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pine moth
相关语句
  松毛虫
     Relationship Between Occurrence Period of Pine Moth and Meteorological Conditions
     松毛虫发生期与气象条件关系
短句来源
     Study on the Sampling model of simple sequent for wintering larva of mason pine moth Dendrolimus punctatus
     马尾松毛虫越冬幼虫简易序贯抽样模型研究
短句来源
     Analysis of 48 missed cases of tarsus in jircd by shed feather of pine moth.
     睑板松毛虫蜕毛伤误诊48例分析
短句来源
     The information system for monitoring and evaluating major natural disasters using remote sensing and GIS techniques has been established in China during 1991~1995 which include 7 types of natural disasters:flood,forest fire,drought,snow disaster,earthquake,desertification and pine moth disaster.
     中国在1991~1995年期间,应用遥感(RS)和地理信息系统(GIS)技术建立了重大自然灾害监测与评估信息系统,它包括洪水、林火、干旱、雪灾、地震、沙漠化和松毛虫灾害等七种自然灾害。
短句来源
     Against the background of pine moth occurring in Daxing'an Mountain in summers of 1989 and 1990,this paper studies the principle and method of monitoring wide range forest insect by NOAA/AVHRR.
     以 1989年和 1990年夏季大兴安岭地区落叶松毛虫大发生为背景 ,对利用气象卫星AVHRR资料进行大范围森林虫害监测的原理、方法作了分析。
短句来源
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  落叶松毛虫
     Analysis of the Effect of Meteorological Factors on Pine Moth
     气象因子对落叶松毛虫的影响分析
短句来源
     A STUDY ON PINE MOTH CONTROL WITH BIO-PREPARATIONS
     应用仿生制剂防治落叶松毛虫初探
短句来源
     Against the background of pine moth occurring in Daxing'an Mountain in summers of 1989 and 1990,this paper studies the principle and method of monitoring wide range forest insect by NOAA/AVHRR.
     以 1989年和 1990年夏季大兴安岭地区落叶松毛虫大发生为背景 ,对利用气象卫星AVHRR资料进行大范围森林虫害监测的原理、方法作了分析。
短句来源
  云南松毛虫
     Research in Pine Moth Diet
     云南松毛虫取食研究分析
短句来源
  “pine moth”译为未确定词的双语例句
     Results showed that BP models had satisfied imitate and predictiable accuracy. As mumbers of implied neuron were 4,chi-square test for area infested by pine moth in 3a prediction of 3 groups of 7 counties was : η=7.292 0
     当隐含层神经元个数为 4个时 ,7个县 (市、区 ) 3组预留有虫面积 3a预测结果的卡方检验为 :η=7.2 92 0
短句来源
     A mixed formulation for the control of pine moth containing 51% Beauveria bassiana conidia powder, 20% UV protectant, 25% fillings and 4% meiyouniao Ⅲ.
     球孢白僵菌混合粉剂是由51%的孢子粉、20%紫外保护剂、25%载体和4%的灭幼脲Ⅲ号,经正交设计优化配方得到。
短句来源
     Bio-preparations were used to control pine moth with airplane spraying and artificial spraying in Saihanba areaThe sprayed area totaled 230 000 hm2,and the rate of insect decreasing reached 95%
     河北省塞罕坝机械林场通过飞机防治和人工喷烟2种方式,应用仿生制剂对近2 7万hm2的落叶松人工林和少量樟子松林,进行了大面积防治,综合虫口减退率达95%以上。
短句来源
     Study on Integrated Utilization of Pine Moth Pupa
     云南松毛虫蛹的综合利用研究
短句来源
     The results of prediction to masson pine moth show that the qualified rates of fitting and prediction using BP model acquire 100%.
     BP网络模型的拟合率为 1 0 0 % ,预留样本检验报准率为 1 0 0 %。
短句来源
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Paecilomyces farinosus 8318 has been reported as an important pathogen to Dendrolinius tabulaeformis (Tsai et Liu). This paper indicates the process and conditions of the preparation of Paecilomyces farinosus 8318. The preparation of Paecilomyces farinosus 8318 was carried out. It is used as a biological means to control the larva population of overwintering pine moths. The authors have performed experiments on biological characteristics of Paecilomyces farinosus 8318, which included the effects of temperature,...

