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GA 及 Fulmet 對 黑 后 葡 萄 花 穗 發 育 之 影 響

臺中區農業改良場研究彙報44:35-44 (1994) - 台中區農業改良場

臺中區農業改良場研究彙報44:35-44 (1994) - 台中區農業改良場

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38臺 中 區 農 業 改 良 場 研 究 彙 報 第 四 十 四 期表 三 、<strong>GA</strong> 3 <strong>及</strong> <strong>Fulmet</strong> <strong>對</strong> 第 一 收 <strong>黑</strong> <strong>后</strong> <strong>葡</strong> <strong>萄</strong> <strong>花</strong> 蕾 <strong>及</strong> 子 房 橫 徑 <strong>之</strong> <strong>影</strong> <strong>響</strong>Table 3. Effects of <strong>GA</strong> 3 and <strong>Fulmet</strong> on floret and ovary horizontal length in first harvest Black QueengrapevineFloretOvaryTreatment 1 Flowering4-leaf stage 6-leaf stage 8-leaf stage 10-leaf stagestage---------------------------------- mm ---------------------------------------<strong>GA</strong> 3 1 ppm - 1.40 1.66 2.12 1.23<strong>GA</strong> 3 2 ppm - 1.40 2.01 2.18 1.26<strong>GA</strong> 3 5 ppm - 1.55 1.83 2.18 1.28<strong>GA</strong> 3 10 ppm - 1.43 1.83 2.07 1.20<strong>Fulmet</strong> 5 ppm - 1.55 2.10 2.47 1.33<strong>Fulmet</strong> 10 ppm - 1.68 1.85 2.63 1.35<strong>GA</strong> 3 5 ppm + <strong>Fulmet</strong> 5 ppm - 1.66 1.78 2.35 1.32<strong>GA</strong> 3 5 ppm + <strong>Fulmet</strong> 10 ppm - 1.63 2.38 2.61 1.48CK 1.08 1.15 1.73 2.17 1.28LSD (5%) - 0.17 0.12 0.15 0.151 Treatment was carried out at the 4-leaf stage.表 四 . <strong>GA</strong> 3 <strong>及</strong> <strong>Fulmet</strong> <strong>對</strong> 第 一 收 <strong>黑</strong> <strong>后</strong> <strong>葡</strong> <strong>萄</strong> <strong>花</strong> 蕾 <strong>及</strong> 子 房 鮮 重 <strong>之</strong> <strong>影</strong> <strong>響</strong>Table 4. Effects of <strong>GA</strong> 3 and <strong>Fulmet</strong> on floret and ovary fresh weight in first harvest Black QueengrapevineFloretOvaryTreatment 1 Flowering4-leaf stage 6-leaf stage 8-leaf stage 10-leaf stagestage---------------------------------- mg/10--------------------------------------<strong>GA</strong> 3 1 ppm - 13.5 29.9 43.9 32.2<strong>GA</strong> 3 2 ppm - 15.8 30.2 48.3 30.0<strong>GA</strong> 3 5 ppm - 17.0 28.7 46.7 29.4<strong>GA</strong> 3 10 ppm - 13.7 30.3 39.7 28.4<strong>Fulmet</strong> 5 ppm - 22.6 50.1 63.9 39.0<strong>Fulmet</strong> 10 ppm - 20.7 46.7 62.0 41.5<strong>GA</strong> 3 5 ppm + <strong>Fulmet</strong> 5 ppm - 20.0 48.3 58.5 40.4<strong>GA</strong> 3 5 ppm + <strong>Fulmet</strong> 10 ppm - 21.4 50.4 63.5 43.2CK 9.8 13.6 34.7 41.5 28.9LSD (5%) - 2.6 2.6 4.7 1.61 Treatment was carried out at the 4-leaf stage.<strong>GA</strong> 3 <strong>及</strong> <strong>Fulmet</strong> <strong>對</strong> 第 二 收 <strong>黑</strong> <strong>后</strong> <strong>葡</strong> <strong>萄</strong> <strong>花</strong> <strong>穗</strong> <strong>發</strong> <strong>育</strong> <strong>之</strong> <strong>影</strong> <strong>響</strong>第 二 收 <strong>花</strong> <strong>穗</strong> 伸 長 <strong>之</strong> 結 果 如 表 五 所 示 ,<strong>GA</strong> 3 低 濃 度 1 或 2 ppm <strong>之</strong> 處 理 , <strong>對</strong> 促 進 <strong>花</strong> <strong>穗</strong> 伸 長 <strong>之</strong>效 果 並 不 顯 著 , 而 以 <strong>GA</strong> 3 5 ppm、10 ppm <strong>及</strong> 25 ppm 處 理 者 較 顯 著 變 長 , 其 增 長 期 間 以 6 至 8 葉期 較 多 , 添 加 <strong>Fulmet</strong> <strong>之</strong> 增 長 效 果 反 而 較 差 , 但 均 較 <strong>對</strong> 照 <strong>之</strong> 6 cm 為 長 。<strong>對</strong> <strong>花</strong> 蕾 <strong>及</strong> 子 房 <strong>之</strong> 縱 徑 <strong>及</strong> 橫 徑 <strong>之</strong> <strong>影</strong> <strong>響</strong> 如 表 六 <strong>及</strong> 表 七 所 示 , 在 縱 徑 調 查 <strong>之</strong> 結 果 可 <strong>發</strong> 現 <strong>GA</strong> 3處 理 <strong>之</strong> 濃 度 越 高 , <strong>花</strong> 蕾 <strong>及</strong> 子 房 <strong>之</strong> 縱 徑 有 越 長 <strong>之</strong> 趨 勢 , 其 中 又 以 高 濃 度 <strong>之</strong> 10 ppm <strong>及</strong> 25 ppm 更

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