查询词典 pod blight

Caused by Peperomia tetraphylla southern blight. The disease samples showing typical symptom were collected and pathogen was isolated based on Koch's rule. The biological characteristics of the pathogen were conducted, and 5 fungicides were selected and used for controlling the disease.

方法］采集具有典型症状的病害标本，根据柯赫氏法则分离病原物，并分别测定不同的温度、湿度、pH值以及碳氮源和光照对该病菌菌丝生长和菌核萌发的影响，同时，测试5种杀菌剂在3种不同浓度下对病原菌的抑菌作用。

It was indi-cated that compound Ⅳ and Ⅴ possess antitumor activity. The〓 of 〓 and 〓 was 7.85 and 7.45 μg/mL respectively to〓 compound Ⅳ,Ⅴ and Ⅶ show pesticidal activity. The inhibi-tory effect of compound Ⅶ(2) was 1OO% to Barnyardgrass,and 100% to Rice Sheath Blight.

表明化合物Ⅳ、Ⅴ具有一定的抗癌活性（如Ⅳ(1)及Ⅴ(2)，对人白血病细胞株〓的〓分别为7.85和7.45ug／ml，化合物Ⅳ、Ⅴ及Ⅷ具有一定的农药活性（如Ⅷ(2)在50ppm时对水稻纹枯菌的抑制率为100%，对稗草的抑制率（100ppm为100%。

In addressing the heterogeneity factor, this paper will use Logistic regression, the Beta-binomial model the Williams method arid GLMM to analyze the secondary data collected at the incidence of Downy mildew on grapes and Phomopsis leaf blight on strawberrys. Also, there will he a thorough discussion on the advantages and disadvantages among the different model approaches according to -2 Res Log Likelihood, AIC, BIC and residual plots.

本研究旨在探讨病害发生率的研究中，以层次取样法进行抽样，并以实际资料葡萄露菌病和草莓叶枯病的病害发生率为例，藉由计算离势参数、-2 Res Log Likelihood、AIC、BIC和绘制残差图，比较逻辑斯回归、贝他－二项模式、威廉斯模式与广义线性混合模式四种模式对资料进行配适情形，来探讨这些方法克服过度离势的能力并比较其优劣。

Late blight, caused by Phytophthora infestans, is most devastating disease of crops worldwide, in particular for potato.

由致病疫霉Phytophthora infestans引起的晚疫病是全球第一大作物病害，对马铃薯生产危害非常严重。

Aggregate score repositories may be a blight on the pimply countenance of games journalism, but they may also be able to tell us something about the ...

总计分数存放可能成为疫病对pimply国家进行的游戏新闻，但他们可能还可以告诉我们一些有关。。。

Professor Putricide has been holed up in his foul laboratory, experimenting and refining increasingly lethal strains of blight to be used against us.

教授在他那肮脏的实验室中，不停的做着实验以纯化出日益致命的荒芜毒气来对抗我们。

Wilcox M D Genetic variation and inheritance of resistance to Dothistroma needle blight in Pinus radiata New Zealand Journal of Forestry Science , 1982,1

周志春 马尾松生长和材性的地理遗传变异及最优种源区的划定林业科学研究， 1993，5

On this fiftieth anniversary of the Convention, the international community must rededicate itself to the eradication of this recurring blight.

在人权公约五十周年之际，国际社会应重新致力于消除这种反复发生的恶劣行径。

And the Si peak value and content of 91SP\'s leaf sheath inside were more than those of Lemont obviously. After being inoculated with R.solani, the sheath blight occurrenced in 91SP and Lemont, but hypha on surface of siliceous cells were few, the hypha number of 91SP\'s leaf sheath inside were obviously less than Lemont, and sclerenchymatous cell\'s wall thickness of Lemont leaf in Si+ rice plants was about 2 times to Si- rice plants.

接种纹枯病菌后，两个水稻品种91SP和Lemont均发病，但两个品种硅化细胞表面菌丝却很少，抗病品种91SP叶鞘内侧菌丝数目明显比感病品种Lemont少，Lemont施硅处理的叶片厚壁细胞的胞壁厚度是缺硅处理的2倍左右。

The feature of floation and sink,and ultramicro structure of sclerotia of rice sheath blight fungus ,and structure difference of sclerotia formed under different ecological conditions were studied in this paper.

研究水稻纹枯病菌核的浮沉现象与超微结构的关系及不同生态条件下的菌核结构的差异性。

Those who loved reading were obliged to send for their books from England; the members of the junto had each a few

那些喜欢看书的人就得从英国购书，讲读俱乐部的的成员每人都有几本。

Three fourths of the earth's surface is covered with water.

地球表面的四分之三被水覆盖着。