sample tissue grinder-192L
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Three-head shock type high-energy ball mill
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Fast tissue low-temperature crushing homogenizer
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Multifunctional homogenizer
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Multi-sample tissue grinder-96L
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3D Centrifugal Cryogenic Grinder
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Vertical oscillator
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Constant temperature and humidity weighing system
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Water quality chlorophyll grinder
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Chlorophyll A grinder
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Mortar grinder
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High-efficiency vibrating disc grinder
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Fully automatic cryogenic sample processing system
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Automatic sample rapid grinder
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Multi-sample tissue grinder-64L
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Multi-channel microbial magnetic bead homogenizer
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Automatic sample rapid grinding machine-64
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Automatic sample rapid grinder-96
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Automatic sample rapid grinder-192
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Three-dimensional mixer
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Molecular hybridization furnace
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Cryogenic Grinder JXFSTPRP-CLN
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Cryogenic tissue grinder
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Cryogenic tissue grinder
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High-speed cryogenic grinding homogenizer
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Semi-automatic hammer cyclone mill
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High-speed tissue grinding machine KZ-II
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Low temperature hammer type cyclone mill
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Automatic sample rapid grinding machine
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Automatic sample rapid grinder-24
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QuEChERS pre-processing all-in-one machine
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Immersion liquid nitrogen Cryogenic Grinder
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Automatic liquid nitrogen freezing grinding machine
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Cryogenic Grinder (Semi-automatic Liquid Nitrogen Cryogenic Grinder)
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3D sample tissue grinder
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Cryogenic Grinding Machine
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Automatic hammer cyclone mill
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Multi-sample Tissue Grinder-24L
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Constant temperature mixer
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Beating sample homogenizer
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Beating aseptic homogenizer
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Jaw Crusher
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Automatic homogenizer
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Single cell suspension preparation instrument
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Single cell preparation instrument (temperature control)
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Biological indicator incubator
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Dry thermostat
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Knife grinder
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Constant temperature mixer (refrigeration)
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Microplate Heat Sealer
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Microplate Oscillator
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Oscillator special for microplate
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Microplate incubator
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Microplate incubator
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Thermostatic metal bath
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Temperature-controlled single cell suspension preparation instrument
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High-speed grinding homogenizer-192
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Bone and Teeth Grinder
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Frozen Bone Teeth Crusher
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Basic cryogenic grinder
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Cryogenic grinder
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Frozen grinder
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Cryogenic tissue grinder
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3D Centrifugal Cryogenic Grinder
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Cross-beating grinder
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Gene amplification instrument PCR instrument THT-96G (gradient type)
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Automatic rotating sampler
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Flip oscillator
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Fully Automatic Flip Oscillator
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Fully automatic low temperature flip oscillator
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Handheld Grinder
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High Power Handheld Grinder
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Parallel grinder
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Aquatic product animal husbandry solid phase extraction device
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Gradient amplification PCR detection analyzer THG-96G (gradient)
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3D Cryogenic Grinder
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Thermostatic metal bath refrigeration type
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Mini thermostat metal bath
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Mini refrigerated metal bath
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Thermostatic metal bath
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Thermostatic metal bath
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High temperature four-module thermostatic metal bath
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Microplate Shaker
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High energy ball mill
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Low-Temperature Cyclone Hammer Mill
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Mini grinder
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Mini Diamond Grinding Machine
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MINI rapid detection grinder
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Portable sample grinder
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Portable sample grinder
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Small bead mill/cell bead mill
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Three-dimensional mixer
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Hot-lid metal bath
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High Throughput Tissue Grinder-2018
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Oil-free vacuum pump
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High temperature type CNC super constant temperature bath
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Solid Phase Extraction Apparatus
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Solid phase extraction device
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Grinding bead homogenizer
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Beating aseptic homogenizer
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Fully automatic homogenizer
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New type soil drying box
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High Throughput Tissue Grinder - GTL64
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In situ hybridization
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High Throughput Grinder
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Medium Flux Grinder
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High-throughput sample rapid grinder
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Ultra High Throughput Tissue Grinder
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Ultra High Throughput Tissue Grinder
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UV crosslinker
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Three-dimensional mixer
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Sample pre-processing machine
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Analytical Milling & Pulverizing
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PrecisionLab Series
PrecisionLab Series
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