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2008 200830200508-3 -3 -3 -4 -8 -12 -14 -15 -18 -19 -20 200830200508 081 () ()() () () () () () () 1 (1)(2) (3)2(1)(2)(3)(4) (5)(6) (7) (8)(10) (11) 12313-42 3 11-1,1-21-1111# () () () 1 (1)(2) (3)2(1)(2) (3) (4)(5) (6)(7) (8)(10)(11) 13-42 ()() 1 20.1%() 95%() 1000ppm 1612 1111 12-3mm275%30s0.1%0.51min3 3pda2523 175%300.1%0.5132125-10 3428-302 1. 2.1 231. 0.5*1 cm2. 3. 1. 2. 3. 1. 2.1 10cm 2 3 a.ustilago. 1. ()()()()(uromyces vignae barclay)2. sphaerotheca fuligineaerysiphe cucurbitacearum3. 1092001110201261 .1. 2. .1. pda1 100g 10g 9g 500ml500ml1230ph2 1.8g 6g 10.8g 600ml600ml600ml0.1n naoh0.1n hcl3lph7.27.412302. 116018018050210012120302123541515203055 1. 2. phph 1. ,2. 3. 4. 5. 6. 13247. 8. 9. ,10. 11. 101512. 15
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