臺灣農藥科學第四期電子書

44 臺灣農藥科學 第 4 期 溫確實與案件資料一致，此季節為疏花、 疏果之重點時期 (3) ，顯示當一地區之均溫 高於 24 ℃ 或最高溫高於 32 ℃ 時應開始積 極預防此病害 ( 表九 ) 。 表八 、柑桔類薊馬案件氣象資料統計 Table 8. Meteorological data pertaining to citrus thrips between 2001 and 2016 (A) Cases submitted at current and previous month and its temperature ( ℃ ) and relative humidity (RH) Parameter 1) Temperature ( ℃ ) Average RH (%) 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 Total Average ( ℃ ) Previous month A 1 13 8 4 9 14 20 15 2 86 22.7±5.0 76.8±4.4 H 1 4 10 17 17 3 52 33.4±2.4 L 1 2 2 4 3 3 6 8 7 14 2 52 18.6±5.3 Current month A 9 1 1 9 10 2 17 5 16 18 88 21.9±6.0 75.8±4.4 H 2 5 14 9 15 4 3 52 33.1±2.8 L 3 2 2 3 5 8 1 8 4 14 2 52 17.8±5.5 (B) Average temperature ( ℃ ) by region Region Month 1 2 3 4 5 6 7 8 9 10 11 12 Taichung 16.9 18.1 20 23.6 26.5 27.8 28.8 28.4 27.7 25.5 22.3 18.6 Nantou 11.5 12.9 14 16.5 18.3 19.2 20.4 20.1 19.4 18 15.8 12.5 Yunlin 16.7 18 20 23.7 26.6 28.1 29.2 28.8 27.9 25.4 22.2 18.4 Chiayi 16.8 18.1 20 23.5 26.3 28 28.8 28.4 27.4 24.9 21.7 18.2 (C) Cultivated procedure Procedure Plantation or graft Fruit thining Plantation or graft Pruning Pruning Harvest Harvest 1) Parameter: A=average temperature in one month; H= the highest temperature in one month; L= the lowest temperature in one month.