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Development of Sequential Sampling Plan for Bacterial Leaf Blight of Garlic by Cluster Sampling
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  • Journal title : Research in Plant Disease
  • Volume 21, Issue 4,  2015, pp.268-272
  • Publisher : Korean Society of Plant Pathology
  • DOI : 10.5423/RPD.2015.21.4.268
 Title & Authors
Development of Sequential Sampling Plan for Bacterial Leaf Blight of Garlic by Cluster Sampling
Song, Jeong Heub; Yang, Cheol Joon; Yang, Young Taek; Shim, Hong Sik; Jwa, Chang Sook;
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 Abstract
Bacterial leaf blight caused by Pseudomonas syringae pv. porri is one of the major bacterial diseases of garlic (Allium sativum). In South Korea, the disease has only been observed in garlic-growing regions of Jeju island. The spatial distribution pattern of the disease was analyzed by binary power law, in which the natural logarithm of the observed variance is regressed on the natural logarithm of the binomial variance. The estimated slope (b=1.361) of the regression was greater than 1 which meant that the diseased plants were aggregated. The sequential sampling plans were developed for estimating the mean incidence rate () and classifying the mean incidence as being below or above the critical incidence rate (). These results could be used on more efficient and higher precisive sampling for bacterial blight of garlic compared to fixed sample sized sampling.
 Keywords
Bacterial leaf blight;Binomial power law;Garlic;Sequential sampling plan;
 Language
Korean
 Cited by
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