Applicability of the Method of Linear Dimensions to Estimate Leaf Area in Improved Genotypes of &

来源 :美国植物学期刊(英文) | 被引量 : 0次 | 上传用户:ztsdc
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
There are different methods to determinate leaf area in coffee plants;however, methodologies that allow measurement of leaf area accurately and in nondestructive ways are very important, as they are less economically costly and enable measurements on the
其他文献
【目的】探明莱氏野村菌Nr0815对不同龄期斜纹夜蛾幼虫的毒力。【方法】采用浸渍法分别测定莱氏野村菌菌悬液对斜纹夜蛾2~5龄幼虫的致病死亡率。【结果】从校正死亡率来看,对
目的 探讨七氟烷全身麻醉在小儿腹腔镜疝手术中的临床应用效果.方法 选取60例行腹腔镜疝修补术的患儿作为研究对象,将其随机分为观察组和对照组,每组30例.观察组患儿应用七氟
探险摩托车兼具公路行驶和越野探险的能力,属于“通吃型”摩托车,用途广泛,很受摩托车探险旅行骑手的喜爱。提到探险摩托车,我们很难绕开BMW搭载了“拳击手”发动机的GS系列
直肠癌是常见的消化道恶性肿瘤,近年来低位直肠癌的发病率有不断的上升趋势;手术治疗联合放化疗是直肠癌的常规治疗方法,目前直肠系膜全切除(TME)已被作为直肠癌外科治疗的常规
云南哀牢山国家级自然保护区保存着世界上面积最大的原始中山湿性常绿阔叶林,生物物种丰富,是生物多样性保护的热点区域。本研究采用样地调查法对哀牢山东坡中山湿性常绿阔叶林
目的 探讨缺氧诱导因子-1α(HIF-1α)在鼻咽癌中的表达及与临床病理的关系.方法 选择56例经病理确诊为鼻咽癌的活检标本,另选20例慢性鼻咽炎症黏膜组织作为对照,采用免疫组织化
Legume nodulation by rhizobia can supply crops with nitrogen and reduce environmental impacts caused by chemical fertilization. The soybean crop in Brazil is an
From the branches of Tabebuia chrysotricha (Bignoniaceae), two lignan glycosides (1, 2) and two phenolic compound glycosides (3, 4) were isolated, along with 15
用3个与水稻温敏雄性核不育(TGMS)基因紧密连锁的PCR标记C365-1、S2-40和InDel37,对云南低海拔(260 m)早季种植的2个籼稻TGMS株系配制的杂交组合的F2 和F3代分离群体中筛选出的14
Emergence of grasses late in the season has become a problem in glyphosate-resistant (GR) soybean production in the southern US. A 3-yr field study was conducte