庄稼长不好,有可能是稻虱在偷吃
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introduction:褐稻虱成虫和若虫均能为害,多聚集于稻株基部吸取汁液,阻碍水稻的生长,为害严重时,稻丛下部变黑褐色,渐渐全株枯萎。水稻孕穗期受害后往往不能出穗或成“包颈”的空粒穗;抽穗后被害,则影响谷粒饱满度,千粒重下降,造成严重的减产。在取食期间,褐稻虱易使稻株发生煤烟病。此外褐稻虱还能传播水稻病毒病。
2022.06.23
experimental operation of frozen grinder jxfstprp-cl on grinding fresh pigskin samples
the laboratory of suzhou fangda new drug uses shanghai jingxin freeze grinder to grind and pulverize the fresh pig skin,which solves the problem of difficulty in sample processing due to its toughness.
2022.06.23
shaoxing college of arts and sciences uses a multi-sample tissue grinder to grind rice leaves
shaoxing college of arts and sciences chooses shanghai jingxin multi-sample tissue grinder will be used to grind rice leaves, which will be used to extract rna later.
2022.06.23
extraction of microbial nucleic acid from soil by automatic sample rapid grinder
the department of environmental engineering of hunan university used shanghai jingxin automatic sample rapid grinder to grinding experiment of microbial nucleic acid in soil, and the effect is better!
2021.02.02
en小美超微量超声波细胞破碎仪破碎微囊藻实验
中南民族大学位于湖北省武汉市,是中华人民共和国国家民族事务委员会直属高校,为中国“少数民族骨干计划”资格高校、全国深化创新创业教育改革示范高校、中国高校行星科学联盟、湖北省“国内一流大学建设高校”。
2021.01.29
浙江大学愈伤组织研磨实验
实验目的:愈伤组织(callus)是指原植物体的局部受到创伤刺激后,在伤口表面新生的组织。它由活的薄壁细胞组成,可起源于植物体任何器官内各种组织的活细胞。本次实验对象为愈伤组织,要求磨细,而且冻液氮磨,后续用来提rna。
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