搜索结果: 196-210 共查到“植物免疫学”相关记录418条 . 查询时间(4.879 秒)
Genetic Effects of High Fibre Strength Breeding Lines in Crosses with Transgenic Bt Cotton Cultivars (Gossypium hirsutum L.)
additive dominant model fibre quality heterosis lint yield
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2016/4/5
Evaluation of genetic effects in cotton (Gossypium hirsutum L.) high fibre strength lines is necessary for the
genetic improvement of fibre properties. Six breeding lines with high fibre strength an...
Production of Tetraploid Plants of Trollius chinensis Bunge Induced by Colchicine
morphological cytological and fertility characteristics polyploidy induction Trollius chinensis
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2016/4/5
Trollius chinensis Bunge is one of the important ornamental and medicinal plants cultivated in China. In this
study, the tetraploid plants of Trollius chinensis were successfully induced by colchici...
研究了苏云金芽孢杆菌Bacillus thuringiensis HBF-1菌株对10日龄铜绿丽金龟Anomala corpulenta和黄褐丽金龟A.exoleta幼虫存活率、拒食、抑制生长及取食选择性的影响。结果表明,随着感染剂量的增大和感染时间的延长,两种金龟子幼虫的存活率均下降,对铜绿丽金龟幼虫的拒食作用和生长抑制作用增强,使该幼虫对饲料的选择性增强。感染7 d时,对黄褐丽金龟幼虫的LC5...
大豆疫霉根腐病抗性研究进展
大豆 Phytophthora sojae 疫霉根腐病 抗病性 抗性位点基因
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2016/7/22
大豆疫霉根腐病由卵菌大豆疫霉菌（Phytophthora sojae）侵染引起，是一种大豆生产上危害非常严重的病害。大豆对疫霉菌的抗性表现有2种，一种是由单位点显性基因Rps控制的完全抗性，对大豆疫霉菌小种具有特异性，另一种为多基因控制的部分抗性，由数量性状位点控制，对所有大豆疫霉菌小种具有广谱抗性。迄今已定位、鉴定了26个单位点Rps基因，分别分布在第2（1个）、3（12个）、10（1个）、...
Delayed Glyphosate Application for No-Till Fallow in the Driest Region of the Inland Pacific Northwest
Low precipitation zone plant competition soil water storage
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2015/12/23
Farmers typically use three applications of glyphosate to control weeds in no-till fallow. Some are now
experimenting with an unconventional modification to this widely used approach. This modi...
Upgrading the RIM Model for Improved Support of Integrated Weed Management Extension Efforts in Cropping Systems
Adoption agriculture bioeconomics decision support system
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2015/12/23
RIM, or ‘‘Ryegrass Integrated Management,’’ is a user-friendly weed management software that
integrates long-term economics. As a model-based decision support system, RIM enables users to
easily bui...
Overcoming Weed Management Challenges in Cover Crop–Based Organic Rotational No-Till Soybean Production in the Eastern United States
Reduced-tillage organic
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2015/12/23
Cover crop–based organic rotational no-till soybean production has attracted attention from farmers, researchers, and other
agricultural professionals because of the ability of this new system to enh...
Extreme Grain-Based Cropping Systems: When Herbicide-Free Weed Management Meets Conservation Tillage in Northern Climates
Blade roller fl exible crop production syste low-input cropping system
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2015/12/23
The challenges associated with the adoption of conservation tillage and/or low-input cropping systems, whether organic or
herbicide-free, across Canada are shaped by scale, environment, and local pra...
Light-Activated, Sensor-Controlled Sprayer Provides Effective Postemergence Control of Broadleaf Weeds in Fallow
Chemical fallow herbicide efficacy herbicide resistance synthetic auxins winter wheat
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2015/12/23
A study was conducted in summer fallow fields near Davenport, WA, and Pendleton, OR, in 2007 and 2008 to evaluate the
POST weed control efficacy of herbicide treatments applied with a light-activated...
Assessing and Visualizing Agricultural Management Practices: A Multivariable Hands-On Approach for Education and Extension
Active learning cover crops ecosystem services multivariate multifunctional participatory spider plots
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2015/12/23
Agroecosystems are inherently complex, and practices aimed at managing one component of the system can have
unintended consequences for other components of the system. Management decisions, therefore...
Weed-Competitive Ability of Spring and Winter Cereals in the Northern Great Plains
Crop rotation cultural weed control integrated weed management wheat barley
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2015/12/23
The inclusion of winter cereals in spring-annual rotations in the northern Great Plains may reduce weed populations and
herbicide requirements. A broad range of spring and winter cereals were compare...
菠萝中找到调控植物光合作用“开关”
热带植物基因 菠萝 福建农林大学
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2015/11/4
福建农林大学2015年11月3日在此间发布，2015年11月2日，国际权威学术刊物《自然·遗传学》在线发表了该校明瑞光教授团队的研究成果“菠萝基因组与景天酸代谢光合作用的演化”。该项研究在全世界首次破译菠萝基因组的基础上，首次阐明了菠萝中的景天酸光合作用基因是通过改变调控序列演化而来，并且受昼夜节律基因的调控，从而找到景天酸代谢植物的“光合开关”。这是国内破译的首个热带植物基因组。
研究揭示微丝调节水稻形态发育机制
微丝 水稻 细胞
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2015/11/4
中国农业科学院作物科学研究所作物功能基因组学创新团队发现，微丝结合蛋白Villin2（VLN2）通过调节微丝的动态变化，会影响细胞膨大、生长素极性运输以及水稻的生长发育。相关成果日前发表于《植物细胞》杂志。该所博士吴盛阳为论文第一作者，教授万建民为论文通讯作者。
微丝是一种细胞骨架，它通过动态变化调节众多细胞过程。研究表明，微丝会参与到细胞减数分裂、有丝分裂、囊泡和细胞器运动以及细胞生长等过程。...
中国科学院遗传与发育生物学研究所合作研究发现植物免疫新机制（图）
中国科学院遗传与发育生物学研究所 植物免疫
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2015/9/11
植物通过细胞表面免疫受体识别来自于病原微生物的分子，激活天然免疫；而病原微生物通过向植物细胞分泌效应蛋白，这些蛋白往往通过翻译后修饰宿主蛋白，抑制天然免疫反应；植物通过进化，利用动植物中保守的、定位于胞质的NLR类型的免疫受体识别效应蛋白，重新激活免疫反应。研究胞内免疫受体识别病原微生物效应蛋白的分子机制不仅有助于理解植物与病原微生物间的进化关系，还能为研究动物天然免疫机理提供线索。
陈深，副研究员，博士。广东农业科学院植物保护研究所水稻病害防控研究室科研人员，主要从事水稻抗病基因的挖掘、克隆及其育种应用研究。2010年被列为国家现代农业产业技术体系岗位科学家后备培养人才。2012年入选珠江科技新星。主持国家自然科学基金、广东省自然科学基金和广州市科技计划等项目7项，参加国家“863”、国家自然科学基金、国家公益性行业专项和国家转基因重大科技专项等项目20多项。发表科技论文20...