番椒(Capsicum spp.)品系抗青枯病之篩選

Screening of Peppers for Resistance to Bacterial Wilt Caused by Ralstonia solanacearum

林俊義(Chien-Yih Lin) ； 許秀惠(Shiow-Huey Hseu) ； 王三太(San-Tai Wang) ； 曹幸之(Shing-Jy Tsao) ； 顏志恆(Jyh-Herng Yen) ； 蕭吉雄(Chi-Hsiung Hsiao)

《中華農業研究》 48卷4期 (1999/12) Pp. 71-83

https://doi.org/10.29951/JARC.199912.0007

摘要

以剪葉接種法評估不同番椒品系對青枯病菌(Ralstonia solanacearum)之抗感性，共評估二批材料，計123個品系。第一批供試35個品種（系），皆為辣椒類型，其中包含13個臺灣商業品種與22個農試所自交系，發病指數最低為11.4%，最高為100%，而高抗、抗、感、高感病等級各有2、19、11及3個品種（系），顯示品種（系）間抗感病性差異明顯。供試品種（系）中達高抗病者為自交系的'4207-5-37-4-2-2-5'與'14207-16-45-2-2-1-1'，但商業品種中‘生生199’、‘美香194’、‘千里香’等5個品種達抗病的等級，屬高感病等級者為商業品種的‘長香’、‘新香’，及‘生生197’。自留品系在高抗、抗、感及高感四等級的比率分別占9.2、63.6、27.2及0%，而商業品種則為0、38.5、38.5及23.0%，顯示選留品系較商業品種抗青枯病。第二批供試88個品種（系），包括辣椒與甜椒類型，為來自國家種源庫保存之種源，其中高抗、抗、感、高感四等級各有28、27、26及7個品種（系），發病指數最低為1.4%，最高90.0%，屬高感等級的7個品種（系）皆為甜椒類型，而高抗的28個品種（系）則皆為辣椒類型。

關鍵字

番椒 ； 青枯病 ； 抗病篩選

並列摘要

Two sets of pepper materials, totally 123 cultivars or lines, were screened for their resistance to bacterial wilt caused by Ralstonia solanacearum using a leaf-clip inoculation method. The first set of tested materials included 13 local commercial cultivars and 22 TARI inbreeding lines, which were all hot pepper type. Among them, the disease index of the lowest was 11.4% and the highest was 100%. The number of cultivars or lines rated as highly resistant, resistant, susceptible and highly susceptible were 2, 19, 11, and 3, respectively. The two highly resistant peppers were the inbreeding lines: '4207-5-37-4-2-2-5' and '4207-16-45-2-2-1-1', and the three highly susceptible peppers were all commercial varieties: 'Long Chili', 'New Corner', and 'Hungariana'. However, the commercial varieties, 'Smatra', 'Hot Beauty', 'Delicacy', 'Avon Eg', and 'Ever Flavor' showed resistance. The ratios of highly resistant, resistant, susceptible and highly susceptible among TARI inbreeding lines were 9.2, 63.6, 27.2, and 0%, respectively and the commercial varieties were 0, 38.5, 38.5, and 23%, respectively. This indicated that the TARI inbreeding lines were more resistant to bacterial wilt than the commercial varieties. The second set of tested materials were samples obtained from the Office of Plant Germplasm totally including 88 cultivars or lines of sweet and hot pepper types. Among these materials, the lowest disease index was 1.4% and the highest was 90.0%. The number of cultivars or lines rated as highly resistant, resistant, susceptible and highly susceptible were 28, 27, 26, and 7, respectively. The seven highly susceptible varieties (lines) were all sweet pepper type and the 28 highly resistant cultivars (lines) were all belonged to hot peppers.

並列關鍵字

Capsicum spp. ； bacterial wilt ； resistance screening ； Ralstonia solanacearum