环流通风对粮堆内嗜卷书虱成虫种群数量调控研究
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摘要
目前,粮食在储藏期间书虱爆发越来越严重,而且难以防治,直接威胁粮食数量安全和卫生安全。本研究主要开展环流通风工艺调控粮堆内书虱成虫种群数量研究,实验结果发现0. 036、0. 054、0. 065m/s单位面积通风量环流通风对其有明确的生态调控效果,随着通风时间的增加,粮堆内嗜卷书虱死亡率可达到100%。同时,环流通风对粮堆内嗜卷书虱成虫种群数量调控强度与调控时间随单位面积通风量的增大而增强增快,0.036、0.054、0. 065 m/s单位面积通风量环流通风工艺下,粮堆内嗜卷书虱死亡率达80%时所需时间分别为84、72、30 h。使用生长曲线Logistic函数模型对环流通风过程中通风时间与嗜卷书虱成虫死亡率进行方程拟合。得到0. 036、0. 054、0. 065 m/s单位面积通风量环流通风嗜卷书虱成虫死亡率函数关系式分别为:M=0.002 1+0.038 3×0.985 4~t、M=-0.005 2+0.026 7×0.994 5~t、M=0.008 3+0.016 8×0.954 4~t;达到调控目的所需环流通风时间(LT_(90))分别为98. 4、89. 4、38. 3 h。
Currently, in the food storage period, there was a serious outbreak of Liposcelis, which directly threatens grain safety of quantity and sanitation, and was difficult to prevent and control. In this research, circulation ventilation was used to regulate the population of adults Liposcelis in the grain bulks. It was found that the ventilation rate of per unit area was 0. 036, 0. 054, 0. 065 m/s had a clear ecological control effect. With the prolongation of ventilation time, the mortality rate of Liposcelis bostrychophilus in the grain bulks could reach to 100%. At the same time,with the increase of the ventilation rate of per unit area, the control intensity and the regulation time of adults Liposcelis in the grain bulks were enhanced and contracted. The ventilation rate of per unit area was 0. 036, 0. 054, 0. 065 m/s of circulation ventilation, the time required for the mortality rate of the Liposcelis bostrychophilus in the grain bulks was 84 h, 72 h and 30 h respectively. The growth curve Logistic function model was used to fit the ventilation time and the Liposcelis bostrychophilus mortality rate in the circulation ventilation process. The relationship between the mortality rate of the Liposcelis bostrychophilus and the ventilation rate of per unit area of circulation ventilation were respectively as follows: M = 0. 002 1 + 0. 038 3 x 0. 985 4~t、M =-0. 005 2 + 0. 026 7 x 0. 994 5~t、 M =0. 008 3 +0. 016 8 x 0. 954 4~t. The required ventilation time( LT_(90)) for control purposes was 98. 4, 89. 4 and38.3 h respectively.
Currently, in the food storage period, there was a serious outbreak of Liposcelis, which directly threatens grain safety of quantity and sanitation, and was difficult to prevent and control. In this research, circulation ventilation was used to regulate the population of adults Liposcelis in the grain bulks. It was found that the ventilation rate of per unit area was 0. 036, 0. 054, 0. 065 m/s had a clear ecological control effect. With the prolongation of ventilation time, the mortality rate of Liposcelis bostrychophilus in the grain bulks could reach to 100%. At the same time,with the increase of the ventilation rate of per unit area, the control intensity and the regulation time of adults Liposcelis in the grain bulks were enhanced and contracted. The ventilation rate of per unit area was 0. 036, 0. 054, 0. 065 m/s of circulation ventilation, the time required for the mortality rate of the Liposcelis bostrychophilus in the grain bulks was 84 h, 72 h and 30 h respectively. The growth curve Logistic function model was used to fit the ventilation time and the Liposcelis bostrychophilus mortality rate in the circulation ventilation process. The relationship between the mortality rate of the Liposcelis bostrychophilus and the ventilation rate of per unit area of circulation ventilation were respectively as follows: M = 0. 002 1 + 0. 038 3 x 0. 985 4~t、M =-0. 005 2 + 0. 026 7 x 0. 994 5~t、 M =0. 008 3 +0. 016 8 x 0. 954 4~t. The required ventilation time( LT_(90)) for control purposes was 98. 4, 89. 4 and38.3 h respectively.
引文
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[2]劳传忠,冼庆,刘芳芳,等.杀虫剂对小眼书虱成虫的触杀毒力[J].粮食储藏,2007,36(4):11-12,18LAO Chuanzhong,XIAN Qing, LIU Fangfang, et al. The toxicity of insecticides to the adult Liposcelis paeta[J]. Grain Storage, 2007, 36(4):11-12,18
[3]王进军,赵志模,李隆术.嗜卷书虱的实验生态研究[J].昆虫学报,1999(3):277-283WANG Jinjun, ZHAO Zhimo, LI Longshu. The study on experimental ecological of the Liposcelis bostrychophilus[J]. Acto Entomologica Sinica, 1999(3):277-283
[4]孙冠英,曹阳,姜永嘉.温湿度对嗜卷书虱实验种群生长发育的影响[J].中国粮油学报,1999(6):58-62SUN Guanying, CAO Yang, JIANG Yongjia. Effects of temperature and humidity on the growth and development of experimental population of the Liposcelis bostrychophilus[J].Journal of the Chinese Cereals and Oils Association, 1999(6):58-62
[5]丁伟,王进军,赵志模,等.嗜卷书虱抗气性和抗药性品系选育及抗性风险分析[J].植物保护学报,2006(1):81-86DING Wei, WANG Jinjun, ZHAO Zhimo, et al. Breeding of gas resistant and medicine resistant of Liposcelis bostrychophilus, and analysis of resistance[J]. Journal of Plant Protection, 2006(1):81-86
[6]丁伟,陶卉英,张永强,等.磷化氢熏蒸处理对嗜卷书虱不同虫态的致死作用[J].农药学学报,2003,5(3):24-30DING Wei, TAO Huiying, ZHANG Yongqiang, et al. Lethal effects of phosphine fumigation on different insect states of Liposcelis bostrychophilus[J]. Chinese Journal of Pesticide Science, 2003, 5(3):24-30
[7] DEVINE T L. The dynamics of body water in the booklouse Liposcelis bostrychophilus(Badonnel)[J]. Journal of Experimental Zoology Part A:Ecological Genetics and Physiology,1982, 222(3):335-347
[8]吴子丹.绿色生态低碳储粮新技术[M].北京:中国科学技术出版社,2011WU Zidan. Green ecological low-carbon stored grain new technology[M]. Beijing:Science and technology of China press,2011
[9]吴子丹,张忠杰,曹阳,等.粮仓横向通风方法及其系统:CN, CN 101569263 B[P].2012WU Zidan, ZHANG Zhongjie, CAO Yang, et al. The lateral ventilation method and system of granary:CN, CN101569263 B[P].2012.