black ash spot

Studies on the occurrence and sensitivity to the chemicals of black-dot disease of bagged apple;

套袋苹果黑点病发生规律及其对几种化学药剂的敏感性

Researches on black-dot disease of bagged apple in Shaanxi showed that the disease started in early July,become serious in the early and middle of August and reached peak by the end of August.

研究了陕西果产区套袋苹果黑点病发生规律。

It has been made clear that the occurrence regularity of black-dot disease of bagged apple in Shaanxi according to the experiments conducted from 2000-2003.

经过5年的研究,初步明确了陕西苹果产区套袋苹果黑点病的病原菌及病害的发生规律。

The Effects of Gene Type on the Occurrence of Petiole Spot in Chinese Cabbage and Resistance Varieties Screening;

基因型对大白菜小黑点病发生的影响及抗病品种筛选

To control the red and black scars on the surface of the apples by using plasfic film bags is to take the following comprehensive measures:strengthening the planting management,adding more fertilizer,increasing Ca in soil,improving the condition of wind and sun light between the trees,selecting non -static electricity plastic film bags,bagging in time,adjusting humidity in bags and bacterium from.

为提高套袋苹果果面红、黑点病的防治效果,进行了综合防治试验。

Molecular Identification of the Pathogen and Mechanism of Pathogenesis of the Black-spot Disease on Zizyphus Jujuba cv. Dongzao;

冬枣黑点病病原物分子鉴定与致病机理初探

Studies on Black-spot Disease of Zizyphus Jujube Mill Cv. Dongzao in Huanghua City of Hebei Province;

河北省黄骅市冬枣果实黑点病的研究

Studies on Petiole Spot in Chinese Cabbage and Its Physiological Basis of Disease Resistance;

大白菜小黑点病及其抗病生理基础的研究

Studies on the Relationship between Petiole Spots of Chinese Cabbage and Nitrogen Metabolism;

大白菜小黑点病的发生与氮素代谢关系的研究

Occurrence and Prevention, Cure of Black-Dot Disease on Bagged Apple of Fruits Producing Area in Shaanxi Province;

陕西果产区套袋苹果黑点病的发生和防治

The Survey of the Cause and Nuisanceless Prophylactico-therapeutic Measures of Bagged Apple Diplostomiasis

套袋苹果黑点病发病原因的调查与无公害防治措施

Pilot Studies on Black-Dot Disease of Bagged Apple in Shaanxi and Cloning and Prokaryotic Expression of HC-pro Gene of SCMV;

套袋苹果黑点病初步研究及甘蔗花叶病毒HC-pro基因克隆与蛋白原核表达

Of or affected with melanosis.

黑变病的黑变病的或受黑变病影响的

Of, relating to, or affected with melanosis; melanotic.

黑变病的黑变病的，有关黑变病的，患黑变病的，黑素代谢失常的

After 15 years of cursing the darkness of AIDS, a candle of hope has been lit by science.

在诅咒艾滋病的黑暗15年之后，科学点燃了一支希望的烛光。

Characteristic of Serious Occurrence and Reason Analysis of Rice Black-streaked Dwarf Disease in Recent Years

近几年来水稻黑条矮缩病重发生特点及原因分析

Any of several plant diseases caused by fungi and resulting in brown or black dead areas on leaves or fruit.

植物的黑斑病植物由于真菌感染而导致叶子和果实出现褐色或黑色的斑点

Histologic examination of the tan patch reveals features of lentigo simplex, whereas the speckled macules and papules disclose melanocytic nevi.

组织病理下褐色斑块呈现单纯性黑痣，而其上的斑点及丘疹则为黑色素细胞痣。

The capo-mafioso nodded.

这位黑帮头目点了点头。

He wore a droopy moustache, and was kind of dark-skinned, with dark hair and dark eyes.

他留着下垂的小胡子，皮肤有点黑，黑头发、黑眼睛。

Study of the Origin of Melanin on Neurocutaneous Melanosis

神经皮肤黑变病中黑色素的来源初探

a smut fungus attacking Indian corn.

侵袭玉米的黑穗病菌。

The black plague struck the village.

黑死病袭击了那个村庄。