它还是未成熟玉米对欧洲玉米螟(草螟科)产生相对抗性的原因。
It is also responsible for the relative resistance of immature maize to the European corn borer (Crambidae).
这种玉米中含有能够抵御玉米螟的基因。
It contains genes that allow it to resist infestation by the corn borer.
农技站的技术人员正在指导农民防治玉米螟。
The technicians of the agricultural technological station are directing farmers to prevent and control corn borers.
欧洲玉米螟是一种经济作物玉米上的常见害虫。
The European corn borer is a common pest in this economically valuable crop.
文本报道了人工繁殖玉米螟长距茧蜂的几个重要问题。
This paper report, on some important problems about the artificial breeding of Macrocentrus linearis (Nees).
研究结果表明,其方法可以准确地预测越冬代玉米螟的产卵期。
The result of the study has shown that the method in this paper can forecast accurately the spawning time of corn borer of overwintering generations.
研究了江苏沿海地区春玉米不同栽培方式对亚洲玉米螟的影响。
Effect of different cultivation patterns on spring corn of Asiatic corn Borer in Jiangsu coastal area was studied in this paper.
对玉米螟生命表资料的模拟结果表明,模型具有良好的模拟性能。
The simulation results of life table data of Asian corn borer showed that this model possesses good simulation capability.
因此可知玉米螟 外激素的产生 系受一种类PBAN因子控制。
This fact indicates that pheromone production is under the control of a PBAN-like factor.
依据棉田发生为害规律,三代玉米螟防治时间,以卵盛期用药最佳。
According to this, the best control time for the 3rd genera...
通过施用钾肥和防治玉米螟可有效地减轻玉米茎腐病和穗腐病的危害。
Maize ear rot and stalk rot were reduced effectively by application of potassium fertilizer and control of maize borer separately.
在田间评价了携带昆虫致病细菌的松毛虫赤眼蜂对亚洲玉米螟的防治效果。
The effect of Trichogramma dendrolimi carrying Bacillus thuringiensis on controlling Ostrinia furnacalis was evaluated in cornfield.
例如,欧洲玉米螟每年毁掉4000万吨玉米,占世界玉米总产量的7%。
The European corn borer, for example, destroys 40 million tons of the world's corn crop annually, about 7% of the total.
文末,对人工繁殖的玉米螟长距茧蜂生活力较低的原因也进行了分析讨论。
The vitality of wasp declines as the number of generations of artificial breeding increases, Fin…
结果表明:这一地区影响二代玉米螟分化的主要因子是幼虫期的光照周期和温度。
It was found that the major factors determining the differentiation of the Asian corn borer in the second generation were photoperiod and temperature in the larval period in that area.
利用赤眼蜂防治玉米螟是一项已被生产实践证明了的安全、有效、经济的生防措施。
It has been proved in practice that artificial reproduction of trichogramma is a safe, effective and economic method in control of corn borer.
如果杀虫剂喷洒得太晚,玉米螟早已经在玉米茎的内部安家了。这样,它们就不能被杀死。
If sprayed too late, the corn borer will already have made a home inside the corn stem and will not be killed.
用不同浓度的玉米螟微孢子虫悬浮液,饲喂及浸泡感染1、2、4、7龄云南松毛虫幼虫。
Various corn borer microsporozoites were used to feed and soak Dendrolimus honi larvae at the instar of 1,2,4 and 7 for infecting them.
结果表明,不同年份间的平均病害级别差异显著,而玉米螟的食叶级别却不存在显著差异;
The results showed that the average disease levels were significantly different between years, while the borer level was not significantly different;
AMOVA分子方差分析结果表明中国玉米螟的遗传分化主要来自种群内部(76.45%)。
Molecular variance (AMOVA) analysis indicated that a high proportion of the total genetic variance was attributable to variations within populations (76.45%).
MON810技术是设计用来抵御欧洲玉米螟的。玉米螟攻击玉米秸秆,在温暖的气候中为害猖獗。
The MON 810 technology, which is also used by other seed makers, is designed to resist the European corn borer, a pest that attacks maize stalks and thrives in warmer climates.
这种杀虫剂是细菌基因植入到转基因玉米和其它谷类作物的产物,以防治欧洲玉米螟甲虫之类的昆虫。
The insecticide is the product of a bacterial gene inserted into GM maize and other cereal crops to protect them against insects such as the European corn borer beetle.
在行为实验中发现,挥发性次生代谢物能够影响亚洲玉米螟一龄幼虫的定向选择和成虫的产卵行为。
Large amount of volatile secondary metabolites were also induced by the feeding of Asian Corn Borer larvae.
玉米再生植株种植田间后在其后代中选出一抗玉米螟的稳定株系,尚需进一步的分子验证和饲虫实验。
One stable line resistant to corn borer had been selected in the progeny of maize regenerated plants, further molecular test and feeding-insect test are going on.
本文综述了对螟虫长距茧蜂的研究概况,包括该寄生蜂的主要生物学习性、对玉米螟自然寄生率及田间防治玉米螟效果等。
Studies on Macrocentrus linearis, including its biology, natural parasitic rate and the field control effect on Ostrinia furnacalis are reviewed in this paper.
本文综述了对螟虫长距茧蜂的研究概况,包括该寄生蜂的主要生物学习性、对玉米螟自然寄生率及田间防治玉米螟效果等。
Studies on Macrocentrus linearis, including its biology, natural parasitic rate and the field control effect on Ostrinia furnacalis are reviewed in this paper.
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