Ukumelana nezinhlobonhlobo zesipinashi i-downy mildew manje sekungenye yezindlela zokukhetha ezibaluleke kakhulu ezikhethwa abalimi abangochwepheshe base-UK, ngokusho kukachwepheshe wesaladi wamaqabunga e-Syngenta, uRosemary Atwood.
Ukumenyezelwa kwezinhlanga ezimbili ezisemthethweni ze-spinach downy mildew pathogen (Peronospora effusa) kule sizini kwandisa inselelo embonini kanye nokugxila ezinhlelweni zokuzalanisa.
Umjaho osanda kumenyezelwa u-Pe:18 utholwe kabanzi kulo lonke elaseYurophu, nohlobo lwe-Pe:19 ikakhulukazi e-US. Nokho, i-International Working Group on Peronospora in spinach (IWGP), imemezele: 'zombili izinhlanga ziyingozi enkulu embonini yesipinashi kuzo zonke izingxenye zomhlaba, futhi ukumelana nalezi zinhlanga ezintsha kubalulekile'.
"Sikubona ngokwandayo ukubaluleka kokungazweli ezinhlobonhlobo ekusizeni ukuvimbela lokho okungaba yingozi kakhulu ekuqubukeni kwe-downy mildew," kubika i-Rosemary.
"Okubaluleke kakhulu ukuthi abalimi bethu bebeqapha ukukhula kwegciwane kulo lonke elaseYurophu eminyakeni yamuva, ngakho-ke sebevele bakhetha izinhlobo zokulwa nezinhlanga ezintsha, njengengxenye yephakheji eliphelele lokumelana ne-downy isikhutha."
Uveze ukuthi imibandela yokuhlonishwa ngokusemthethweni kwemijaho ye-downy mildew ihlanganisa ukuba khona endaweni yonke kanye namasizini alandelanayo, kanye nokwehluka emijahweni ekhona.
"Lokho kusho ukuthi sikwazile ukuhlola izinhlobo ezintsha, ezifana ne-El Lucio, i-El Furio, i-El Bravo ne-El Halo, ngokumelene nokucindezela kwezifo zendawo ekhona, futhi singaqiniseka ngokumelana kwazo okuqinile." Zonke lezi zinhlobo ze-Syngenta zimelana nezinhlanga ezintsha i-Pe:18 kanye ne-Pe:19 yabalimi base-UK nabaseYurophu.
Nakuba ezinye zezinhlanga ezindala ze-downy mildew zingase zingabe zisadlanga, i-Rosemary ikhuthaza izinhlobo ezingabonisa ukumelana nohlu olubanzi lwezinhlanga ezingathembeka kakhulu.
“Eqinisweni, kunezinhlanga eziningi ze-downy mildew ezisatshalaliswa kulo lonke elaseYurophu kunalezo eziqashelwa ngokusemthethweni, ngokunokwenzeka ezingeni lendawo noma ukuqubuka kwezikhathi ezithile. Ukukhetha izinhlobo ezifuywe ngezimo nezimakethe zaseYurophu, futhi zihlolwe kabanzi esifundeni sonke, kunikeza ithuba elingcono kakhulu lokunciphisa ubungozi besifo esilimazayo. "
Ugqamise uhla lwe-Syngenta olunokumelana ngokugcwele nesikhutha esihlanganisa yonke inkathi yokukhula, kanti i-El Bravo yenza kahle ekukhuleni komhubhe omboziwe kanye nokukhiqizwa kwesizini yokuqala, kulandele i-El Furio ngasekupheleni kwentwasahlobo enombala omuhle kakhulu omnyama kanye namahlamvu aqinile alungele. ukucubungula. Ngesizini enzima yamaphakathi nehlobo i-El Halo isebenze ngendlela ethembekile uma iqhathaniswa nokufaka ibhawudi. Ukuqedela isizini abalimi bangabuyela ku-El Furio futhi ekugcineni u-El Bravo, wengeza.
“Manje sinabalimi abasebenzisa zontathu izinhlobo ezinhlelweni zabo, ukuze bathole ukukhiqiza okufanayo phakathi nesizini,” kubika yena. Ezinye izinhlobo ezintsha ezethulwa kulo nyaka nazo zikhombisa ukumelana nezinhlobo ezintsha kanye neminye imijaho ye-downy mildew eYurophu. Ithimba elizalanisa isipinashi lase-Syngenta European, manje eliholwa ngu-Rinse Jaarsma e-Enkhuizen e-Holland, nalo lihlanganisa ngenkuthalo ukumelana okuphezulu ne-stemphylium esingenisweni esisha senkampani sesipinashi.
U-Rosemary wengeze ngokuthi kuhlala kubaluleke kakhulu ukulandelela nokulandelela noma yiziphi izinhlanga ezintsha ze-downy mildew. "Lokho kusho ukuthi singahlola izinhlobo ezintsha ngokumelene nezinsongo zesikhathi esizayo ezingase zibe khona futhi, uma zisungulwa ngokwanele esifundeni sonke, ukuze zihlukaniswe njengomjaho osemthethweni."
Lapho abalimi bebona khona ukuqubuka kwe-downy mildew ezinhlobonhlobo ezimelana kahle, i-Rosemary izobanxusa ukuthi bajoyine uhlelo lwemboni lokuthi luhlolwe futhi lurekhodwe - i-Syngenta ebambe iqhaza elikhulu ekusizeni.
Ukuguquguquka kwesimo sezulu kuya ngokuya kuholela enkathini yezimo ezishisayo nezinomswakama ezihlala isikhathi eside ezivumela ukuthi kube ne-downy mildew, uxwayise ngokuthi Lokho kungase kubhebhethekiswe ukuchelela kanye nokukhula kwekhefu lokushintshanisa okulandelanayo noma okufushane phakathi kwezitshalo zesipinashi lapho ukutholakala kwendawo kulinganiselwe.
“Kubalulekile ukuthi abalimi babe nawo wonke amathuluzi atholakalayo endlela edidiyelwe yokuvimbela ukulahleka kwe-downy mildew. Lokho kuqala ngokumelana nezinhlobonhlobo futhi kuqiniswa wuhlelo olusebenzayo lwe-agronomy,” kweluleka uRosemary. Ukukhulisa isipinashi kuhlanganiswe nohlelo oluhle lokubulala isikhunta kungasiza ukuvikela inani lokungazweli ezinhlobonhlobo esikhathini eside, ngokunciphisa ukukhula kwezinhlobo ezintsha ze-pathogen.
Amachashaza eqabunga lesipinashi angabangelwa inani lezifo ezihlukahlukene, kuhlanganise i-Peronospora effusa, izinhlobo ze-Stemphylium., i-Cladosporium variabile kanye ne-Colletotrichum dematium. Lawa ma-pathogen awahlali eqashwe yiziphathimandla ze-EU.
I-Syngenta ihlonze ukumelana okuphezulu (HR) emigqeni yofuzo yenkampani okungenani uhlobo olulodwa lwe-Stemphylium oluhlonziwe futhi lwahlukaniswa namasampula amaningi e-leafspot eminyakeni yakamuva kanye nakumazwe ahlukene e-EU.
Ukuze uthole ukwaziswa okwengeziwe:
URosie Atwood
Syngenta UK
Iselula : (+44) 07776 997416
I-imeyili: rosemary.atwood@syngenta.com