生防细菌B579与多菌灵协同防治立枯病的效果初探   总被引：1，自引：0，他引：1  

杨秀荣  孙淑琴  田涛 《山东农业科学》2011,(11):83-85

多菌灵对立枯丝核菌（Rhizoctonia Solani）具有较强的抑制作用,且该药剂在10μg/ml浓度下对生防细菌B579生长无影响。通过多菌灵与生防细菌B579协同作用的室内生测及室外盆栽试验,表明该混剂能够有效地防治蔬菜苗期立枯病,且在2 000倍浓度下防效达87.3%。  相似文献   

巴西橡胶树树根组织培养外植体消毒研究   总被引：2，自引：0，他引：2  

姜泽海  周权男  李哲 《安徽农业科学》2011,39(17):10127-10129

[目的]寻找一条降低橡胶树树根组织培养中外植体污染的有效途径。[方法]对巴西橡胶树树根进行组织培养,取林段断根处理30d后的新根为外植体,采用1g／L多茵灵、0．1％HgCl2和不同浓度益培隆对其进行了消毒试验。[结果]在常规消毒前先采用1g／L多茵灵对外植体处理2．5h,再用75％乙醇消毒308及0．1％HgCl：消毒6min,然后接种到添加0．1％益培隆的固体愈伤诱导培养基上,培养30d后外植体污染率下降至44．59％,存活率达25．60％。[结论]为降低橡胶树树根组织培养中外植体污染提供了理论依据。  相似文献   

Efficacy and effects on yield of different fungicides for control of wet bubble disease of mushroom caused by the mycoparasite Mycogone perniciosa     

Francisco J. Gea  Julio C. Tello  María-Jesús Navarro 《Crop Protection》2010

Carbendazim, iprodione, prochloraz-Mn, thiabendazole and thiophanate-methyl were tested in vitro and in vivo for their effect on Mycogone perniciosa, the mycoparasite that causes wet bubble disease of white button mushroom. In vitro experiments showed that prochloraz-Mn (ED₅₀ = 0.006–0.064 μg ml⁻¹) and carbendazim (ED₅₀ = 0.031–0.097 μg ml⁻¹) were the most effective fungicides for inhibiting the mycelial growth of M. perniciosa, while iprodione (ED₅₀ = 1.90–3.80 μg ml⁻¹) was the least effective. The resistance factors calculated for the five fungicides were between 1.4 and 2. The results obtained suggest that there is very little risk that M. perniciosa will develop resistance to the fungicides assayed. The in vivo efficacy of fungicides for control of wet bubble was studied in two mushroom cropping experiments, which were artificially infected with two doses of M. perniciosa, 10⁶ and 10⁷ spores m⁻², respectively. There was, in the low dose inoculum experiment, a very high degree of effectiveness (96.5–100.0%) with all the fungicides assayed. However, iprodione performed poorly (20.5–24.4%) compared with the other fungicides (88.7–100.0%) in the high concentration inoculum experiment. The most effective treatments for controlling wet bubble did not improve the biological efficiency of Agaricus bisporus.  相似文献   

多效灵防治苹果树腐烂病试验     

刘书晓  殷秀玲 《天津农学院学报》1997,(3)

本试验对多效灵防治苹果树腐烂病进行研究．试验结果表明：多效灵５０倍液当年防效为１００％，次年防效为９０．１％；多效灵１００倍液当年防效为８３．５％，次年防效为７９．９％。均显著高于福美砷的防治效果。  相似文献   

新型杀菌剂治萎灵的研制与应用   总被引：2，自引：1，他引：2  

郭敦成  王清锋 《中国农业科学》1993,26(3):63-68

 以多菌灵为主体，以调整其油水分配系数为目的，添加水杨酸、冰醋酸等助剂复混而成的新型杀菌剂治萎灵，除了具有原多菌灵的广谱杀菌特性外，还具有速效、高效、长效和促进生长的特点。对棉花枯萎病菌的毒力是多菌灵的16.5倍，施药后10天即可见效，治疗效果为82.3%（对照多菌灵的治疗效果为56.2%），有效控制期可达60-80天。  相似文献   

