Fusarium oxysporum f.sp.batatas

to increase sweet potato′s resistance to Fusarium oxysporum f.

结果表明:接种芽孢杆菌菌株后,甘薯蔓割病病原菌含量下降,同时甘薯叶片的MDA含量也降低,植株的活性氧保护酶系统代谢水平提高;但处理组的甘薯叶片活性氧保护酶系统代谢水平下降。

The paper investgates the effect of extracting temperature, extracting time,and material-medium-rade on extraction of polysaccharides from stem of sweet potato with orthogonal design.

通过正交实验研究了甘薯茎蔓多糖水提过程中提取温度、时间和提取用水量对提取物得率的影响,选出了较为理想的提取条件,即加40倍水,在100℃下浸提25min,得率4 82%。

Fusarium oxysporum Schlecht.

结果表明,两品种接种蔓割病菌后植株体内总酚、类黄酮、木质素、绿原酸、阿魏酸等含量都有提高,但抗病品种比感病品种酚类物质的积累速度快、保持较高浓度的时间长,从而更有利于抵抗病原菌侵染。

Effects of fusarium wilt on growth and relative physiological indices in different varieties of sweet potato;

蔓割病对不同抗性甘薯品种生长及相关生理指标的影响

Effect of fusarium wilt fungus-infection on photosynthesis of sweet potato;

甘薯蔓割病病原菌的侵染对甘薯光合作用的影响

A preliminary study on inheritance of fusarium wilt resistance of sweet potato cultivars;

甘薯抗蔓割病的遗传趋势探讨

Two new high yielding and good quality sweet potato varieties "97-10" and "99-12"with resistance to Ralstonia solanacearum and Fusarium oxysporum were bred by using the crude toxins of the two diseases as selection pressure.

多年多点室内和田间测定结果表明,"97-10"和"99-12"对青枯病和蔓割病的抗性均达抗至中抗水平,均高于福建省当家品种"金山57"和蔓割病抗病品种"福薯2号"的抗性,更大大高于对照品种"新种花"的抗性。

The molecular research advances of sweet potato virus

甘薯病毒的分子生物学研究进展

The sweet potato viruses and the techniques to get virus-free sweet potato was studied in 1988 - 1995.

作者于1988～1995年研究了甘薯病毒及甘薯脱毒技术,明确了侵染山东甘薯的主要病毒种类是甘薯羽状斑驳病毒和甘薯潜隐病毒,在国内首次分离出侵染甘薯的烟草花叶病毒,探明了其生物学特性。

Studies on Phenolics Metabolism in Sweet Potato Infected by Fusarium Oxysporum Schlecht.f.sp.;

甘薯抗蔓割病的酚类物质代谢的研究

In Vitro Screening of Fusarium Oxysporum Toxin-Resistant Mutants and Transfromation with Chitinase Gene in Sweetpotato;

甘薯抗蔓割病突变体的离体筛选及几丁质酶基因导入研究

The delegates also discussed research on male circumcision as a possible way to reduce the spread of HIV.

代表们还讨论研究了如何男性割礼,以减少艾滋病毒的蔓延。

We tried hard to check the spread of the disease.

我们努力制止这种疾病的蔓延。

The news of the epidemic struck terror into the population.

流行病蔓延的消息使居民感到恐慌.

likely to spread and cause an epidemic disease.

有可能蔓延或引发流行病的。

It was like a sickness spreading within him.

它象一种疾病在他的躯体里蔓延开来。

The disease has increased with the spread of ADIS and drug resistance forms of tuberculosis.

随着Adis疾病的蔓延,形成抗药性肺结核。

Last week, Prime Minister Thaksin Shinawatra confirmed that the virus had entered his country.

上周，泰国总理证实病毒已在泰国蔓延，

This advertising aimed at curbing the spread of AIDS.

这则广告旨在抑制艾滋病的蔓延。

the spread of disease, knowledge, education

疾病的蔓延、 知识的传播、 教育的普及

An outbreak of a contagious disease that spreads rapidly and widely.

流行传染病的迅速广泛传播和蔓延

Attempt is being made to arrest the spread of the disease.

现正设法遏止这种疾病的蔓延。

Attempts are being made to arrest the spread of the disease.

现正设法遏止这种疾病的蔓延.

Doctors try to stop the spread of diseases.

医生努力制止疾病的蔓延。

The newly developed drug has arrested the spread of the disease.

这种新药遏止了疾病的蔓延。

The new drug arrested the spread of the disease.

这种新药阻止了疾病的蔓延。

The Gray Prediction Model for the Spread Period of Schistosomiasis

血吸虫病蔓延周期的灰色预测模型