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崔星植,劉成吾 圓光大學校 1978 論文集 Vol.12 No.-
生講을 加害하는 病害忠을 調査한바 다음과 같은 結果를 얻어 報한다. 1) 生康圃場에서 檢出된 線忠은 Meloidogyne hapla, Criconemoidesin Formis, Rotylenchus, Aphelenchus, Aphelenchoides, Ditylenchus, Paratylenchus, Xiphinema, (Dorylaimus, Saparazoic : Non-parasitic nematodes) 等이며 C.informis, Rotylenchus, Xiphinema等은 生康圃場에서는 처음 記錄하였다. 이들중에 優占種은 M. hapla, C.informis, Aphelenchus, Aphelenchoides 等이다. 植物寄牲성 線忠의 密度는 300cc의 土壤속에 平均 267마리였고 非寄生性인 Saparazoic은 935마리였다. 2) 線忠의 防除效果는 Marcap과 Temic이 50%선이고 Disyston,Curaterr은 30% 수준이고 Diazinon은 10%未滿에 不過한 殺線忠率을 보이고 있다. 3) 生薑에 뿌리옹애(Rhizoglyphus echinopus)가 根莖에 甚하게 加害하며 점박이응애 (Tetranychus telarius)는 藥에서 즙액을 흡수하여 被害가 甚하다. 뿌리응애의 藥濟防除效果는 Temic은 89%, Diazinon은 78%, Curaterr는 71%, Morcap과 Disyston은 60%가량의 殺甥率 보이고 있다. 4) 生康에 加害하는 害忠으로는 조명나방(Ostrinia furnacalis), 거세미나방(Euxoa segetum), 애모무늬잎말나방(Adoxophyes orana fascista)等이며 被害率은 조명나방에 의해서는 圃場에 따라 10∼30%이고 거세미나방에 의해서는 5∼20%였다. 5) 生康에 發生하는 病害는 腐敗病(Bacterial rot),葉枯病(Mycosphaserella zingiberi), 稻熱病(Piricularia zingiberi), 白星病(Phyllosticta zingiberi), 紋枯病(Rhizoctonia solani), 萎縮病(Virus병)等을 圃場에서 病徵的으로 確認하였으며 各病原을 PDA培地에 培養하여 Fusarivm菌屬, Mycosphaerella菌屬, Phyllosrticta菌屬등이 分布되었음을 確認하였다. 6) 各種 病害의 發病率은 圃場曆에 따라 다르나 腐敗病은 5∼50%(平均 30%)로 被害가 가장 甚하고 白星炳은 5∼10%, 萎縮病은 약 5%의 被害주가 發見되었다. This study was intended to survey the pests which was hrmful to gingers and through the study some conclusions as follows; 1) The nematodes detected in ginger beds were Meloidogyne hapla, Criconemoides informis, Rotylenchus, Xiphinema, Aphelenchus Aphelenchoides, Ditylenchus, Paratylenchus (Saparazoic, Dorylaimus:Non-plant parasitic nematodes) etc. Especially C. informis, Rotylenchus and Xiphimema were detected for the first time in ginger beds in Korea. Among these pests, M. hapla, C. informis, Aphelenchus, and Aphelenchoides were foundas dominant species. The density of plant parasitic nematodes is 265 nematodes to 300c.c of soil in the mean value while that of non-olant parasitic nematodes (Saparazoic) is 935 to 300 c.c. 2) The ratios of exterminating nematodes shows the effects according to the chemicals treacted soil as the following : Moracp and Temic stamped out 50% of nematodes, while Curaterr(30%) and Diazinon(10%) in turn. 3) Rhyzoglyphus echinopus does much harm to the rhizom of a ginger, and Tetranychus telarius to the leaves by absorbing the sap. The extermination ratios of exterminating Rhyzoglyphus echinopus were shown as follows: Temic was 89%, Diazinon(78%), Curaterr(71%), Morcap and Disyston(60%). 4) Injurious insectsf or gingers are Ostrinia furnacalis, Euxoa segetum, Adoxophyes orana fasciata, etc. The proportions of injury according to the kind of insects are as the following : O. furnacalis(10∼30%), E. segetum(5∼20%) and so on. 5) Bacterial rot, Late blight, Sheath blight, Leaf spot, Blast, and Virus disease were symptomatically found as diseases of ginger in Korea, Fusarium, Mycosphaerella, and Phyllosticata was found by culturing in PDA media. 6) Through the proportions of diseases causing illness are different according to the beds, it was found that Bacterial rot caused the most strict harm(5∼50%:30% in the mean value), while the second was Leaf spot disease (5∼10%) and the third, Virus disease (nearly 5%).
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金鎭洙,朴仁鉉,劉成吾 圓光大學校 1979 論文集 Vol.13 No.2
1977年과 1978年 二個年間에 걸쳐 全北裡里地方의 主要果樹인 사과, 배, 복숭아, 포도의 花芽分化期를 品種別로 調査한바 그의 結果는 다음과 같다. 1. 사 과 1978年에는 紅玉, Starking 다 같이 6月12日, 國光은 6月19日에 花芽分化期에 도달했으며 1977年에 比하여 約 3週日 빨리 分化期에 달했다. 2. 배 1978年에는 今村秋는 6月12日, 長十向는 5月29日에 花芽分化期에 達했으며, 1977年에 比하여 週 1日間 빨리 分化期에 到達했다. 3. 복 숭 아 1978年에는 倉方早生, 大久保 다 같이 7月17日에 花芽分化期에 到達했으며, 1977年 比하여 2週日間 빨리 分化期에 達했다. 4. 포 도 1978年에는 Schuyler와 Muscat BaileyA 다 같이 5月22日에 華雅分化期에 到達했으며, 1977年에 比하여 1週日 빨리 分化期에 達했다. 5. 上記한 바와 같이 1978年도가 1977年보다 主要果樹의 華芽分化期가 빠른 原因은 日照時間이 많고 積算溫道가 높은데 基因된 것 같다. The time of flower bud differentiation in apples, pears, peaches, and grapes upon the varieties which were main fruit trees in Iri districts was investigated in 1977 and 1978, and the results of which were as follows. 1) In the apples, the times of flower bud differentiation of jonathan and Starking were on the twelfth of June and that of Rall's Janet was on the nineteenth of June. This was about 3 weeks earlier that those in 1977. 2) In the pears, the time of flower bud differentiation of Kumchonchu was on the twelfth of June and that of Changsiprang was on the twenty-ninty of May. This was one week earlier than those in 1977. 3) In the peaches, the times of flower bud differentiation of Changbang Josaeng and Daekubo were on the seventeenth of July. This was two weeks earlier than those in 1977. 4) In the grapes, the times of flower bud differentiation of Schuylar and Muscat Bailey A were on the twenty-second of May. This was one week earlier than those in 1977. 5) As described above, the cause of earlier reaching the time of main fruit trees in 1978 than those in 1977 seemed to be principally caused by higher sum of temperature and higher sum of duration of duration of sunshine in 1978 than those in 1977.
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