国内多菌灵的研究进展   总被引：1，自引：0，他引：1  

魏中华  徐娟  郭明霞  石爱民  孙继政 《安徽农业科学》2015,(3):125-127,141

介绍了多菌灵的理化性质、在植物体内的残留情况、对微生物和动物的影响以及与其降解有关的因素,并对今后的研究方向进行了展望.  相似文献   

16％辛硫磷·多菌灵悬浮种衣剂高效液相色谱分析     

王立石  黄均伟  刘洪丽  陈有嗣  李江岩 《辽宁农业科学》2015,(3)

建立了一种高效液相色谱法同时测定16％辛硫磷·多菌灵悬浮种衣剂有效成分含量的分析方法。用Novapak C8不锈钢色谱柱,甲醇∶水∶四氢呋喃＝60∶40∶20（V ／V）为流动相,在254 nm 波长下对16％辛硫磷·多菌灵悬浮种衣剂进行定量分析。辛硫磷和多菌灵的线性相关系数分别为0．997和0．998,标准偏差分别为0．034和0．058,变异系数分别为0．422％和0．719％,平均回收率分别为99．2％和99．4％。该方法操作简便,快速,准确,是辛硫磷·多菌灵悬浮种衣剂中有效成分的理想检测方法。  相似文献   

Influence, optimization, energy budgeting and monetary considerations of different time intervals between fungicidal seed treatment and sowing on Sclerotium blight of soybean     

G.K. Gupta  Sushil K. Sharma 《Crop Protection》2009,28(10):854-858

Soybean (Glycine max (L.) Merrill) is susceptible to the fungal pathogen, Sclerotium rolfsii from seedling emergence to pod fill. A few systemic and non-systemic fungicides have been recommended as pre-sowing seed treatment (ST) for the management of Sclerotium blight of soybean worldwide. But farmers, especially in developing countries do not utilize ST mainly on account of preoccupation in other practices considered by them essential for sowing. The possibility of ST applied well in advance of sowing was therefore investigated. Results indicated that ST on average increased field emergence by 26.19%, reduced post-emergence mortality (POM) by 49.03% and enhanced seed yield by 23.00%. Seed treatment with carboxin 37.5% + thiram 37.5% @ 0.2% was the best. Seed treatment 50 days prior to sowing was superior by increasing emergence, reducing POM and enhancing seed yield with high monetary returns and energy output.  相似文献   

27;吡·福·多悬浮种衣剂的研制   总被引：7，自引：2，他引：5  

王锁牢  李广阔  王剑  郝彦俊  李号宾 《新疆农业科学》2005,42(3):165-170

介绍了27;吡·福·多悬浮种衣剂有效成分配比的室内筛选、助剂配方研究、主要技术指标和田间药效等.田间试验表明:27;吡*福*多悬浮种衣剂在试验剂量下对棉花出苗无不良影响,以1∶40～60的药种比例处理棉花种子,对棉花苗期病虫害(地老虎、棉蓟马、立枯病)具有较好的防效.  相似文献   

苹果轮纹病菌对多菌灵抗药性监测初报   总被引：19，自引：3，他引：16  

马志强  李红霞  袁章虎  张小风 《农药学学报》2000,2(3):94-96

苹果轮纹病 ( Macrophoma kawatsukai)是苹果产区重要病害之一[1 ] 。富士、金冠、元帅等品种历年发病较重 ,果实在采收期前后往往大量腐烂 ,造成很大的经济损失。以多菌灵为代表的苯并咪唑类药剂是防治该病最有效的内吸性杀菌剂 ,但是又具有高抗药风险性 ,病菌极易产生抗性使其失去防效。近期调查表明 ,河北保定郊区一些果园的轮纹病对该类药剂似有抗药性的迹象。但尚未见有关苹果轮纹病菌抗药性研究的报道。本研究的目的是筛选有效而简洁的测定苹果轮纹菌抗药性的方法 ,初步确定轮纹菌对多菌灵的敏感基线 ,为进一步查清苹果轮纹病菌的抗…  相似文献