您要查找的是不是:
- In this paper, the origin and distributing of silverleaf whitefly, the symptom of harm and the control was also discussed. 就烟粉虱的起源与分布、为害症状及如何防治等进行了综述。
- This study was to establish an economic injury level for the silverleaf whitefly on tomato cultivated under nethouse, so as to reduce insecticidal applications. 摘要:此论文的研究目的在于建立网室栽培番茄上的银叶粉蝨防治基准,以合理减少杀虫剂使用量。
- The data collected from April 26 to June 2 in 2003 showed that individuals of silverleaf whitefly distributed at the height where the medium and old-age leaves blended. 初步结果显示银叶粉蝨族群个体在番茄植株上集中于中下层叶片交际之处,将试验取样之来源设定在茎顶下数第10,11,12叶,以肉眼当叶计数。
- Silverleaf whitefly 银叶粉虱
- A new clip-cage for whitefly experimental studies. 一种适合粉虱实验观察的新型微虫笼
- Citrus whitefly has been a major pest in citrus production. 摘要柑桔白粉虱已成为危害柑桔生产的主要害虫。
- The sweetpotato whitefly (Bemisia tabaci) is a serious pest of China. 烟粉虱(Bemisia tabaci)在中国是一种危害严重的害虫。
- You don''t even need a map for this, as with the "Find Herbs" trait you can easily find those abundant silverleaf no matter where you are. 甚至需要你没有必要去为这个地图,与“寻找草药”特性可以很容易地找到这些丰富的银叶,无论您身在何处。
- From this point we are now going to travel outside of the newbie area, and into the real world in search of, yes, you guessed it, silverleaf. 从这一点上,我们现在要在境外旅行新手区,进入真实的世界中搜查,是的,你猜对了,银叶。
- Silverleaf is EXTREMELY abundant in the early and second areas of the game, but even more abundant in the Undead and Human areas. 西尔弗利夫非常在游戏初期,第二两个方面丰富,但更在亡灵和人类丰富的地区。
- All but some servers may have a more crippled economy in the lines of silverleaf, give it a few days and watch the price skyrocket. 所有但一些服务器可能在银叶的线条更加举步维艰的经济,给它几天,看价格飞涨。
- Using of entomogenous fungus will be one of the most important ways to control of the whitefly in the future. 利用虫生真菌及其代谢产物进行防治是未来粉虱害虫防治的主要途径。
- A small hole is made on the openable bottom of the cage for inoculation of whitefly adults. 虫笼可开启的底板上特制一小圆孔,便于接入粉虱成虫。
- For whitefly larvae,the H pattern indicates phloem ingestion but L pattern not,though still in sieve element. 在幼虫,H波代表吸食筛管液,而L波则表示在筛管细胞内的一种非吸食行为。
- Fig. 3. Flow chart of the mass rearing of spiraling whitefly and its parasitoids. 圖三螺旋粉蝨與寄生蜂大量繁殖流程圖。
- Chemical control became more difficult on account of increasing insecticide resistance of whitefly. 其抗药性增强,化学防治难以奏效。
- The five small arthropod were still very serious pest, especially aphid, scale and whitefly. 其中,五小害虫的危害仍然非常严重,尤其是蚜虫、蚧壳虫和粉虱。
- The occurrence and spatial population distribution of rice whitefly Aleurocybotus indicus (Homoptera:Aleyrodidae) on rice were investigated. 对稻粉虱的寄主范围、不同生境下的发生及空间数量分布作了调查研究。
- The reproducing methods of Delphastus catalinae with the whitefly aleurotuberculatus takahashi in the greenhouse were studied. 以替代猎物高氏瘤粉虱在室内进行饲养和大量繁殖,摸索出一套室内繁殖小黑瓢虫的技术和方法。
- The behavior, bionomics and control of citrus spiny whitefly Aleurocanthus spiniferus Quaintance were systematically investigated. 对柑桔黑刺粉虱的生活习性、发生规律、有效积温、天敌种类和药剂防治等进行了比较系统的研究。