查询词典 accretion borer

In second generation, the result is contrary.4. The results of the two orthogonal designs of artificial diet of rice stem borer both indicate that sucrose and wheat germ flour are key factors of survival days of rice stem borer.

二化螟人工饲料两次正交试验的结果均表明，蔗糖和麦芽粉是影响二化螟幼虫历期的关键因子，水稻茎粉、麦芽粉、酵母粉和稻糠粉是影响二化螟幼虫成活率的关键因子，水稻茎粉是影响二化螟蛹重的关键因子。

To screen resistant rice varieties in Liaohe Valley to the rice stem borer Chilo suppressalis Walker, development of and damage by the borer larvae on the varieties were examined using intact-plant resistance evaluation method, and morphological and biochemical characteristics and number of silica cells of the rice varieties were determined to explore the potential resistance mechanisms.

采用活体成株鉴定法测定了辽河流域主栽水稻品种对二化螟发育和为害的影响，同时测定了不同品种的主要形态特性、硅细胞数量和主要生化特性，评价这些品种对二化螟的抗性、分析其发生的可能机制。

The present investigations show that Bt rice possesses high efficiencies for controling rice stem borer, yellow stem borer and rice leaf roller, and there are no significant differences in growth and development of non-target organisms, such as rice planthoppers, leafhoppers and predators, and the stability of arthropod community structure between Bt rice and conventional rice paddy habitats.

现有的研究表明，Bt水稻对二化螟、三化螟和稻纵卷叶螟等主要靶标害虫具有较高的抗性水平，对稻飞虱、叶蝉、捕食性天敌等非靶标生物的生长发育和稻田节肢动物群落的稳定性无明显影响。

Asian stem borer is polyphagic and has 2-3generations on different host plants in one year .whatmore ,the interactions between Asian stem borer and its hosts increase its genetic aberrance .

长期以来，二化螟给我国的水稻生产带来了严重的经济损失。二化螟食性杂，寄主范围广，与众多寄主存在复杂的交互作用使得其遗传差异变大。

The Asian corn borer,Ostrinia furnacalis(Lepidoptera:crambidae) and the European com borer,O.

亚洲玉米螟和欧洲玉米螟是棉花和玉米的重要害虫之一，给农业生产造成巨大的经济损失。

Chilo suppressalis(Lepidoptera:Crambidae),the striped stem borer or Asian rice borer,is a widespread insect species,extending from Asia and Oceania into the Middle East and Europe.

二化螟Chilo suppressalis属鳞翅目Lepidoptera，草螟蛾科Crambidae，其分布范围广、经济危害重，是水稻种植区的最主要害虫之一。

The transgenic regenerative rice plants were gotten. Indoor feeding corn borer by these transgenic rice regenaration plants and their descendance's tiller stem;The corn borer mortality and the worm length were compared to determinate transgenic regenerative rice's pest resistance.

我们用这些转基因水稻再生植株及其后代的分蘖茎段对玉米螟进行室内喂养，通过比较虫体死亡率及虫体生长长度，测定转基因水稻再生植株的抗虫性。1997～1999年共进行3个世代5次的室内测定。

In order to the active control corn borer harm, my city big area has promoted the trichogramma preventing and controlling corn borer technology, the effect was extremely remarkable, obtained the general farmers friend ' s approval.

为了有效控制玉米螟的危害，我市从1995年开始推广人工施放赤眼蜂防治玉米螟技术，效果非常显著，得到了广大农民朋友的认可。

The results of the two orthogonal designs of artificial diet of rice stem borer both indicate that sucrose and wheat germ flour are key factors of survival days of rice stem borer. Rice stem flour、 wheat germ flour、 yeast flour and rice stem chaff flour affect the survival.

二化螟人工饲料两次正交试验的结果均表明，蔗糖和麦芽粉是影响二化螟幼虫历期的关键因子，水稻茎粉、麦芽粉、酵母粉和稻糠粉是影响二化螟幼虫成活率的关键因子，水稻茎粉是影响二化螟蛹重的关键因子。

This essay discusses the controlling principle of halftone dot accretion and relative contrast, and explains in detail using Brunner controlling bar to measure and control halftone dot accretion and relative contrast.

文章主要论述了网点增大和相对反差的控制原理，详细解释了布鲁纳尔测控条检测网点增大的方法以及相对反差的测控方法。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。