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亮點成果及重大突破-計畫亮點花蓮區農業改良場-李建瑩、徐子芳
單一/細部計畫名稱:降低高接梨梨穗寒害與梨果高溫生理障礙技術研究
計畫亮點名稱:降低高接梨穗低溫寒害減災調適栽培技術-「高接梨穗防寒金鐘罩」
計畫亮點說明:
1. 第一次嫁接之豐水品種梨穗以加熱噴霧處理相較無噴霧對照B區可提高11~18%著果率、
減少11~15%花果受害率(重新嫁接比例)。
2. 重新嫁接(第二次嫁接)之黃金品種梨穗以加熱噴霧處理相較無噴霧對照B區可提高
14~21%著果率。
成果圖表
Table 1. Effect of heated-mist spray treatment on budbreak, fruit set, chilling injury of grafted ‘Housui’ pear scion.
處理 嫁接穗數 萌芽穗數 萌芽率(%) 每穗著果數 著果率(%) 重新嫁接穗數 花果受害率(%)
Treatment Grafted scion Bud breaking Bud breaking rate Fruit setting Fruit setting rate Re-grafted Chilling injury
number per tree scion number per tree number per per tree scion number rate on flower
per tree scion per tree per tree and fruit per tree
T1 z 58.50 ± 3.54 48.00 ± 1.41 82.13 ± 2.55 abcd 1.94 ± 0.20 a 78.85 ± 7.18 a 10.50 ± 2.12 17.87 ± 2.55 bc
y
T2 61.50 ± 13.44 50.50 ± 9.19 82.45 ± 3.06 abcd 2.22 ± 0.56 a 82.45 ± 3.06 a 13.00 ± 1.41 20.57 ± 1.21 b
T3 36.50 ± 6.36 31.00 ± 2.83 85.56 ± 7.17 abcd 2.04 ± 0.19 a 85.56 ± 7.17 a 5.50 ± 3.54 14.44 ± 7.17 bc
CK-A 80.50 ± 6.36 65.50 ± 4.95 81.38 ± 0.28 abc 1.92 ± 0.34 a 80.79 ± 1.12 a 15.00 ± 1.41 18.62 ± 0.28 c
CK-B 66.33 ± 10.69 45.67 ± 7.57 70.97 ± 7.90 abd 2.01 ± 0.21 a 67.21 ± 4.39 b 20.67 ± 6.03 31.05 ± 6.59 a
z T1: heated-mist spray treatment-the first raw of pear trees. T2: heated-mist spray treatment-the second raw of pear trees. T3: heated-mist spray treatment-the third raw of pear trees.CK-A: unmisting control check-the A
area of pear trees. CK-B: unmisting control check-the B area of pear trees.
y Data represent ± standard deviation. Means within a column followed by the same letter(s) were not significant different by Fisher’s protect least significant difference (LSD) test or Student’s T-test (p<0.05).
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