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Sp. cubense, indicating that the expression of M-PAL may be related to resistance of banana Fusarium wilt.

sp。 cubense race 4后大蕉叶片中M-PAL基因的转录谱进行研究表明,在接种枯萎病菌后,M-PAL基因在叶片中的转录水平提高,因此推测M-PAL基因的表达可能与香蕉枯萎病抗性相关。

Spore spray and hype double holes injection methods are used to evaluation some snap bean germplasms resistance to anthranthranose and Fusarium root rot during seedling.7 varities are high resistence to anthranthranose and 1 variety is high resistanee to Fusarium root rot.

采有喷雾接种法和下胚轴双孔注射法分别对部分菜豆种质资源进行炭疽病和枯萎病的抗性的苗期鉴定,从所供试的材料中筛选出高抗菜豆炭疽病材料7份,高抗菜豆枯萎病材料1份,为抗病育种奠定了基础。

The anti-microbial activity of active materials against valsa mail,fusarium oxysporum,coniothyrium diplodieua and aspergillus nidulans were measured in vitro.the results showed that active materials extracted using acetone,aether and petroleum ether presented fungistasis to different extent on the four pathogenic fungi and had the best effect to coniothyrium diplodieua.active material extracted using ethanol presented certain anti-microbial effect to fusarium oxysporum.the results also showed there were anti-microbial active material in the leaves of cichorium intybus and founded a base on the research and application.

然后以提取液为供试药剂,对苹果腐烂病菌、棉花枯萎病菌、葡萄白腐病菌、构巢曲霉病菌4种植物病原真菌进行离体活性测定。结果表明:丙酮、乙醚、石油醚的提取液对4种病菌均有不同程度的抑制作用,其中对葡萄白腐病菌抑制效果最好;乙醇的提取液对枯萎病菌具有一定的抑制作用。表明菊苣叶中存在抑菌活性成分,补充了菊苣抑菌活性的研究内容,为该种植物抑菌活性成分的研究和应用奠定基础。

The preliminary biological activity tests show that the title compounds have some fungicidal activities using Gibberella zeae, Rhizoctonia solani, Fusarium oxysporium and Sclerotinia sclerotiorum as the target fungus, but all of them have poor fungicidal activity to Fusarium oxysporium.

生物活性测试结果表明:所合成的目标化合物对受试菌种小麦赤霉病菌,水稻纹枯病菌、棉枯萎病菌和油菜菌核病菌均表现出一定的抑制活性,但对棉枯萎病菌的抑制活性均较差。

Such as: cotton wilt, Verticillium wilt, damping-off, wheat, corn, stiff Miao, Miao Huang, yellow leaves, the yellow leaves of fruit trees, anthrax, early defoliation disease, melons, vegetables Peronospora class , leaf molds, spreading litter, Pseudomonas, keratophyre, withered, anthrax, the disease, black rot, soft rot, peanuts, legumes, such as stem blight significant effect.

棉花的枯萎病、黄萎病、立枯病,小麦、玉米的僵苗、黄苗、黄叶、烂秧,果树的黄叶、炭疽病、早期落叶病,瓜菜类的霜霉、叶霉、蔓枯、青枯、角斑、枯萎、炭疽、疫病、黑腐、软腐,花生、豆类的死苗、茎枯病等有显著的防治效果。

Studies on Pathogenic Species of Pythium from Cool-season Turfgrasses in Zhejiang Province;2. The results indicated that the main turfgrass diseases were brown patch, pythium and fuarium diseases.

对北京市海淀区部分草坪的病害种类调查表明:草坪的病害主要是由丝核菌属、腐霉菌属、镰刀菌属引起的褐斑病、腐霉枯萎病和镰刀枯萎病。

On the inhibition to mycelial growth, the 95% ethanol extract had significantly inhibition to P. ultimum, F. oxysporum f. sp cucumber, R. solani and B. cinerea, and at the top treatment concentration of 0.002 g/mL, the inhibition rate reached to 60.32% 58.50%, 55.89% and 55.17%, respectively; But the 95% ethanol extract almost had no inhibition to S. rolfsii, its rate was just 17.19% at 0.002 g/mL.③On the inhibition to sprouting, the 95% ethanol extract had significantly inhibition to B. cinerea, R. solani, F. oxysporum f. sp cucumber and P. ultimum, and at the top treatment concentration of 0.002 g/mL, the inhibition rate reached to 95.24%, 90.48%, 89.47% and 85.71%, respectively; and the rate would exceed 40% to four fungi mentioned above when their concentration was not lower to 0.005g/mL. The 95% ethanol extracthad infirm inhibition to S. rolfsii, its rate was just 43.48% at 0.002 g/mL.

在抑制菌丝生长方面,鱼腥草95%醇提物对豌豆根腐病菌、黄瓜枯萎病菌、马铃薯立枯丝核病菌和大白菜灰霉病菌均有良好的抑制作用,在最高处理浓度为0.002 g/mL时抑制率分别达到60.32%、58.50%、55.89%和55.17%;对辣椒白绢病菌几乎没有抑制作用,在最高处理浓度为0.002 g/mL时抑制率仅为17.19%;③在抑制孢子萌发方面,鱼腥草95%醇提物对大白菜灰霉病菌、马铃薯立枯丝核病菌、黄瓜枯萎病菌和豌豆根腐病菌抑制效果明显,在最高处理浓度为0.002 g/mL时的抑制率分别达到95.24%、90.48%、89.47%和85.71%,且在处理浓度不低于0.000 5 g/mL时对以上4种真菌孢子的抑制率超过40%;对辣椒白绢病菌抑制作用较弱,在最高处理浓度为0.002 g/mL时仅为43.48%。

Vascular wilt caused by Fusarium oxysporum Schlecht has been a serious disease in South China, especially banana vascular wilt is fatal disease to banana industry.

华南地区因尖镰孢菌引起的枯萎病发生较为严重,特别是近年来发现的香蕉枯萎病,对香蕉产业来说更是毁灭性的病害。

Through the field test and indoor research for about 3 years, it was found that the occurrence of cotton Fusarium wilt had close relationship with the climate condition in Xinjiang. when temperature was about 20℃, disease index developed very quickly. when temperature was above 24℃, disease index would reduce. With temperature dropping by the end of July and at the beginning of August, disease index would raise again.

通过田间试验和室内研究发现,新疆棉花枯萎病的发生与气候有十分密切的关系,在地膜植棉的情况下,当气温达20℃左右病指上升最快,气温达24℃以上则很快进入高温隐症期;7月下旬或8月上旬随温度下降,病情又有回升,故枯萎病在新疆也有两个明显的高峰期,只不过因地膜植棉发病期明显提前而已。

With the extend of planting areas ,cucumber wilt become a severe disease all over the world to affect badly output and quality of cucumber. The output reduction in cucumber gives amount to 35%~50% every year because of the occurrence of the disease.

随着栽培面积的不断扩大,尤其是保护地温室和塑料大棚等黄瓜的大面积发展,土壤含菌量逐年累积,致使黄瓜枯萎病的发生日趋严重,每年因为枯萎病的发生造成的黄瓜减产率高达35%~50%。

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