查询词典 stem borer

The rice stem borer, Chilo suppressalis is one of the most important rice pests and widely distributed in...

二化螟是水稻生产中的重要害虫，严重影响水稻产量和品质。

The improvement and design of artificial diet of rice stem borer are much needed.

二化螟人工饲料的改良或重新设计已刻不容缓。

The results indicated that the transgenic sck+cry1Ac rice did affect not only the mortality and body weight of the stripped stem borer, but also some biological characteristics of its parasitoid A. chilonis.

结果表明转sck+cry1Ac基因水稻不仅对二化螟生长和存活有显著影响，而且可经寄主二化螟影响到二化螟绒茧蜂的一些生物学特性。

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 results indicated that: compared with mono-cropping, the mean densities of rice stem borers, leaf roller, rice hoppers and leafhoppers in scale rice-duck farming were decreased by 54.4%, 48.8%, 73.6% and 96.1% respectively, and the rate of diseased plant of sheath blight and rice blast in IF were decreased by 78.9% and 48.5% respectively. Compared with the conventional rice-duck farming, the average densities of rice stem borer, rice leaf roller, rice hoppers and leafhoppers in IF was reduced by 18.2%, 9.5%, 7.0% and 0.82% respectively, and the rate of diseased plant of sheath blight in IF were decreased by 35.5%, unfortunately that of rice blast in IF was increased by 8.0%.

结果表明：规模稻鸭生态种养水稻二化螟、稻纵卷叶螟、稻飞虱和稻叶蝉平均虫量较水稻单一种植分别下降54.4%，48.8%，73.6%和96.1%，纹枯病和稻瘟病病株率分别降低78.9%和48.5%；较常规稻鸭生态种养水稻二化螟、稻纵卷叶螟、稻飞虱和稻叶蝉量分别下降18.2%，9.5%，7.0%和0.82%，纹枯病病株率降低35.5%，稻瘟病病株率升高8.0%。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失