查询词典 borer

Rice stem borer has two generations a year.

白穗中幼虫数目相当高，最多一株有137头。

The expression patterns of cry1Ab gene and its resistance to striped stem borer in the different generations of progenies of "Kemingdao" were studied under field conditions.

以不同世代的"克螟稻"为试验材料，在田间自然条件下研究了cry1Ab基因在"克螟稻"后代中的表达特性及其对二化螟的抗性。

Chemical insecticide showed some effects on controlling the stem borer.

化学农药的使用对IR72水稻螟害控制有一定的作用，但控害效果不如TT9-4。

The percentage of infected plants of rice hoppers and rice stem borer in IF were 52.9% and 6.9% lower than those in CF.

规模稻鸭生态种养稻飞虱和二化螟对水稻危害株率比常规稻鸭生态种养分别降低52.9%和6.9%。

The orthogonal design of fifteen factors and two levels is made. At the same time, fifteen components are tested and five key factors have been selected out .Finally the second orthogonal design of five factors and four levels is carried on and the new optimum component of artificial diet of rice stem borer is reached.

同时，本文从已报道的不同二化螟人工饲料中选择了15种饲料成分，采用15因子2水平的正交试验设计，对这15种成分进行了优化，并从中筛选出5个关键因子，然后对这5个关键因子进行了5因子4水平的第二次正交试验优化设计，得出了二化螟人工饲料新的优化配方。

Transgenic restorer line T773 showed high resistance to bacterial blight disease, striped stem borer and herbicide under field condition.

根据插入位置附近的水稻基因组序列进行微卫星序列的搜索，并利用Primer Premier 5.0软件设计了24对SSR标记引物。

The improved line persist the main agronomic trait and combining ability of 93-11, show wide spectrum to Xoo strains and enhanced resistance to BB and stem borer. Thus, this line has good prospect in future practical use.

这一遗传改良材料在农艺性状和配合力等方面基本保持了93-11及其杂交组合的主要特征特性，拓宽和增强了其对白叶枯病的抗谱和抗病能力，增加了93-11作为恢复系所配杂交水稻的抗螟虫特性，具有较好的应用前景。

Rice stem borer resistive to Bt is not selected out by rearing with high concentration Bt protein in short time and low concentration Bt protein in long time.

采用高浓度Bt制剂短时饲喂和低浓度Bt制剂整代饲喂两种途径对二化螟抗Bt品系进行了初步的选育，饲养的三代二化螟均没有对Bt制剂产生抗性。

Through selection we obtained transgenic restorer line T773-1 with good agronomic traits and obvious resistance to striped stem borer and herbicide.

3转cry1Ab和bar基因的水稻恢复系T773-1和转Xa21基因的恢复系T773-2进行杂交、自交，对自交世代单株进行cry1Ab、bar和Xa21基因的分子标记辅助选择，获得了带有三基因的恢复系T773，田间种植对水稻白叶枯病、鳞翅目害虫、除草剂具有很好的抗性。

The foreign PinⅡ gene could increase stem borer resistance of DH lines and enlarge the possibility of screening for resistance lines.

应用F〓群体cw3和DH群体对第6染色体waxy基因附近的5个SSRs标记作图，分别得到覆盖51.7cM和57.9cM的连锁群。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。