1. Scope ntawm daim ntawv thov
Grapes, lychees, dib, melons, iab melons, txiv lws suav, peppers, qos yaj ywm, cruciferous zaub. Dimethomorph muaj kev tswj xyuas zoo rau cov kab mob me me, kab mob me me, kab mob lig, blight (mildew), blight rot, pythium, dub shank thiab lwm yam kab mob uas tsis tshua muaj fungal. Ntawm cov zaub, nws tuaj yeem tswj tau dib downy mildew, melon downy mildew, taro blight, kua txob blight, cruciferous zaub downy mildew, thiab lwm yam.
Dimethomorph formulations include 25%, 30%, 50% wettable powder, 25% microemulsion, 10%, 20%, 40%, 50% suspension concentrate, 40%, 50%, 80% water dispersible granule, 50% effervescent tablet, 10%, 15% water emulsion. Dimethomorph is white powder or crystal. It is hydrolytically stable under normal conditions, and its stability is >5 xyoo nyob rau hauv qhov tsaus ntuj.
2. Yuav siv li cas
(1) Tswj downy mildew ntawm melons xws li dib, melons, thiab iab gourds.
Thov ua ntej pib lossis thaum pib pib, siv 50 feem pua dej dispersible granules los yog 50 feem pua wttable hmoov 30-40 grams, 80 feem pua dej dispersible granules 20-25 grams, 40 feem pua dej dispersible granules {{6 }} grams per mu , 60-80 grams ntawm 25 feem pua wettable hmoov, 150-200 milliliters ntawm 10 feem pua aqueous emulsion, tov nrog 45-75 kilograms dej rau txau. Txau ib zaug txhua 7-10 hnub, siv nws hloov pauv nrog ntau hom tshuaj tua kab, tsom rau sab nraub qaum ntawm nplooj, thiab siv 3 zaug ua ke.
(2) Tiv thaiv thiab kho cov kua txob blight.
Txau ua ntej pib lossis thaum ntxov ntawm qhov pib, siv 30-40 grams ntawm 50 feem pua cov hmoov ntub dej rau ib mu, thiab sib tov nrog dej 50-75 tshuaj tsuag. Nyob ntawm qhov kev loj hlob ntawm tus kab mob, cov tshuaj tau muab tshuaj ib zaug txhua 5-7 hnub, thiab cov tshuaj tau siv tsis tu ncua rau 3 zaug.
(3) Tswj cov txiv lws suav lig blight.
Nyob rau hauv thawj theem ntawm tus kab mob, 40-60 grams ntawm 50 feem pua wettable hmoov yog siv rau mu, tov nrog 40-50 kilograms ntawm dej rau tshuaj tsuag.
(4) Tswj lws suav Phytophthora paus rot.
Nyob rau hauv thawj theem ntawm tus kab mob, ncuav 2000 zaug ntawm 50 feem pua wettable hmoov los yog 1000 zaug ntawm 50 feem pua boscalid dej-dispersible granules thiab ntxiv 750 zaug ntawm 50 feem pua dimethomorph dej-dispersible granules.
(5) Tswj qos yaj ywm lig blight.
Txau rau thawj theem ntawm tus kab mob, tshuaj tsuag nrog 1000 zaug kua ntawm 50 feem pua ntawm cov hmoov ntub dej. Txau ib zaug txhua 7-10 hnub, thiab siv nws ua ke nrog cov neeg sawv cev sib txawv.
(6) Tswj lettuce downy mildew.
Txau rau thawj theem ntawm tus kab mob, tshuaj tsuag nrog 50 feem pua wettable hmoov 1000 zaug ua kua. Txau ib zaug hauv 7-10 hnub, thiab tshuaj tsuag li 2 zaug ua ke, tsom rau sab nraub qaum ntawm nplooj.
(7) Tswj downy mildew ntawm cruciferous zaub.
Siv 20-25 grams ntawm 80 feem pua dej-dispersible granules los yog 50 feem pua wttable hmoov, 30-40 grams ntawm 50 feem pua dej-dispersible granules, 30-40 grams ntawm 40 feem pua dej-dispersible granules, thiab { {10}} grams ntawm 25 feem pua dej-dispersible hmoov ib mu. gram, 100-150 milliliters ntawm 10 feem pua dej emulsion, tov nrog 30-45 kilograms dej thiab tshuaj tsuag.
(8) Tiv thaiv thiab kho cov tshuaj tiv thaiv kab mob blight, damping-off thiab qia puag blight ntawm txiv hmab txiv ntoo thiab zaub.
Pib irrigate (los yog tshuaj tsuag) lub noob los yog lub hauv paus ntawm cov nroj tsuag qia nrog cov kua thaum cov nroj tsuag muaj kab mob yog thawj zaug pom, ib zaug txhua txhua 10 hnub los yog li ntawd, thiab siv cov tshuaj ob zaug tsis tu ncua. Feem ntau siv 80 feem pua dej dispersible granules 2000-3000 zaug ua kua los yog 50 feem pua wettable hmoov, 50 feem pua dej dispersible granules 1500-2000 zaug kua, 40 feem pua dej dispersible granules 1000-1500 zaug kua, 10 feem pua dej emulsion 300- 400 lub sij hawm daws teeb meem
(9) Tiv thaiv thiab kho cov kab mob ntawm melons, solanaceous txiv hmab txiv ntoo thiab nplooj zaub.
Feem ntau, 35-50 grams ntawm cov khoom xyaw nquag siv rau ib mu, thiab 30-60 kg dej yog txau. Nws yog qhov zoo los siv cov tshuaj ua ntej tus kab mob tshwm sim los yog thaum pom thawj zaug.
(10) Tswj scallions thiab dos downy mildew.
Nyob rau theem pib ntawm tus kab mob, tshuaj tsuag nrog 600 zaug ua kua ntawm 50 feem pua ntawm cov hmoov ntub dej. Txau ib zaug txhua 7-10 hnub, thiab tiv thaiv thiab kho 2-3 zaug tsis tu ncua.
(11) Tswj strawberry Pythium cag rot.
Txau 2000 zaug ua kua ntawm 50 feem pua cov hmoov ntub dej thaum lub sijhawm loj hlob.
(12) Kev tiv thaiv thiab kev kho mob ntawm strawberry cag rot.
Dej 2000 zaug kua ntawm 50 feem pua dimethomorph wettable hmoov los yog 600-800 zaug kua ntawm 69 feem pua dimethomorph wettable hmoov.
(13) Tswj qos yaj ywm lig blight.
Txau nrog 1500 npaug ntawm cov kua ntawm 50 feem pua ntawm cov hmoov ntub dej.
