英语释义

1. any of various plant diseases characterized by discolored often circular spots on the leaves

片语

leaf injury spot rate叶伤斑率

leaf yellow spot黄斑叶

leaf-spot type叶斑病类

lethal leaf-spot叶片坏死斑点

cotton leaf ascochyta spot棉叶斑病

grey leaf-spot灰斑病

leaf turcicum spot玉米大斑病

leaf brown spot叶褐斑病

英汉例句

• The leaf spot is one of important diseases in golf courses. It causes leaf spot and leaf blight on many species of grasses, and can influence sights and destroy quality of grasses.

  叶斑病是发生在高尔夫球场草坪上的一种重要病害，主要引起多种草坪草的叶斑和叶枯，严重影响草坪景观，破坏草坪质量。

• The pathogen was identified as cucumber target leaf spot according to Koch s Postulation and biological characteristics.

  根据柯赫氏法则和生物学特性，鑒定为黄瓜褐斑病，又叫靶斑病。

• Its leaf spot resistance is similar to the Tiandan2. It was registered as a new variety in 2004 by Heilongjiang Crop Committee.

  该品种抗褐斑病性与对照种相仿。2004年初通过黑龙江省农作物品种审定委员会审定命名。

• There were 14 Bacillus strains isolated from tea plant, which were tested to have strong antagonism to pathogens of tea leaf spot diseases.

  最终从茶树体内分离、筛选获得14株能对四种茶叶斑病菌拮抗作用强的芽孢桿菌菌株。

• The symptoms of leaf spot of Phoenix canariensis were observed.

  对加那利海枣叶斑病的癥状进行了观察。

• [Objective] The purpose was to discuss the flu disease status and medication effects of leaf spot disease and 「Ouxin」 disease of the Cymbidium longibracteatum under the cloudiness-shed condition.

  [目的]探讨春剑在阴棚条件下叶斑病和沤心病的感病状况及用药防治效果。

• Gray leaf spot of maize occurred suddenly in Fengqing County, Yunnan Province in the recent years.

  玉米灰斑病是凤庆县近年突然暴发流行的一种玉米叶部病害。

• Our research is about blueberry leaf spot disease in Dalian, Liaoning province of China.

  本文对发生在辽东地区的越橘叶斑病进行了相关研究。

• The purpose was to discuss the flu disease status and medication effects of leaf spot disease and 「Ouxin」 disease of the Cymbidium longibracteatum under the cloudiness-shed condition.

  探讨春剑在阴棚条件下叶斑病和沤心病的感病状况及用药防治效果。

• The analysis of genetic correlation indicated that there was a positive relation among the root yield, sugar content and sugar yield except Cercospora leaf spot resistance.

  遗传相关性分析表明，除褐斑病病情与根产量、含糖率及产糖量呈负相关外，其余3个性状间均呈正相关。

• The two SCAR markers would have important significance on increasing the efficiency of resistant breeding of the common leaf spot in Alfalfa.

  这两个SCAR标记对提高苜蓿褐斑病抗性育种的效率有很重要的意义。

• However, viruses were always inactivated in the same order: first apple chlorotic leaf spot virus (ACLSV), followed by apple stem grooving virus (ASGV).

  同时，不同病毒的被脱除率也不同，苹果褪绿叶斑病毒比苹果茎沟病毒更容易脱除。

• The results of this study 'can be used as reference to guide the integrated management of banana Sigatoka leaf spot disease in Hainan.

  本研究的鑒定结果对指导海南综合治理香蕉褐缘灰斑病的的实践有参考作用。

• A fungous leaf spot disease of the celery plant.

  芹菜的叶子上出现斑点。

• The corn curvalaria leaf spot occurred lightly and 20 corn species were divided into two kinds of type of disease resistanse of middle susceptibility and middle resistanse.

  弯孢霉叶斑病为轻发生，并将20个玉米品种划分为中感和中抗两种抗病类型。

• The results showed that leaf spot of P. canariensis mainly occurred on leaves and petioles.

  结果表明，加那利海枣叶斑病主要发生在叶片和叶柄。

• The control effects of 24% fenbuconazole SC on leaf spot disease of banana have been evaluated under field.

  进行24％腈苯唑悬浮剂对香蕉叶斑病的田间防治效果试验。

• A bacterial leaf spot on Clausena lansium(Lour)Skeels was observed at the cam- pus of South China College of Tropical Crops in recent years.

  近年来，华南热带作物学院校园内的黄皮树叶片发生一种细菌性叶斑病。

• The survey found that the most serious diseases were black mould of Leucaena spp. , anthracnose of Desmodium spp. , Tubercularia leaf spot of Glycine wightii spp. , and anthracnose of Arachis spp.

  为害较重的病害有银合欢黑霉病、山蚂蝗炭疽病、爪哇大豆瘤座孢叶斑病和野花生炭疽病等。

• Curvularia leaf spot of maize was a new maize disease that has arisen in north China recent years.

  玉米弯孢菌叶斑病是近几年我国玉米生产上发生的一种新病害。

• A new bacterial leaf spot of cucumbers was found in Jilin province under plastic or greenhouse condition.

  吉林省大棚和温室里发现一种新的黄瓜叶部细菌病害。

• Disease index of downy mildew index and bacterial angular leaf spot was 0.8 and 1.3, respectively.

  瓜商品性好，黄瓜霜霉病病情指数为0.8，细菌性角斑病，病情指数为1.3。

• The examining result by ELISA showed that the elimination rates of ASGV(apple stem grooving virus)and CLSV(chlorotic leaf spot virus)were over75%and100%.

  用酶联免疫吸附法检测结果表明，苹果茎沟病毒和褪绿叶斑病毒脱毒率可分别达到75%以上和100%。

• The effects of soybean frog-eye leaf spot on yield and quality were investigated with different disease degrees in leaf, pod and seed infection.

  采用不同病级病叶、荚、粒，研究了大豆灰斑病对大豆产量和品质的影响。