aphid

Aphid count on plants in fields do not correlate with virus spread in the same fields.

田間植株蚜數與同塊田內病毒的擴散程度間無相關性.

辭典例句

This kind of aphid height 2 millimeters, take the Japanese giant knotweed as the food.

這種蚜蟲身長2毫米, 以日本虎杖為食.

期刊摘選

The reproduction rate of teh aphid is influenced by nutrition.

蚜蟲的繁殖率受到營養的影響.

期刊摘選

In general an aphid cannot or hardly identify its host at a distance.

在一定距離以外,蚜蟲通常不能或難以識別其寄主植物.

辭典例句

The aphid eat green grass, the false eats soul.

蚜蟲吃青草, 虛偽吃靈魂.

期刊摘選

This paper studies composition and characters of the aphid fauna of Hengduan Mountains Region.

研究了橫斷山區蚜蟲區系的組成和特點.

期刊摘選

One kind of Japanese aphid and one kind of leaf spot fungus.

一種日本蚜蟲和一種葉斑真菌.

期刊摘選

The woolly aphid has a lanate coat resembling cotton.

棉蚜蟲有一層羊毛狀的表皮,很像一團棉花.

期刊摘選

There is adequate variability in plants to breed for resistance to certain aphid vectors.

植物有充分的變異性可用于培育對一些蚜蟲介體的抗性.

辭典例句

In which Aphid and leaflike are the dominant insects in spring.

其中蚜蟲、葉螨是春季昆蟲群落的優勢種.

期刊摘選

The pesticidal effect on aphid of the anaerobic fermentation liquid is studied by field experiment.

利用蚜蟲作為試驗對象,通過田間試驗的方法,對厭氧發酵液的殺蟲效果和殺蟲機理進行了研究.

期刊摘選

CTV and its efficient vector, brown citrus aphid ( Toxoptera citricida Kirkaldy ), are widely distributed in China.

在我國,CTV及其強力傳媒褐色橘蚜 ( ToxopteracitricidaKirkaldy ) 廣泛分布.

期刊摘選

He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics.

他利用蚜蟲繁殖力資料說明了抗生作用對蟲口動態的理論效應.

辭典例句

Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.

因為蚜蟲類對有機磷化物能產生抗性, 所以要避免過多的噴灑.

辭典例句

The possible causes of the formation of aphid host bio types were reviewed.

綜述了蚜蟲寄主?；彤a生的可能原因.

期刊摘選

The five small arthropod were still very serious pest, especially aphid, scale and whitefly.

其中,五小害蟲的危害仍然非常嚴重, 尤其是蚜蟲 、 蚧殼蟲和粉虱.

期刊摘選

Several other herbicides, including amitrole, barban, dicamba , and MCPA, alter aphid populations on treated hosts plants.

另一些除草劑, 包括殺草強 、 燕麥靈 、 麥草畏和MCPA, 都能夠改變處理寄主上的蚜蟲群體.

辭典例句

The aphid is now laying waste to the wheat and barley fields.

蚜蟲正在毀掉一片片的小麥和大麥田地。

柯林斯例句