Masu noman dankalin turawa na iya buƙatar sake tunanin dogaron da suka saba da shi kan maganin ciyawa da suka fara fitowa a wannan shekara bayan bushewar yanayi.
Yayin da shuka ya ci gaba da kyau godiya ga kyawawan yanayi, busassun ƙasa za su yi mummunan tasiri akan tasirin maganin ciyawa da aka riga aka yi amfani da su a kan ridges jim kadan bayan dasa shuki. Manajan fasaha na Corteva Agriscience Craig Chisholm ya ce barin ciyawa ba tare da kula da su ba na iya rage yawan amfanin gona, rage injinan girbi da kuma kara hadarin kamuwa da cutar.
“Busasshiyar ƙasa na iya fashe ko zamewa ƙasan ƙwanƙolin, yana lalata hatimin da ake buƙata don ingantacciyar inganci daga magungunan ciyawa da suka fara fitowa. Sakamakon haka, ruwan sama ko shirin ban ruwa a cikin 'yan makonni masu zuwa zai haifar da ci gaban ciyawa daga saman tudu da zurfi," in ji Craig.
Busassun yanayi suna yin illa ga inganci
“Yanayin bushewa a cikin gonakin da ba a yi ruwa ba da kuma rushewar “shinge” na maganin ciyawa yana nufin cewa za a yi lahani ga tasirin sinadarai na farko. Wannan na iya zama shekarar da masu noma ke buƙatar yin tunani game da bin feshin bayan fitowar."
Titus®, dauke da sinadari mai aiki rimsulfuron, maganin ciyawa ne mai kima wanda ake hari key matsalar weeds kuma kayan aiki ne mai kima a lokacin rani lokacin da ayyukan da suka rigaya suka fara haifar da mummunan tasiri. Zaɓin maganin ciyawa ya kasance ginshiƙan shirye-shiryen farkon kakar noman dankalin turawa don sarrafa ciyayi iri-iri da suka haɗa da cleavers, chickweed, redshank, mayweed da masu sa kai na fyaden mai. Titus kuma ya nuna kyakkyawan aiki akan ciyayi iri-iri, musamman kujera.
Sanannen halaye
"Halayen Titus sananne ne ga masu noman dankalin turawa na Burtaniya da Irish da masana agronomist kuma tare da karancin zaɓuɓɓuka da ake da su don magance ciyawa, zai zama kayan aiki mafi mahimmanci," in ji Craig. "Ya kamata a yi amfani da Titus lokacin da ciyawa mai ganye ya ƙanƙanta kuma yana girma sosai, yawanci cotyledon zuwa ganye hudu, da ciyawa pre-tillering (ganye biyu zuwa uku), kuma kafin shukar shuka na iya yin tasiri ga maganin ciyawa.
"Ya dace a yi amfani da shi akan duk nau'in dankalin turawa ban da amfanin gona na iri kuma ya dace da metribuzin, wanda zai kara fadada nau'in ciyawa a cikin nau'in dankalin turawa wanda ke jurewa aikace-aikacen bayan fitowa." Ya kamata a yi amfani da Titus a 50g/ha idan an shafa shi kaɗai ko 40-50g/ha a haɗe da metribuzin, kuma koyaushe ana amfani da shi tare da ingantaccen adjuvant.
Babban amfani da hutun farfadowa na halitta da rufe amfanin gona a cikin jujjuyawar noma yana nufin nauyin iri na wasu ciyayi masu wahalar da dankali yana ƙaruwa. Cleavers, mayweed da jakar makiyayi, alal misali, na iya yaduwa cikin sauri a cikin yanayi guda. Masu noman dankalin turawa suna jin ƙarancin farashin farashi a wannan bazara na iya duba sauƙaƙe gaurayawan ciyawa don ƙarin zaɓuɓɓukan fitowar masu tsada masu tsada, in ji Manajan Fasaha na Syngenta, Andy Cunningham.
“Gabatar da maganin ciyawa na dankalin turawa na baya-bayan nan ya ƙara zaɓin masana aikin gona. A lokuta da yawa, duk da haka, gaurayawan sauƙi na iya cimma duk abin da masu shuka ke so, a ƙananan farashin dangi, ”in ji shi. "Yawancin mahimman ciyawa waɗanda ke ɗaukar nauyin fitowar dankalin turawa da wuri za a iya sarrafa su, ta yin amfani da ƙarfin haɗuwa don faɗaɗa takamaiman nau'in ciyawa," in ji shi.
Gwajin kwanan nan ya nuna cakuda Defy (prosulfocarb) a 4.0 l/ha + metabromuron a ragi na 1.0 l/ha, alal misali, an sami cikakken ikon sarrafa ciyawa mai ganye, gami da chickweed, mayweed, cleaver da makiyayi. jaka. Matsakaicin ciyawa da ba a kula da su ba daga waɗannan nau'ikan ya fi 70 a kowace m2. Wannan haɗin, yawanci farashin kawai £ 43 a kowace hectare a farashin yanzu, ya fi tasiri gabaɗaya idan aka kwatanta da Defy a 3.0 l/ha da metabromuron a ƙimar 2.0 l/ha, wanda zai kai kusan £ 55/ha kuma ya ɗan sami rauni kaɗan. a kan cleavers.
Yin amfani da Defy a 4.0 l/ha da metribuzin a 0.5 l/ha na iya rage farashi, amma gwajin ya nuna cewa gabaɗayan tasirin wasu ciyawa za a iya rage. Mista Cunningham ya ce "Yana da mahimmanci a san nau'in ciyawa da aka yi niyya yayin da ake hada abubuwan da suka fi dacewa da farashi da ƙimar da suka dace," in ji Mista Cunningham.
Sarrafa ciyawa ciyawa
Kazalika faffadan ciyawar ciyawa mai faffadan da Defy ke sarrafawa, tana kuma ba da ikon sarrafa ciyawa gami da ciyawa da ryegrass. Yin amfani da mafi girman ƙima yana haɓaka aikin saura kuma yana nufin aikace-aikace za a iya yin su cikin sauƙi nan da nan bayan dasa shuki, har sai ƙasa ta tashi sama da harbe-harben dankalin turawa, don kiyaye filayen tsabta har zuwa fitowar amfanin gona.
Sabbin gwaje-gwajen dankalin turawa na Syngenta na lokacin 2022 an saita don bincika ƙarin fa'idodin sarrafa nau'ikan ciyawa daga haɓaka ƙimar Defy zuwa 5.0 l/ha, akan ƙarin farashi a cikin matsanancin matsin lamba, gami da haɗuwa tare da sabbin magungunan ciyawa. . “Wasu zabuka tare da sabbin maganin ciyawa a gwajin sun haura sama da £100 a kowace kadada, wasu kuma kasa da £20. Yana da mahimmanci a yi tsokaci game da abin da kowane bangare ke ba da gudummawa, don ba da damar yanke shawara mafi inganci a nan gaba, ”in ji shi.
Yawan ciyawa
Kayan jakar makiyayi ɗaya, alal misali, na iya samar da iri sama da 3000, kuma yana iya yin keken keke na ƙarni uku a cikin wani yanayi idan ba a kula da shi ba. Kwayoyin suna da tsayi kuma za su fito da sauri idan an kawo su saman ta hanyar shuka iri na dankalin turawa. "Masu noman ya kamata su sani cewa jakar makiyayi tana dauke da farin blister, wanda za a iya yadawa zuwa amfanin gona na brassica idan an girma a cikin juyawa," in ji Mista Cunningham. Ko da yake ana ganin yana da sauƙin sarrafawa, nauyi da farashin sarrafawa suna tashi.