Leano la naha la ho loants'a keketseho e matla ea maemo a tšoaetso ea cyst nematodes (PCN) mobu oa Scotland le tla tsebisoa hamorao khoeling ena.
Kotsing
Batho ba bangata ba litapole cyst nematode (PCN) ba ka fokotsa lihlahisoa tsa litapole ho fihlela ho liperesente tsa 80. Ha ho se na limela tse amohelang, li-cysts li lula li khutsitse empa li phela mobung ka lilemo tse 20 kapa ho feta. Li-cysts li hasoa ke mobu holim'a li-tubers tsa peo, mochini oa polasing, le metso kapa bulbs ea limela tse ling tse lenngoeng masimong a nang le tšoaetso. Li-cysts le tsona li tsamaisoa ke moea le metsi a likhohola. Masimo a mefuta eohle ea litapole (tse lokeloang ho sebetsoa, tsa ho baka kaofela, jj.) A ka ba le tahlehelo e kholo ea lihlahisoa, empa kotsi ea ho hasanya PCN masimong a macha e kholo bakeng sa litapole tse rekisoang bakeng sa peo. Litapole tsa peo tse tsoang masimong a tšoaetso ea PCN li kanna tsa se rekisoe, mme moo ho leng teng, khoebo le linaha tse ling le eona e amehile haholo.
Ts'oaetso hajoale e lefella indasteri chelete e fetang limilione tse likete tse mashome a mabeli a metso e mehlano ka selemo mme e sokela ho senya lekala le tsebahalang la litapole lefatšeng ka bophara bohareng ba lekholo la lilemo. Ha a bua kopanong ea Mokhatlo oa Scotland oa Patlisiso ea Lijalo, Moprofesa Ian Toth, motsamaisi oa Setsi sa bophelo sa limela sa limela, e lemositse hore ka liperesente tse 30 tsa mobu o holang oa peo ea Scotland o se o tšoaelitsoe, ntle le ketso e potlakileng sebaka se amehileng se tla imena habeli nakong ea lilemo tse tšeletseng. Mme ha peo ea litapole e ka jala li-nematode, melao ea machabeng e laetse hore e ka e lema mobung o nang le ts'oaetso.
"Ho beha lintho ka leihlo le letle, haeba motho e mong hona joale a qala bophelo ba hae ba ho sebetsa lefapheng la litapole tsa peo, ntle le ketso e matla ea hore indasteri eohle e ka fela ka nako eo a seng a le halofo ea mosebetsi oa bona," o bolelletse seboka. Ho fihlela mona leano la naha la ho thusa indasteri ho tseba boholo ba bothata le ho laola ho ata ha nematode le ne le huliloe hammoho ho lekola mekhoa e fapaneng ea ho fokotsa ho ata ha PCN. Toth e bontšitse hore lichelete tsa indasteri le tsa mmuso tse ka bang limilione tse likete tse 2.3 li tla hlokoa ho lumella taba ena ho rarolloa lilemong tse hlano tse tlang.
A re le ha tloaelo ea hajoale e le ho lekola mobu pele ho lengoa lijalo tsa litapole, ts'ebeliso e pharalletseng ea tlhahlobo ea mafu e ka lumella bahlahisi ho lekola mobu oa bona nakong ea khefu ea potoloho lipakeng tsa lijalo tsa litapole, e leng se ka ba fang monyetla o eketsehileng oa ho laola likokoanyana. Ha a buella tšebeliso e pharalletseng ea mefuta e hananang le likokoanyana o boetse a re mekhoa e kopaneng ea taolo ea likokoanyana (IPM) nakong ea potoloho e ka thusa ho ba le bothata.
Sena se ne se kenyelletsa ts'ebeliso ea lijalo tsa leraba tse hlohlelletsang ho qhotsoa ha li-cyst tsa nako e telele mobung empa li sa fane ka lisebelisoa tsa lijo - le ts'ebeliso ea lijalo tse nang le thepa ea bio-fumigant joalo ka radish ea oli. Mokhoa o mong o mocha o ntseng o phenyekolloa ke ho sebelisa litšila tsa lijo tsa leoatleng, joalo ka likhetla tsa prawn, e le tlatsetso ea mobu. Toth o re li-nematode tse kentsoeng kahare li na le li-chitin tse ngata - mme ka ho eketsa tse ling masimong a likokoana-hloko tsa mobu tse sentse biopolymer ena li ile tsa ba matla le ho feta 'me tsa senya le li-cysts.
Boemong ba tlhahlobo, setsebi sa litapole Eric Anderson oa Scottish Agronomy o boletse hore liteko tse bobebe li se li fumaneha ho supa maemo a tlase a ts'oaetso ho feta a sebelisoang hajoale leanong la semmuso la liteko ho fa lihoai nako e ngata ea ho laola lefu lena likarolong tse ling tsa potoloho .
Ha a buella ho atolosa khefu ea potoloho lipakeng tsa lijalo tsa litapole tsa peo ho isa bonyane lilemo tse robeli, le tse leshome le ho feta, Anderson o boetse a totobatsa bohlokoa ba ho laola balebeli ba mobu ba ka nkang karolo ho boloka linomoro tsa PCN ho potoloha hohle mme a hatisa bohlokoa ba bohloeki bo botle ha o tsamaisa lisebelisoa tsa ho jala litapole lipakeng tsa libaka tse fapaneng tsa naha le lipakeng tsa masimo a fapaneng.