whitefly

简明释义

英[ˈwaɪtˌflaɪ]美[ˈwaɪtˌflaɪ]

n. [昆] 粉虱

复 数 w h i t e f l y 或 w h i t e f l i e s

英英释义

单词用法

同义词

反义词

例句

1.Sticky traps for trapping and killing to have good result to the small insects, such as aphids, whitefly, Leafhopper, vegetable leaf miner, thrips, etc.

粘虫胶诱杀技术对于小型昆虫如蚜虫、粉虱、叶蝉、斑潜蝇、蓟马等有着良好的效果。

2.Application: it is a systemic insecticide, with both contact and stomach action against sucking mouthparts pests such as plant hoppers, aphids, leafhoppers, thrips whitefly, ect.

用途：主要用于防治水稻、小麦、棉花等作物上的刺吸式口器害虫，如蚜虫、叶蝉、蓟马、白粉虱及马铃薯甲虫和麦秆蝇等。

3.The result showed that 83.1% of whitefly nymphs were present on top and middle leaves and there was no marked difference between middle and top leaves;

结果表明烟粉虱若虫在夏大豆植株上的总体分布集中在中上部，占总数的83.1%，中部与上部之间差异不显著。

4.Whitefly transmission experiments showed that PaLCuCNV could be transmitted by Bemisia tabaci, but the efficiency was very low(8.33%).

番木瓜曲叶病毒病可以通过烟粉虱传染，但是，室内人工传染效率很低，仅为8.33%；

5.The selection tests on 10 domestic or overseas cucumber strains demonstrated that the tobacco whitefly showed different feeding and egg-laying behaviors to different cucumber strains.

结果表明，烟粉虱成虫取食和产卵对黄瓜品种有一定选择性。

6.ladybird larvae are among the biggest friends we gardeners have. They're ferocious predators on problem whitefly and red spider mite.

幼瓢虫就是园丁们最大的朋友之一，它们是凶猛的食肉动物，专门对付白粉虱和红蜘蛛螨。

7.Our results indicated that L925I mutation was tightly associated with pyrethroid resistance in the tobacco whitefly from Nanjing.

该结果表明了烟粉虱钠离子通道L925I突变与对拟除虫菊酯抗性密切相关。

8.I noticed tiny white insects on the underside of the leaves; they must be whitefly.

我注意到叶子底部有小白虫；它们一定是白蝴蝶虫。

9.To control the whitefly population, we applied an organic pesticide.

为了控制白蝴蝶虫的数量，我们使用了一种有机杀虫剂。

10.The whitefly can transmit various plant viruses, posing a risk to crops.

白蝴蝶虫可以传播多种植物病毒，对农作物构成威胁。

11.After researching, I found that whitefly thrive in warm climates.

经过研究，我发现白蝴蝶虫在温暖的气候中繁殖。

12.The garden was infested with whitefly, making it difficult for the plants to thrive.

花园里感染了白蝴蝶虫，使植物难以生长。

作文

The world of agriculture is filled with various challenges, one of which is the presence of pests that can significantly impact crop yields. One such pest is the whitefly, a small, winged insect that feeds on the sap of plants. These tiny creatures can be found in many parts of the world and are particularly notorious for their ability to reproduce quickly and in large numbers. Understanding the behavior and management of whitefly is crucial for farmers and gardeners alike.The whitefly belongs to the family Aleyrodidae and is closely related to aphids and scale insects. They are usually found on the undersides of leaves, where they suck the sap from the plant, leading to yellowing leaves and stunted growth. In addition to directly damaging the plants, whitefly also excretes a sticky substance known as honeydew. This honeydew can attract other pests and lead to the growth of sooty mold, which can further inhibit photosynthesis and reduce plant health.One of the primary reasons why whitefly populations can explode is their rapid reproduction cycle. A single female whitefly can lay hundreds of eggs in her lifetime, which hatch into nymphs that can mature in just a couple of weeks. This means that if left unchecked, a small infestation can quickly turn into a large problem, devastating entire crops in a matter of weeks.To manage whitefly infestations, there are several strategies that farmers can employ. Integrated Pest Management (IPM) is one effective approach that combines biological, cultural, and chemical control methods. For instance, introducing natural predators such as ladybugs or parasitic wasps can help keep whitefly populations in check. Additionally, maintaining healthy plants through proper watering and fertilization can make them less susceptible to pest damage.Another method of controlling whitefly is through the use of insecticidal soaps or oils that can suffocate the insects. However, it is essential to apply these treatments carefully, as they can also harm beneficial insects if not used properly. Regular monitoring of plants for signs of whitefly is crucial, as early detection can lead to more effective management before the infestation spreads.In conclusion, the whitefly poses a significant threat to agricultural productivity, but with proper understanding and management techniques, farmers can protect their crops. Education about this pest and its life cycle is vital for anyone involved in gardening or farming. By implementing integrated pest management strategies and being vigilant, we can minimize the impact of whitefly and ensure healthier plants and greater yields. The fight against whitefly is ongoing, but with knowledge and persistence, it is a battle that can be won.

农业世界充满了各种挑战，其中之一就是害虫的存在，这些害虫会显著影响作物产量。其中一种害虫是白蝴蝶虫，一种小型有翅昆虫，以植物的汁液为食。这些微小的生物可以在世界许多地方找到，尤其以其快速和大量繁殖的能力而臭名昭著。理解白蝴蝶虫的行为和管理对于农民和园丁来说至关重要。白蝴蝶虫属于白蝴蝶科，与蚜虫和介壳虫密切相关。它们通常栖息在叶子的背面，吸取植物的汁液，导致叶片发黄和生长受阻。除了直接损害植物外，白蝴蝶虫还会分泌一种粘稠的物质，称为蜜露。这种蜜露会吸引其他害虫，并导致黑霉的生长，进一步抑制光合作用，降低植物健康。白蝴蝶虫种群暴发的主要原因之一是它们的快速繁殖周期。一只雌性白蝴蝶虫在其生命周期内可以产下数百个卵，这些卵孵化成若虫，仅需几周就能成熟。这意味着如果不加以控制，小规模的侵扰很快就会变成大问题，在短短几周内摧毁整个作物。为了管理白蝴蝶虫的侵扰，农民可以采用几种策略。综合害虫管理（IPM）是一种有效的方法，它结合了生物、文化和化学控制方法。例如，引入天敌如瓢虫或寄生蜂可以帮助控制白蝴蝶虫的种群。此外，通过适当的浇水和施肥来保持植物健康，可以使其对害虫损害的抵抗力更强。控制白蝴蝶虫的另一种方法是使用可以窒息昆虫的杀虫皂或油。然而，必须小心使用这些处理，因为如果使用不当，也可能对有益昆虫造成伤害。定期监测植物是否有白蝴蝶虫的迹象至关重要，因为早期发现可以在侵扰扩散之前采取更有效的管理措施。总之，白蝴蝶虫对农业生产力构成了重大威胁，但通过正确的理解和管理技术，农民可以保护他们的作物。关于这一害虫及其生命周期的教育对任何参与园艺或农业的人都至关重要。通过实施综合害虫管理策略并保持警惕，我们可以最大限度地减少白蝴蝶虫的影响，确保植物更健康、产量更高。与白蝴蝶虫的斗争仍在继续，但凭借知识和毅力，这是可以赢得的战斗。