leaf brown的例句大全

Effect of Antifungal Substances from Endophytic Bacteria B_ ( 36) on Fulvia fulva Identification of Cucumber Target Leaf Spot ( Brown Spot) Pathogen and Its Control

苦参内生枯草芽孢杆菌B（36）抗菌物质对番茄叶霉病菌的作用机制山东省黄瓜棒孢叶斑病（褐斑病）病原菌鉴定和防治

The disease spot happen under the leaf tip and leaf edge, at first, it is a dust-color tittle, then expands becoming brown roundness, the disease spot present unclear wheel sometimes, the abnormity appear after a few disease spots conformity.

病斑多发生在叶尖、叶缘，初为暗褐色小点，后扩大成褐色圆斑，病斑上有时出现不明显轮纹，有的病斑处呈环状脱落，有的病斑几个融合后呈不规则形。

Diagnosis and prevention of tea leaf etiolation of young trees planted in brown soil of Shandong Province

山东棕壤茶园幼龄茶树叶片黄化病因诊断与防治研究

Current year branchlets stout, 2-ribbed; leaf blade thickly leathery, abaxially reddish brown when dry; sepals pubescent.

当年小枝粗壮，2肋；干燥时的叶片厚革质，背面的红棕色；萼片短柔毛。

At first, the spots occurred on the margin or blade of leaf, which were approximate rounds or half round taupe spots. The colour of spots on the upper epidermis was brown and light brown on the lower epidermis.

一般先从下部叶片开始发病，逐渐向上蔓延。病斑出现在叶缘和叶身，呈近圆形或半圆形斑点，叶正面斑点为褐色，背面为浅褐色。

tunic grayish brown, distally with a collar of persistent leaf bases 1--2 cm.

鳞茎皮淡灰棕色，上部具宿存叶基部的叶颈1-2厘米。

tunic yellow-brown, distally with a collar of persistent leaf bases, partly surrounded by roots;

鳞茎皮黄褐色，上部具宿存叶基部的叶颈，部分被根包围；

tunic brown, reticulate veined, distally with a collar of persistent leaf bases 1--1. 5 cm;

鳞茎皮棕色，网状的脉，上部具宿存叶基部的叶颈1-1.5厘米；

female inflorescence solitary in leaf axils toward apex of branchlets, 2. 5-3. 5 cm, rachis thick and densely orangish brown tomentose;

在小枝，2.5-3.5厘米，轴厚和浓密橙黄的棕色绒毛的叶腋向先端里的雌花序单生；

older branchlets gray-brown, terete, longitudinally ridged, puberulent, lenticels absent, leaf scars raised.

老枝灰色棕色，圆柱状的，纵向使成脊状，被微柔毛，无的皮孔，叶痕提高。

branchlets terete, becoming yellowish brown to red-brown and subglabrous, nodes with an elevated leaf scar.

小枝圆柱状，成为黄棕色到红棕色并且近无毛，节点用一提高的叶痕。

branches yellowish green, turning purple-brown when older, terete, slender, glabrous, leaf scars closely spaced, prominent, suborbicular;

枝淡黄绿色，变为紫色的棕色在老时，圆柱状，纤细，无毛，叶痕接近隔开，突出，近圆形；

leaf blade leathery, 2. 2-4 cm, abaxially sparsely rust-brown pubescent, margin crenate;

叶片革质，2.2-4厘米，背面稀疏锈棕色短柔毛，边缘具圆齿；

leaf apically acuminate; inflorescence densely ferruginous-brown stellate pubescent (glabrescent), primary axis to ca. 75 cm.

叶顶部渐尖；花序浓密铁锈色棕色星状短柔毛（后脱落），主轴与约厘米。

leaf apically acuminate; inflorescence densely ferruginous-brown stellate pubescent (glabrescent), primary axis to ca. 75 cm.

叶顶部渐尖；花序浓密铁锈色棕色星状短柔毛（后脱落），主轴与约厘米。

internodes glabrous; leaf sheath auricles large, falcate, fimbriate with brown setae ca. 1 cm.

节间无毛；叶鞘的叶耳大，镰刀形，流苏状由于棕色约1厘米。

calyx tube and abaxial surface of leaf blade densely yellowish brown pubescent; peduncle recurved, pubescent.

浓密的萼筒和叶背面黄棕色短柔毛；花序梗下弯，短柔毛。

leaf blade leathery; abaxial surface conspicuously pale and glaucous, scales sparse, small, golden yellow to brown;

叶片革质背面显著浅和有白霜，稀，小的鳞片，金黄色到棕色；

leaf blade adaxially rugose, abaxially with brown to yellowish brown stellate hairs, margin entire or with scattered teeth.

叶片正面具皱纹，背面具使到淡黄色成褐色棕色毛，边缘全缘或具星散的齿。

leaf blade papery, apex retuse, sometimes midrib forked at apex, style 0. 7-1 mm, densely yellowish brown sericeous.

纸质的叶片，先端微凹，分叉的中脉在先端，花柱0.7-1毫米，被绢毛的黄棕色的浓密的有时。