Recently, peach orchards Plautia stali, Halyomorpha halys, Apolygus spinolae, etc. several species of stink bugs continually damaged. This study using a aggregation pheromone were Riptortus clavatus forecasting investigated at cheongdo, Gyeongsan, Youngchun, etc. gyeongbuk province. As a result, emergence time and population density differences, respectively. The population density of R. pedestris the first time that occur was in mid-April in 2011 and 2012. In March 2013, under the influence of high temperatures in the first occur early April after a temporary increase in the first occur, due to low temperature occur in the early or mid May. Stink bugs leaf damage late April until mid-May increased, while the decrease rainy season increased again in the early August. fruit is severe damaged from mid-May to mid-June and early or mid August. Time period pesticide applications to examine the control effect of stink bugs from 7 a.m. to 7 p.m. separated by four kinds of insecticides treatment. when spray insecticides 7 a.m. the control effect was higher in the treatment group. These results suggest that, stink bugs of the peach fruit through the feeding area, young fruit stage Xanthomonas arboricola pv. pruni and maturation stage Monilia fruticola secondary increased a cause of disease damage.

This study was conducted to construct a DNA marker database for 38 plum varieties collected in Korea using simple sequence repeat (SSR) markers. A set of 61 SSR primer pairs was tested to select polymorphic SSR markers between 8 varieties. Among the 61 primer pairs, 21 showed polymorphism, reproducibility and easy scoring. The genetic relationship between the 21 SSR markers and 38 varieties was analyzed. A total of 210 polymorphic amplified fragments were obtained with the 21 SSR markers. Three to seventeen SSR alleles were detected for each locus, with an average of 10.0 alleles per locus. Average polymorphism information content (PIC) was 0.758, with a range from 0.549 to 0.870. A total of 210 SSR marker loci were used to calculate Jaccard’s distance coefficients for cluster analysis by an unweighted pair-group method with arithmetical average (UPGMA). The genetic distance ranged from 0.06 to 1.00 in 38 varieties. Out of 38 plum varieties, 32 were identified using the 21 SSR markers. Therefore, these SSR markers may be employed to complement distinctness, uniformity, and stability (DUS) tests or as potential tools to solve seed disputes regarding plums.