查询词典 accretion borer

The test shows that artificial diet Ⅲ can improve the pupation rate of rice stem borer and prolong the survival days of the first generation larva, but have no difference with contrast.

同时，配方Ⅲ中添加的水稻茎粉延长了第一代二化螟幼虫的发育历期，但没有达到与对照产生差异的程度，而且这一效果在继代饲养的后2代二化螟幼虫中不再出现。

This remain to be solved by future invesgation of the feeding behavior and digestion physiology of rice stem borer.

结果显示以农杆菌转殖法得到的转殖水稻在T0代出现较少白苗、不稔等不良性状。

There is no obvious difference between rice stem borer reared by three kinds of artificial diet and that by fresh rice stem.

人工饲料配方Ⅰ、配方Ⅱ和配方Ⅲ连续3代饲养的二化螟与新鲜水稻茎杆饲养的3代二化螟在整体上没有显著差异，是3种比较理想的二化螟人工饲料。

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。

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。