Therefore, infected by pathogen directly and treated with biotic elicitors both can induce the phytoalexins effectively.

因此，不论用病原菌直接侵染还是用生物诱导子外源处理植物生体，都能有效诱导植保素的生成。

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Systemic acquired resistance (SAR), known as broad-spectrum, inducible plant immunity, is a defense response triggered by pathogen infection.

植物系统获得抗性(SAR)，是植物受到病原菌侵染后所激发的一种防卫反应。

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An intelligent instrument to predict the infection of pear leaves by pathogen of Venturia nashicola was designed based on 89C51 single chip and SHT15 smart temperature and humidity sensor.

以89C51为控制核心，采用SHT15智能温湿度传感器，设计了一种梨黑星病菌侵染测报器。

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Unheard of by most people, it is also the pathogen with the highest death rate, killing more than 500 Americans a year.

ECONOMIST: Food poisoning

More relevant to homeland security, DNA-based detection of biowarfare agents are currently used by the government to detect potential anthrax and other pathogen-based attacks.

FORBES: Nanotech Takes On Homeland Terror

Estimates of the number of dead run to the hundreds of millions world-wide and scores of millions in the U.S. If nature fails to deliver an epidemic, it is unfortunately easy for a highly trained terrorist, by genetic manipulation, to create a super-virulent pathogen with a nearly 100% rate of mortality.

WSJ: Our Blindness