查询词典 leaf spot

In summary, Difenoconazole 10% WP, Propiconazol 25% WP, DiLiKang 12.5% WP, procymidone 50% WP and thiram 50% WP these 5 kinds can be applied in the prevention and treatment of cotton leaf spot.

综合8种杀菌剂对棉花叶斑病致病菌的抑菌效果来看，认为10%世高可湿性粉剂、25%丙环唑乳油、12.5%敌力康可湿性粉剂、50%速科灵可湿性粉剂、50%福美双可湿性粉剂等5种药剂都可以在棉花叶斑病的防治中加以应用。

The types of latent virus pathogens in five principal apple culti- vats such as Starking/Golden Delicious/Qin Crown Apple/ Rails/Red Fujica in Shaanxi and Gansu Province were identified during 1984— 1985,whose results were as follows:these principal apple cultivars usually carried Apple Chlorotic Leaf Spot Virus,Apple Stem Pitting Virusand Apple Stem Grooving Virus.

1984—1985年对陕西、甘肃的红星、黄元帅、秦冠、国光和红富士五个苹果主要栽培品种，进行潜隐病毒毒源种类鉴定，其结果是：这些主要栽培品种都普遍带有苹果褪绿叶斑病毒、苹果茎痘病毒和苹果茎沟槽病毒。

The research aimed to determine the pathogen caused by the leaf spot disease of ornamental pineapple, and screen effective fungicides.

［目的］为了明确引起观赏凤梨叶斑病的病原和选择有效的药剂进行防治。

The Corynespora leaf spot of Salvia splendens was found in the screenhouses covered with black plastic shade nettings for cultivating ornamental plants in the Institute of Hangzhou Agricultural Sciences.

一串红Salvia splendens叶斑病被发现在杭州市农科所栽培花卉的遮阳网大棚中，是由棒孢霉属真菌侵染引起的。

Cucumber target leaf spot is a serious disease in greenhouse in Shandong province.

对黄瓜棒孢叶斑病在山东省的为害、症状特点、生物学特性以及病原菌的鉴定进行了研究。

Pathogenicity of 83 Curvularia isolates including 76 isolates from corn and 7 isolates from other hosts were tested in seedling and adult stage of corns. Among these species based on morphology, C. lunata, C. pallescens, C. lunate var. aeria, C. clavata and C. ovoidea could cause the typical Curvularia leaf spot symptom that lesions are grayish spots up to 1mm in diameter appear in the centers and straw-colored or chlorotic halos may surround the lesions.

以上方面的研究结果表明：通过形态鉴定，来自玉米弯孢菌叶斑病病害标样中的148株弯孢菌被鉴定为9个种和1个变种，即新月弯孢菌、苍白弯孢(C.pallescens)、新月弯孢菌气生变种(C.lunata var.aeria)、棒弯孢、C.ovoidea、不等弯孢(C.inaequalis)、塞河弯孢(C.senegalensis)、香茅弯孢(C.cymbopogonis)、Curvularia sp〓和Curvularia sp〓。

At the same time, we carried on to observe the pathogenic plant disease symptom characteristic in detail. 3. In lab,experimental result expressed that Difenoconazole 10% WP and Propiconazol 25% EC have the highest control effect, wheras Carbendazim 98％ WP and metalaxyl 25% WP almost can not repress development of cotton leaf spot pathogens.

室内药剂筛选试验研究表明，25%丙环唑乳油、10%世高可湿性粉剂对棉花叶斑病致病菌具有很好的抑菌效果，这两种杀菌剂的作用效果普遍高于其它药剂，是较为理想的化学防治药剂；98％多菌灵可湿性粉剂和25%甲霜灵可湿性粉剂，抑菌效果不理想，对病原菌生长的抑制作用普遍不明显。

After pathogenic fungi identified,we found 26 of them can cause cotton leaf spot. The 26 pathogenetic strains were carried out morphological and molecular identification of the firm. The initial identification of the pathogens is through the morphological observation such as the determination of growth, colony morphology, conidia and conidial stalk.

通过对生长量的测定，菌落形态，分生孢子和分生孢子梗等形态学观察进行形态学鉴定；通过PCR扩增真菌核糖体基因转录间隔区序列并测序，并将序列在GenBank上进行同源性比对和构建系统系统发育树等方法进行分子鉴定，鉴定出这26株真菌分属链格孢属、镰孢属、黑孢属、刺盘孢属、匍柄霉属等5个属。

Grape leaf spot is an important disease and there is a certain degree of difficulty in chemical control.

葡萄褐斑病是葡萄生产中的重要病害，其化学防治具有一定难度。

In the paper the pathogen, symptom and biological characteristics of maize leaf spot were studied.

对玉米交链孢叶枯病的病原、症状、生物学特性等进行了初步研究。

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