水稻螟虫
- 网络rice stem borer
-
预测水稻螟虫发生趋势的径向基函数人工神经网络模型及其与BP网络的比较
Normalized Radial Basis Function Neural Network to Forecasting the Rice Stem Borer Occurrence Tendency and its Comparation with BP Network
-
水稻螟虫时间格局的地统计学分析
Geostatistical Analysis on the Temporal Patterns of Rice Stem Borer
-
水稻螟虫综合防治层次分析
Analytical Hierarchy Process on the Integrated Control for Rice Stem Borers
-
水稻螟虫测报办法的简化
Studies on the development of simplified forecast methods for rice borers
-
上海地区水稻螟虫灾变规律的研究
Mechanism of the Outbreak of Rice Borers in Shanghai Area
-
研究了宁虫素对水稻螟虫的毒力及防治效果。
Toxicities and control effects of Ningchongsu against rice stem borers were tested .
-
无害化治理技术对水稻螟虫的控制效应及应用效益分析
Control Effect of Enviroment-friendly Control Technology on Rice Stem Borer and Application Benefit Analysis
-
菊酯农药防治水稻螟虫的技术探讨
Discusses of the Technique of Control Rice Stem Borer and Rice Caseworm with Pyrethroid Insecticides
-
印楝及其复配剂对水稻螟虫及稻株生长的双向效应研究
Double Effects of Azadirachtin and Its Compound on Rice Stem Borers and Growth of Rice
-
南京地区3种越冬水稻螟虫耐寒力比较
Comparison of Cold Hardiness in Three Species of Overwintering Rice Stem Borers in Nanjing Area
-
沪郊水稻螟虫的发生特性与防治技术探讨
The characteristic of rice stem borers ' occurring in Shanghai suburbs and the controlling measures
-
中江县水稻螟虫种群变化及其主要影响因子分析
Study on the population dynamics of rice stem borers and its main impact factors in Zhongjiang county
-
从农业措施、物理手段、生物控制及化学防治四个方面论述了无害化治理技术对水稻螟虫发生的控制作用;
Enviroment-friendly technologies for controlling the rice stem borer in Hunan province from agricultural technique , physical methods , biological control and chemical control were studied , respectively .
-
根据浙江水稻螟虫发生特点和当前测报工作实际,在原有测报办法的基础上,简化调查项目与方法,制订了水稻螟虫简易测报办法。
According to the occurring characteristics of rice borer in Zhejiang province and the practice and methods of the present pest forecast , forecast methods were simplified and worked out .
-
讨论认为,近些年大量使用阿维菌素和毒死蜱防治水稻螟虫和飞虱,不利于对大螟的兼治。
Finally , it was thought that extensive use of Abamectin and Chlorpyrifos for control of rice borers and planthoppers in recent years was not conducive to the control of S. inferens .
-
近年来随着耕作制度的变化,以及作物布局的多样化,致使大螟发生危害逐年加重,在有些地区甚至成为水稻螟虫的优势种。
In recent years , with the changes in cultivation and diversification of crops , the damage caused by this pest becomes serious year by year . In some areas , pink stem borer even becomes the dominant species of rice borers .
-
分析水稻螟虫的行为特性和拟除虫菊酯类农药在水稻植株上的行为趋势,探讨使用菊酯类农药防治水稻螟虫的技术要点。
Analyzed the behavior characteristic of rice stem borer and rice caseworm and the behavior trend of pyrethroid insecticides on the rice plant , probe into the main technique of control the rice stem borer and the rice caseworm with pyrethroid insecticides .
-
1999年以来,上海地区水稻螟虫发生严重,通过农业防治和调整防治策略,以及选用治螟药剂为重点的综合治理措施,有效地控制了螟虫发生危害的上升态势,取得了较好的成效。
Since 1999 the damage caused by rice stem borers has been heavy in the suburbs of Shanghai , but the upward damage situation has been effectively controlled by means of adjusting the controlling strategy , adopting agricultural integrated control and selecting effective pesticides .
-
转基因改良水稻的抗螟虫性研究
Study on Transgene Improving Resistance to Rice Stem Borers
-
排水晒田防治水稻三化螟虫的效果及其原因
On the effect and cause of rice borer control by drainage of the rice field