Paecilomyces farinosus 8318 has been reported as an important pathogen to Dendrolinius tabulaeformis (Tsai et Liu). This paper indicates the process and conditions of the preparation of Paecilomyces farinosus 8318. The preparation of Paecilomyces farinosus 8318 was carried out. It is used as a biological means to control the larva population of overwintering pine moths. The authors have performed experiments on biological characteristics of Paecilomyces farinosus 8318, which included the effects of temperature, light, pH, nutrition and other conditions affecting the conidial yield.

粉拟青霉(Paecilomyces farinosus 8318)是油松毛虫(Dendrolimus tabulaeformis Tsai et Liu)的致病菌。本文较系统地介绍了温度、光照和营养条件等因素对粉拟青霉孢子产生的影响,菌剂生产的工艺条件,以及此菌对于油松毛虫的毒性。为防治油松毛虫和其它有关农林害虫提供了一种新的微生物菌剂。

Nestling growth, feeding amounts and percent occurrence of masson pine moth (Dendrolimus punctatus) in the nestling diet of great tit (Pa-rus major) during the first nestling periods for 4 years were investigated at Long Shan Farm, northern part of Zhejiang province where the densities of masson pine moth changed regularly from 1967-1988.Growth characteristics considered mainly were body weight, standard wing length and the length of outermost tail feathers. The best correlation between the length...

Nestling growth, feeding amounts and percent occurrence of masson pine moth (Dendrolimus punctatus) in the nestling diet of great tit (Pa-rus major) during the first nestling periods for 4 years were investigated at Long Shan Farm, northern part of Zhejiang province where the densities of masson pine moth changed regularly from 1967-1988.Growth characteristics considered mainly were body weight, standard wing length and the length of outermost tail feathers. The best correlation between the length of outermost tail feathers and the age of days from hatching (7 = 2.42 X- 14 ,X≥6 days, r=0.99) was used to determined the average age of a brood accurately. On that basis, the average fresh weight of nestling diet in different age of days were estimated (X=209mg XD = 65.7) by the crop content analysis for 30 days. Masson pine moth can be found in the nestling diet from 2-3 days to the day before fledging.The changes of clutch size, brood size, laying start and the percent occurrence of masson pine moth in the nestling diet of great tits during the first nestling periods from 1985-1988 were compared. Our data suggested that there are observable functional response of great tits to changes in moth densities but the numerical response caused by breeding are not obvious.

连续四年调查了浙北龙山林场大山雀的生育力及第一批雏鸟阶段食物中松毛虫食块的比率。根据雏鸟形态发育并结合外侧尾羽量度,利用关系式Y=2.42X-14(X≥6日龄,r=0.99)准确判断雏鸟日龄。对10窝424只次雏鸟连续30d扎颈取食分析,估计每只雏鸟日平均消费13.8个食块,重量为209mg(X_D=65.7),且从2—3日龄至离巢前,食物中都有松毛虫,平均为食块总数的24.9%(X_D=14.8)。随着龙山林场松毛虫种群密度的周期变化,大山雀的窝卵数、窝雏数、生殖季节开始时间及雏鸟食物中松毛虫的此率也发生变化。初步分析表明大山雀对松毛虫种群密度变化有明显的功能反应,但由繁殖而引起的数量反应不明显。

Biotic factor is a very important factor in insect population dynamics, which is also a necessity in the research of IPM of masson pine moth Dendrolimus punctatus. The results are as follows:There are a lot of natural enemies of masson pine moth, including spiders, insects, microorganisms and birds. They form a complicated complex of natural enemy. There are several lethal factors in the life table, which has been conducted for two years (1984-1985). 78% of the larvae are killed by predators and...

Biotic factor is a very important factor in insect population dynamics, which is also a necessity in the research of IPM of masson pine moth Dendrolimus punctatus. The results are as follows:There are a lot of natural enemies of masson pine moth, including spiders, insects, microorganisms and birds. They form a complicated complex of natural enemy. There are several lethal factors in the life table, which has been conducted for two years (1984-1985). 78% of the larvae are killed by predators and migration etc. after egg hatching, which form a main lethal factor in the life table. According to the systematic investigation on the influence of natural enemies. Biotic factor is supposed to be the main factor in the population dynamics of masson pine moth in 1984-1985.

龙山林场松毛虫天敌的种类繁多,从蜘蛛、昆虫、病菌到鸟类,构成一个极其复杂的天敌综合体。从两年四代生命表中可清楚地看出天敌的作用。在各类死亡因子中,最主要的是幼虫期的捕食性天故和其他一些死亡因子,所造成的死亡率平均为78%,根据天敌作用的系统考查,初步认为生物因子是这个周期(1984—1985年)松毛虫虫口下降的主导因子。

 
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