chlorotic

简明释义

英[klɔːˈrɒtɪk]美[kləˈrɑːtɪk]

adj. 萎黄病的；变色病的

英英释义

单词用法

同义词

反义词

例句

1.However, viruses were always inactivated in the same order: first apple chlorotic leaf spot virus (ACLSV), followed by apple stem grooving virus (ASGV).

同时，不同病毒的被脱除率也不同，苹果褪绿叶斑病毒比苹果茎沟病毒更容易脱除。

2.Heavily infected areas will appear thin and chlorotic (yellow to light brown).

严重感染的地区会显得细瘦萎黄。

3.Diseased plants are often chlorotic.

生病的植物往往是退绿的。

4.Appearance of white, yellow, or orange chlorotic spots or stripes on older leaves, usually starting from the leaf tips and margins.

通常从老叶的叶尖和叶缘开始出现带白色的，黄色的或橙色的褪绿斑点或条纹。

5.It induced some small chlorotic lesions on the inoculum leaves and systemic mottle and mild stunt in chenopodium quina;

在昆诺藜接种叶片上呈现小褪斑点，上部叶片呈系统花叶和植株矮缩症状；

6.Chlorotic or necrotic lesions were evidence of decreased photosynthetic tissues.

缺绿的或坏死的侵蚀斑便是减少了光合组织的证据。

7.The examining result by ELISA showed that the elimination rates of ASGV(apple stem grooving virus)and CLSV(chlorotic leaf spot virus)were over75%and100%.

用酶联免疫吸附法检测结果表明，苹果茎沟病毒和褪绿叶斑病毒脱毒率可分别达到75%以上和100%。

8.The examining result by ELISA showed that the elimination rates of ASGV(apple stem grooving virus)and CLSV(chlorotic leaf spot virus)were over75%and100%.

用酶联免疫吸附法检测结果表明，苹果茎沟病毒和褪绿叶斑病毒脱毒率可分别达到75%以上和100%。

9.The gardener noticed that the tomato plants were looking chlorotic 黄化的 and decided to apply a nutrient solution.

园丁注意到番茄植物看起来chlorotic 黄化的，于是决定施用营养液。

10.The chlorotic 黄化的 foliage indicated that the tree was suffering from nutrient deficiencies.

这棵树的chlorotic 黄化的叶子表明它正遭受营养缺乏。

11.The leaves of the plant turned chlorotic 黄化的 due to a lack of nitrogen.

由于缺乏氮，植物的叶子变得chlorotic 黄化的。

12.In a chlorotic 黄化的 state, the leaves lose their vibrant green color and may eventually fall off.

处于chlorotic 黄化的状态时，叶子失去了生机勃勃的绿色，最终可能会掉落。

13.After testing the soil, we found that it was deficient in iron, causing the chlorotic 黄化的 symptoms in the crops.

在测试土壤后，我们发现它缺乏铁，这导致了作物出现chlorotic 黄化的症状。

作文

In the world of botany, the term chlorotic refers to a condition in plants characterized by yellowing of leaves due to insufficient chlorophyll. This phenomenon is often caused by various stress factors, including nutrient deficiencies, particularly nitrogen, iron, or magnesium. When a plant becomes chlorotic, it struggles to perform photosynthesis effectively, leading to stunted growth and reduced vigor. Understanding the causes and implications of chlorotic conditions is crucial for gardeners and agriculturalists alike.One common cause of chlorotic leaves is nutrient deficiency. For instance, iron deficiency often leads to interveinal chlorosis, where the areas between the veins of the leaves turn yellow while the veins themselves remain green. This is particularly prevalent in alkaline soils, where iron becomes less available to plants. Similarly, a lack of nitrogen can result in uniform yellowing of older leaves, as nitrogen is vital for chlorophyll production. Recognizing these symptoms early allows for timely intervention, such as amending soil with fertilizers rich in the missing nutrients.Another factor contributing to chlorotic conditions is poor drainage or waterlogged soils. Excess water can suffocate roots, limiting their ability to absorb essential nutrients. In such cases, plants may exhibit chlorotic leaves even if the soil is rich in nutrients, as the roots are unable to access them. Implementing proper drainage solutions can help alleviate this issue, ensuring that plants receive both adequate moisture and necessary nutrients.Furthermore, environmental factors such as pH levels and temperature can also lead to chlorotic symptoms. Soils that are too acidic or too alkaline can hinder nutrient availability, causing plants to exhibit signs of distress. Additionally, extreme temperatures can affect a plant's metabolism, further exacerbating any existing nutrient deficiencies. Therefore, maintaining optimal growing conditions is essential for preventing chlorotic leaves and promoting healthy plant growth.In conclusion, the term chlorotic encapsulates a variety of issues faced by plants, primarily revolving around nutrient deficiencies and environmental stressors. Gardeners and farmers must remain vigilant, observing their plants for signs of chlorotic leaves, as early detection and remediation can significantly improve plant health and productivity. By understanding the underlying causes of chlorotic conditions, we can take proactive measures to ensure our plants thrive in their respective environments. Whether through soil amendments, improved watering practices, or environmental adjustments, addressing the factors leading to chlorotic symptoms will ultimately lead to a more vibrant and productive garden.

在植物学中，术语chlorotic指的是植物的一种状态，其特征是由于叶绿素不足而导致的叶子发黄。这种现象通常是由多种压力因素引起的，包括营养缺乏，特别是氮、铁或镁。当植物变得chlorotic时，它在进行光合作用方面会遇到困难，导致生长受阻和活力下降。理解chlorotic状况的原因和影响对园丁和农业工作者而言至关重要。造成chlorotic叶子的一个常见原因是营养缺乏。例如，铁缺乏通常导致叶片之间的叶脉呈黄色，而叶脉本身保持绿色，这被称为叶脉间黄化。这在碱性土壤中尤为普遍，因为铁对植物的可用性降低。同样，缺乏氮可以导致老叶子均匀发黄，因为氮对于叶绿素的生产至关重要。及早识别这些症状可以及时采取干预措施，例如用富含缺失营养素的肥料修正土壤。另一个导致chlorotic状况的因素是排水不良或土壤积水。过多的水分会窒息根系，限制它们吸收必需营养素的能力。在这种情况下，即使土壤富含营养，植物也可能表现出chlorotic叶子，因为根系无法获取这些营养。因此，实施适当的排水解决方案可以帮助缓解这个问题，确保植物既能获得足够的水分，又能获得必要的营养。此外，pH值和温度等环境因素也会导致chlorotic症状。过酸或过碱的土壤会妨碍营养物质的可用性，导致植物表现出痛苦的迹象。此外，极端温度会影响植物的新陈代谢，进一步加剧任何现有的营养缺乏。因此，维持最佳的生长条件对于防止chlorotic叶子和促进健康植物生长至关重要。总之，术语chlorotic概括了植物面临的各种问题，主要围绕营养缺乏和环境压力因素。园丁和农民必须保持警惕，观察植物是否有chlorotic叶子的迹象，因为早期发现和补救可以显著改善植物的健康和生产力。通过了解导致chlorotic状况的根本原因，我们可以采取主动措施，确保我们的植物在各自的环境中茁壮成长。无论是通过土壤改良、改善浇水实践还是环境调整，解决导致chlorotic症状的因素将最终导致一个更加生机勃勃和高产的花园。