leaf blight的例句大全

Rough gentian leaf blight was caused by Septoria gentianae. Study on occurring rule and controlling techniques of spot blight of Gentiana

龙胆草斑枯病是近几年生产上发生的一种毁灭性病害。龙胆草斑枯病发病规律及防治技术研究

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Please distinguish the differences of symptom between rice bacterial leaf blight and rice bacterial leaf streak.

试分析合理的肥水管理在防治水稻纹枯病和稻瘟病的作用机理.

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Occurrence and control of leaf blight disease of Bromus inermis in Xinjiang of China

新疆地区无芒雀麦叶枯病的发生及防治

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A Preliminary Report on the Histopathologic Observations of Loquat Leaf Parch Blight Disease

枇杷叶尖焦枯病叶脉组织电镜观察初报

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Besides two pathogenic types of mulberry bacterial disease black blight and crinkle leaf in recent years another sympton type broken leafstalk was discovered.

近年来发现桑细菌性疫病除黑枯型、缩叶型外，还有一种新的症状类型&断柄型。

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Tea brown blight ( Guignardia camelliae) is one of several main leaf diseases of tea plant, having been more serious in some areas in recent years.

茶云纹叶枯病是茶树叶部主要病害之一，近些年来在局部地区发生比较严重，针对这种病害我们进行了相关研究。

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In our country, the most serious strawberry diseases are Gray Mold, Powdery Mildew, Leaf Spot ( snake eye), Fusarium Wilt, Bud Blight, Root Rot, and so on.

我国为害草莓较严重病害有草莓灰霉病、白粉病、叶斑病（蛇眼病）、枯萎病、芽枯病，根腐病等。

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A Study on the Symptom and Pathogenicity of Peony Leaf Tip Blight

牡丹叶尖枯病的症状和发生原因

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The resistance of 128 peony varieties to air fluoride pollution has been determined according to the disease index of peony leaf tip blight in the region of air fluoride pollution.

以污染区牡丹叶尖枯病的病情指数为依据，测定了128个牡丹品种对大气氟污染的抗性。

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The results, based on the study of the symptom and development of the disease in the field and the fluoride concentration in the air, indicate that the peony leaf tip blight is a non infective disease caused by air fluoride pollution.

根据牡丹叶尖枯病的症状特点和田间扩展方式，以及对大气和牡丹叶片中氟浓度的测定，结果证实牡丹叶尖枯病是由大气氟污染引起的一种非侵染性病害。

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It is reported the control of bacterial leaf blight with 7 kinds of bactericides on the field in Xishuangbanna. The results show that the controlling effect of 100-fold solution of Terramycin is the best, 71.1%;

报告7种杀菌剂在西双版纳防治红掌细菌性叶疫病的田间防治效果，其中土霉素100倍液防效最好，达71.1%；

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The effect of Mg and K contents on physiologically potassium-deficient leaf blight of papaya plant was studied by investigation and sampling in the fields with low K and high Mg and chemical analyses in the laboratory.

采用田间调查、采样及其室内分析与田间试验相结合的方法，在低钾而高镁的土壤上，从植株各个部位探索番木瓜植株镁、钾营养变化对其生理性缺钾叶枯症的影响。

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