Girman shukaretarder dole ne a cikin aiwatar da shuka amfanin gona.Ta hanyar daidaita ci gaban ciyayi da haɓaka haifuwa na amfanin gona, ana iya samun ingantacciyar inganci da yawan amfanin ƙasa.Abubuwan da ke haifar da ci gaban shuka yawanci sun haɗa da paclobutrazol, uniconazole, peptidomimetics, chlormethalin, da sauransu.Sannan,paclobutrasol, niconazole, paroxamine, chlorhexidine, da prohexadione calcium, menene bambance-bambance a cikin aikace-aikacen kasuwa na waɗannan samfurori?
(1) Prohexadione calcium: Wani sabon nau'in ci gaban shuka ne.
Ayyukan shine cewa zai iya hana GA1 a gibberellin, ya rage tsayin tsayin tsire-tsire, don haka yana sarrafa ci gaban tsire-tsire.A lokaci guda, ba shi da wani tasiri akan GA4 wanda ke sarrafa bambancin furen furen fure da haɓakar hatsi.
An ƙaddamar da calcium na Prohexadione a Japan a cikin 1994 a matsayin ci gaban ci gaban acyl cyclohexanedione.Gano sinadarin calcium na prohexadione ya bambanta da na quaternary ammonium salts (chameleon, mepinium), triazoles (paclobutrazol, alkene) Tsire-tsire masu ci gaba kamar oxazole) sun ƙirƙiri sabon filin hana ƙarshen-mataki na gibberellin biosynthesis, kuma an sayar da su a kasuwa. kuma ana amfani dashi sosai a Turai da Amurka.A halin yanzu, prohexadione-calcium ya damu da kamfanoni na cikin gida, babban dalilin shine idan aka kwatanta da triazole retarders, prohexadione-calcium ba shi da sauran guba ga tsire-tsire masu juyayi, babu gurɓata yanayi, kuma yana da amfani mai karfi.A nan gaba, yana iya maye gurbin ci gaban triazole, kuma yana da fa'ida mai fa'ida a cikin filayen, itatuwan 'ya'yan itace, furanni, kayan magani na kasar Sin da amfanin gona na tattalin arziki.
(2) Paclobutrasol: Yana hana gibberellic acid endogenous shuka.Yana da tasirin jinkirta ci gaban shuka, hana haɓakar tsinken amfanin gona, rage internodes, haɓaka tillering, haɓaka juriya na tsirrai, haɓaka bambance bambancen furen fure da haɓaka yawan amfanin ƙasa.Paclobutrasol ya dace da amfanin gona kamar shinkafa, alkama, gyada, bishiyar 'ya'yan itace, waken soya, lawns, da dai sauransu, kuma yana da tasiri mai ban mamaki na sarrafa girma.
Illolin paclobutrasol: Yin amfani da yawa na iya haifar da tsiron dwarf, gurɓatattun tushen sa da tubers, ganyaye masu naƙasa, berayen furanni, zubar da tsofaffin ganyen da ba a kai ba a gindi, da murɗaɗɗen ganyen samari.Saboda tsawon lokacin ingancin paclobutrasol, amfani da yawa zai kasance a cikin ƙasa, kuma zai haifar da phytotoxicity zuwa amfanin gona na gaba, wanda ba zai haifar da seedling ba, fitowar marigayi, ƙarancin fitowar seedling, da nakasar seedling da sauran alamun phytotoxic.
(3) Uniconazole: Hakanan mai hana gibberellin ne.Yana da ayyuka na daidaita ci gaban ciyayi, gajarta internodes, shuke-shuke dwarfing, haɓaka haɓakar toho a gefe da bambancin furen fure, da haɓaka juriya.Saboda da carbon ninki biyu bond na paclobutrasol, da nazarin halittu aiki da kuma magani sakamako ne 6 zuwa 10 sau da 4 zuwa 10 sau fiye da na paclobutrasol, bi da bi, da saura adadin a cikin ƙasa ne kawai game da kwata na na paclobutrazol, da kuma. Ingancin sa Rashin lalacewa ya fi sauri, kuma tasirin amfanin gona na gaba shine kawai 1/5 na na paclobutrasol.
Side effects na uniconazole: a lokacin da aka yi amfani da wuce kima allurai, shi zai haifar da phytotoxicity, haifar da shuke-shuke konewa, withering, matalauta girma, nakasar ganye, fadowa ganye, fadowa furanni, fadowa 'ya'yan itãcen marmari, marigayi balaga, da dai sauransu, da aikace-aikace a cikin kayan lambu seedling mataki. Hakanan zai shafi ci gaban shuka, Hakanan yana da guba ga kifi kuma bai dace da amfani da tafkunan kifi da sauran gonakin dabbobin ruwa ba.
(4) Peptidamine (Mepinium): Yana hana gibberellin.Yana iya inganta kira na chlorophyll, shuka yana da ƙarfi, ana iya shayar da shi ta cikin ganye da tushen shuka, kuma a watsa shi zuwa ga duka shuka, ta haka yana hana haɓakar ƙwayoyin sel da rinjaye apical, kuma yana iya rage internodes kuma ya sanya shuka. rubuta m.Yana iya jinkirta ci gaban shukar, ya hana shukar girma, da jinkirta rufewa.Peptamine na iya inganta kwanciyar hankali na membranes tantanin halitta kuma yana ƙara juriya na damuwa na shuka.Idan aka kwatanta da paclobutrazol da uniconazole, yana da kaddarorin magani masu sauƙi, babu haushi, da aminci mafi girma.Ana iya amfani da shi a cikin kowane lokaci na amfanin gona, har ma a cikin matakan seedling da flowering lokacin da amfanin gona ke da matukar damuwa ga kwayoyi., kuma a zahiri babu wani sakamako mara kyau.
(5) Chlormetrodin: Yana samun sakamako na sarrafa hyperactivity ta hanyar hana haɗin gibberellin endogenous.Chlormetrodin yana da tasiri mai tasiri akan ci gaban shuka, yana daidaita ci gaban ciyayi da haɓakar haifuwa, yana haɓaka pollination da ƙimar saitin 'ya'yan itace, kuma yana haɓaka haɓakar tillering.Jinkirta haɓakar tantanin halitta, tsire-tsire dwarf, ƙwaƙƙwaran mai tushe, da gajarta internodes.
Daban-daban daga paclobutrazol da mepiperonium, ana amfani da paclobutrazol sau da yawa a cikin matakin seedling da sabon matakin harbi, kuma yana da tasiri mai kyau akan gyada, amma tasirin kaka da amfanin gona na hunturu shine gabaɗaya;A kan gajeren amfanin gona, rashin amfani da chlormethalin da bai dace ba zai haifar da raguwar amfanin gona da yawa kuma phytotoxicity yana da wahala a sauƙaƙe;mepiperinium yana da ɗan sauƙi, kuma ana iya samun sauƙi ta hanyar fesa gibberellin ko shayarwa don ƙara yawan haihuwa bayan phytotoxicity.
Lokacin aikawa: Jul-19-2022