查询词典 fungicidal

The preliminary bioassay showed that all compounds had certain fungicidal and insecticidal activities. The inhibition rates of compounds 5f and 5h were above 95% against Colle-totrichum gossypii at 100 mg/L, and the mortality rates of compounds 5g and 7d were above 85% against Tetranychus urticae at 250 mg/L.

初步生物活性测定结果表明，在试验浓度下，目标化合物均具有一定的杀虫和抑菌活性，其中化合物5f和5h在100 mg/L浓度下对炭疽病菌的抑制率达95%；化合物5g和7d在250 mg/L浓度下对棉红蜘蛛的致死率达85%。

The twenty three N-acylalanines which have unsimilar structures and different stereoisomers were used for general, preliminary and second screening tests of fungicidal activities for above four fungi.

最终获得的23种具有不同结构，不同旋光异构体的化合物，再以上述四种致病菌为防治对象，进行了杀菌活性的普筛、初筛和复筛试验。

The bioassay indicated that some of them possess certain fungicidal activity against Botrytis cinerea, Gibberlla zeae, Rhizoctonia solani, Venturia nashicola at a dose of 50 μg/mL. The EC50 value of title compounds B-8、B-9、B-10、B-12 was reached 1.0, 0.2, 1.2 and 0.4 μg/mL against B. cinerea, the effect was approximated or better than pyrimethail and EC50 value of title compounds B-8, B-10, B-11 was reached 0.07, 0.2 and 0.05 μg/mL against G. zeae, the effect was better than carbendazim.

在50μg/mL浓度时，该系列化合物对番茄灰霉病菌Botrytis cinerea、小麦赤霉病菌Gibberlla zeae、水稻纹枯病菌Rhizoctoniasolani、梨黑星病菌Venturia nashicola菌丝生长均具有很好的抑制活性，其中化合物B-8、B-9、B-10、B-12对番茄灰霉病菌的EC50值分别为1.0、0.2、1.2、0.4μg/mL，接近或优于对照药剂嘧霉胺，B-8、B-10、B-11对小麦赤霉病菌的EC50值分别为0.07、0.2、0.05μg/mL，优于对照药剂多菌灵。

In order to search for new types of highly active and low toxic pesticides, we considered alternaric acid as a lead compound and considered 5, 6-dihydro-2H-pyran2, 4-diones as a patent structure, designed and synthesized seven series of 5, 6-dihydro2H-pyran-2, 4-diones derivatives, tested their fungicidal, herbicidal and tobacco virucidal activities.

为了寻找高效低毒的农药品种，以交链孢酸为先导化合物，以5，6-二氢-6-烷基-2H-吡喃-2，4-二酮的结构为母体结构，设计并合成了七个系列的2，4-吡喃二酮化合物，用〓H NMR、〓C NMR、质谱和元素分析证明了其结构，并测试了部分化合物的杀菌、除草和抗烟叶病毒的活性。

The bactericidal, fungicidal and virucidal activity of chlorine dioxide (CIO2) against 79 bacteria, 31 yeasts and 4 viruses were evaluated under clean and dirty conditions. The safety of CIO2 to chickens given by drinking water or skin spraying was also evaluated.

本试验进行二氧化氯(CIO2)在乾净水中和污浊水中分别对79株细菌和31株酵母菌和4株病毒的杀灭力及以饮水或喷洒方式投予鸡只CIO2之安全性评估。

LS-1 was exploited from water extracts of several kinds of botanical mixture such as Light-yellow Sophora, Fructus Xanthii, Monnier's Snowparsley,etc.. LS-1 was made up on the base and carried out studies of fungicidal activity, Scope of inhibitory fungi, filtering adjuvant, period of preserving efficiency, stability of LS-1, effect of crop growth, control effect of Tomato Leaf Mould had been studied.

在单剂筛选的基础上，利用几种中、草药如苦参、苍耳子和蛇床子等配制成中草药复合制剂LS-1，研究了LS-1抑菌范围、助剂筛选、持效期、药效稳定性及对作物生长的影响，并进行了番茄叶霉病田间的防治效果试验。

The crude extracts of Sophora flavescens Ait were bioassayed by using growth-rate and pendant-drop methods for their fungicidal potential against six plant fungal pathogens at different concentrations.

采用生长速率法和悬滴法室内测试了不同浓度苦参提取物对葱菌核菌、番茄早疫菌、菜豆根腐菌、辣椒枯萎菌、黄瓜枯萎菌、茄子黄萎菌等6种蔬菜病原菌的抑菌活性。

Perliminary bioactive tests showed that most compounds exhibited moderate fungicidal and insect flight inhibitory activity. Benzoylthiourea compounds showed quickly inhibit activity to armyworm.

生测结果表明，所合成的化合物具有一定的昆虫飞行抑制能力和较好的杀菌活性，部分含氟的苯甲酰硫脲化合物具有速杀的杀虫活性。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失