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- Please discuss the disease cycle of potato late blight. 简述马铃薯晚疫病中心病株的意义和防治要点。
- He says it is possible to grow potatoes that resist late blight. 他说,种植能够抵抗晚疫病的马铃薯是可能的。
- Mancozeb M-45 and iprodione could be used to replace mancozeb in controlling tomato grey mould and late blight. 大生M-45和扑海因在防治番茄灰霉病和晚疫病时,可用来替代代森锰锌;
- Pests and diseases are a major problem: as much as 4 million tonnes are lost annually to Colorado beetle, late blight and viruses. 病虫害是一个主要问题:每年因科罗拉多甲虫、晚疫病和各类病毒而损失的马铃薯多达400万吨。
- Tomato late blight disease is a worldwide fatal disease for vegetable production,often break out, and cause great crop loss. 番茄晚疫病是一种毁灭性的世界蔬菜病害,易暴发成灾,给番茄生产带来巨大损失。
- The selected genetic resources with high yield, resistance to late blight, viruses and other diseases, nice tuber quality and stockpile were utilized in breeding. 经筛选出的资源材料其基因类型丰富,具有属高抗晚疫病、毒病以及抗其它病害,丰产性强,食口及加工品质好,耐贮、眠性浅等不同特性,有相当利用价值,可进一步探索和应用。
- According to regression equation(Y=31.66-0.18X) based on DPS, it can indicate that if rainfall increase 1mm, attack date of Late blight will ahead 0.18d. 利用DPS数据处理系统建立了回归方程Y=31.;66-0
- Tests in both lab and fields indicated that metalaxyl resistant isolates appeared and the effectiveness of metalaxyl on late blight disease were weakened. 室内菌株测定和田间试验,均证明抗瑞毒霉菌株的存在,导致瑞毒霉防效降低,但是它的复配药剂瑞毒霉锰锌仍保持很高的防效;
- At present, the germplasm of drought tolerance, disease resistance (especially to potato late blight Phytophthora infestans), and early-maturity is more critical for breeding. 目前,为了育种,本中心优先收集抗旱、抗病(特别是晚疫病)、早熟的资源。
- The most common used DNA molecular marker techniques, RFLP, RAPD, AFLP and SSR, and the uses of these markers in the research with regard to late blight in potatoes were introduced in this paper. 重点介绍了四种常用的分子标记技术RFLP、RAPD、AFLP和SSR,以及国内外利用这些标记技术在马铃薯晚疫病研究中的应用。
- A study was conducted on 22 crosses from 10 varieties including mira variety to evaluate 7 main characters of plant in the first clonal year potato crops. The results indicated additive genetic effects of parents for late blight were 90.6? %. 通过对mira等10个马铃薯品种的22个杂交组合无性一代的植株生长势等7个植株性状的群体遗传参数和配合力效应的研究,结果表明:晚疫病抗性的亲本加性遗传效应达90 6%25;
- The difference of general combining ability (GCA) and specific combining ability (SCA) among varieties were highly significant. Wva700 and L3708 which showed excellent GCA were high value parent for late blight resistant. 供试品种间一般配合力和特殊配合力存在极显著差异,Wva700,L3708具有较高的一般配合力效应,二者在配制抗性组合时是较为优良的杂交亲本。
- In recent years, under the help of the international food agriculture development organization, ChongQing city fetch in the late blight forecasting system of CARAH center(the Centre for Applied Research Agriculture Hainaut) in Belgium. 近年在国际粮农开发组织的帮助下,重庆市引进比利时的CARAH中心(Centre for AppliedResearch Agriculture Hainaut)研制的预警预报系统,通过对大气的温、湿度条件,晚疫病感染程度,施药量及时间为参数,用计算机模拟计算出最佳施药量和时间,以求针对性施药;
- Scientists at Cornell University recently borrowed a gene from a South American potato to make potatoes that resisted the late blight fungus a devastating disease that caused the Irish potato famine. 最终,植物培育者将能通过访问全球数据库找到可适应某一地区特殊气候挑战的基因种子,如秸秆能够抵抗暴风雨的玉米或是消耗水份较少的小麦。
- In order not to be late, she cut across the fields. 为了不迟到,她抄近路穿过田野。
- Potato late blight prediction system based on BP NN 基于BP神经网络预测的马铃薯晚疫病预测系统
- Research Progress in Tomato Late Blight 番茄晚疫病研究进展
- Control of Late Blight in Potato 马铃薯晚疫病的防治
- These beetles are a blight to cotton. 这些甲虫是棉花的大害。
- It irks us to wait for people who are late. 等候迟到的人使我们厌烦。