Propyryl oxadiazone feem ntau yog siv rau hauv nplej, qos yaj ywm, paj noob hlis, zaub, qab zib beets, txiv hmab txiv ntoo ntoo, thiab lwm yam.
Kev siv cov qoob loo: propargyl oxadiazone tuaj yeem siv rau hauv nplej, taum pauv, qos yaj ywm, pob kws, paj noob hlis, qab zib beet, txiv hmab txiv ntoo thiab qee cov zaub.
Lub hom phiaj ntawm kev tswj: Feem ntau yog siv rau kev tswj cov nroj tsuag dav dav, xws li paddy teb bermudagrass, dwarf arrowhead nceb, dej amaranth, knotweed, qhuav teb quinoa, cocklebur, purslane, amaranth, nightshade, lettuce, Abutilon, thiab lwm yam. muaj kev tswj xyuas zoo heev ntawm Chenopodium hauv cov qos yaj ywm; nyom nyom xws li barnyardgrass, stephenia, tribulus terrestris, xiav nees nyom, crabgrass, goosegrass, millet weeds, thiab lwm yam.; thiab Sharkweed Grass weeds xws li tshwj xeeb-puab sedge, tawg sedge, nyuj xav, thiab lwm yam. Nws muaj kev tswj zoo ntawm cov nroj tsuag vicious xws li Siyeping. Cov nyhuv tshuaj ntsuab ntawm propargyl oxadiazone tuaj yeem kav ntev li 30 hnub.
Kev thov ntawm propargyl oxadiazone hauv cov qoob loo uas tsis yog nplej
1 Daim ntawv thov ntawm propargyl oxadiazone rau qos yaj ywm
Gong Xiangyu et al. siv 80 feem pua propargyl oxadiazone WP los ua qhov kev sim ua ntej tshwm sim ib zaug tswj cov nroj tsuag hauv cov qos yaj ywm, thiab tshawb xyuas qhov ua tau zoo ntawm propargyl oxadiazone. Cov txiaj ntsig tau pom tias 30 hnub tom qab qos yaj ywm tshwm sim, cov nroj tsuag tswj cov nyhuv ntawm propargyl oxadiazone ntawm cov nroj tsuag yog 62.0 feem pua -98.6 feem pua, qhov inhibition tus nqi ntawm cov nyom tshiab yog 68.8 feem pua -98.5 feem pua , thiab cov qos yaj ywm tau nce ntau dua 6 feem pua. Tag nrho cov kev kho mob muaj kev nyab xeeb rau cov qos yaj ywm thiab tsis muaj phytotoxicity.
2 Kev siv ntawm propargyl oxadiazone hauv pob kws
Qhov pom zoo koob tshuaj ntawm 80 feem pua propargyl oxadiazone wettable hmoov ntawm pob kws yog 8-12 g / mu. Nws yog qhov zoo tshaj rau kev sib xyaw nrog acetochlor rau cov av sealing hauv daim ntawv thov. Cov nyhuv tswj yog siab dua 90 feem pua. Nws muaj kev nyab xeeb rau pob kws thiab tsis muaj phytotoxicity.
3 Daim ntawv thov ntawm propargyl oxadiazone hauv cov taum pauv
Gong Xiangyu et al. xaiv 80 feem pua propargyl oxadiazone wettable hmoov los tswj cov nroj tsuag nyob rau lub caij nplooj ntoos hlav soybean teb ib zaug tom qab soybean sowing thiab preemergence daim ntawv thov. 80 feem pua propargyl oxadiazone wettable hmoov tuaj yeem tswj cov nroj tsuag zoo xws li barnyardgrass, zaub qhwv, radish, zaub qhwv, foxtail, lettuce, spinach thiab lwm yam nroj tsuag hauv soybean teb. Gram ai/mu tov nrog acetochlor 900 g/liter EC 45 g ai/mu) muaj cov nyhuv zoo tshaj plaws, thiab kev tswj cov nyhuv nce mus txog 90 feem pua. Kev kho mob 3 (propargyl oxadiazone 80 feem pua wettable hmoov 9.6 g ai / mu) Tom ntej no, kev kho mob 1 (propargyl oxadiazone 80 feem pua wettable hmoov 4.8 g ai / mu) yog qhov qis tshaj, tab sis kev tswj cov nyhuv kuj mus txog ntau tshaj 80 feem pua. Nws muaj kev nyab xeeb thiab tsis muaj teeb meem rau kev loj hlob ntawm soybeans, thiab muaj kev nyab xeeb rau cov qoob loo tom ntej.
