A Systems Model for the Prediction of Rice Dwarf Virus Infection of Middle-season Rice
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概要
- 論文の詳細を見る
A systems model to predict the percentage (100A_T) of rice hills infected with rice dwarf virus (RDV), which is transmitted by the green rice leafhopper, Nephotettix cincticeps UHLER, is presented. For the relationship between A_T and the density (N_A) of adult immigrants to the production rice field, the following submodel is used : A_T=1-exp(-aN_ALP), where a is the rate (number of hills) of successful transmission of RDV by an infective adult per day, L is the mean longevity of adults, and P is the proportion of infective individuals in the population. N_A can be correlated with the density of leafhoppers developing on wild hosts in a fallow paddy field before their dispersal. Simulation suggested that, assuming P=0.05,a=1 and L=10,about 0.4 adult immigrants per/hiss will give rise to 15% RDV-infected rice hills (a tolerable injury leve) inproduction field requiring control measures.
- 日本応用動物昆虫学会の論文
- 1977-06-25
著者
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桐谷 圭治
Division of Entomology, Prefectural Institute of Agricultural and Forest Science
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KIRITANI KEIZI
Division of Entomology, Prefectural Institute of Agricultural and Forest Science
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Kiritani Keizi
Division Of Entomology National Institute Of Agro-environmental Sciences
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Nakasuji Fusao
Division Of Entomology Prefectural Institute Of Agricultural And Forest Science
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Nakasuji Fusao
Division Of Entomology Prefectural Institute Of Agricultural And Forest Science:(present Address)lab
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中筋 房夫
Division of Entomology, Prefectural Institute of Agricultural and Forest Science
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