Bafuputsi ba limela le baenjiniere ba tsoang Univesithing ea Florida ba sebelisa bohlale ba maiketsetso ho fumana lefu kapele e le hore balemi ba hlahisang squash ea lehlabula ba ka e laola. Ho lemoha kapele ho fa lihoai monyetla oa ho loants'a lijalo tse betere.
Li-squash tsa lehlabula le tsa mariha li lengoa khoebong ho pholletsa le naha, haholo-holo ka boroa-bochabela le boroa-bophirimela ho Florida. Ka selemo sa 2019, balemi ba Florida ba ile ba kotula lihekthere tse 7,700 tsa squash, ka boleng ba tlhahiso ea $ 35.4 milione, ho latela USDA National Agricultural Statistics Service. Empa lefu la powdery hlobo, le atileng lefatšeng ka bophara, le ka fokotsa chai.
Yiannis Ampatzidis, motlatsi oa motlatsi oa UF/IFAS moprofesa oa boenjiniere ba temo le baeloji le mongoli-'moho le eena, Yiannis Ampatzidis o itse: "Tikoloho e loketseng hore hlobo e ka tšoaetsanoa ke boemo ba leholimo bo mongobo, ho lema ho hoholo le moriti." boithuto bo bocha mabapi le ho lemoha kapele ha hlobo ea phori, e hatisitsoeng koranteng ea Biosystems Engineering.
Bakeng sa thuto, bafuputsi ba UF / IFAS ba sebelisitse mokhoa oa ho utloa o khomaretsoeng ho li-drones ho bokella lintlha tsa spectral tsa powdery hlobo ka squash ea lehlabula masimong le labs tsa UF / IFAS Southwest Florida Research and Education Center.
Bafuputsi ba UF / IFAS ba sebelisitse thekenoloji e sa itšetleheng ka matšoao a pono ho lemoha phori ea phofo, ho boletse Ampatzidis. Mahlo a motho a khona ho bona feela karolo e khanyang ea mabone a motlakase. Theknoloji ena e ka "bona" ho feta. Ka hona, bafuputsi ba ile ba sebelisa thuto ena ho tseba nako e ntle ka ho fetisisa ea ho lemoha hlobo ea phofo - makhasi a neng a se na matšoao kapa a bontšang matšoao a pele.
Bafuputsi ba sebelisitse ho ithuta ka mochini - karoloana ea bohlale ba maiketsetso - e ka "ithutang" ho tsoa ho data ea spectral ho bona phori ea phofo. Lintlha li tsoa ho li-drones le lits'ebetso tsa kutlo tse thehiloeng fatše. Mokhoa o koetlisitsoeng oa ho ithuta mochine o ile oa tsebahatsa hlobo ea phofo ka mekhahlelo e fapaneng ea nts'etsopele ea mafu, ho boletse Ampatzidis. Sistimi ea ho ithuta ka mochini e etsa mohlala oa lipalo ho bona phori ntle le ho hlophisoa ke motho ho latela mehato e itseng.
Ka litšoantšo le tlhahlobo ea spectral reflectance ea makhasi a squash, bo-rasaense ba fumane phofo e ka bang 95% ea nako. Ha e le hantle, esita le ntle le matšoao a bonahalang a lefu lena, theknoloji e bontšitse bafuputsi lefu lena 82% ho 89% ea nako.
"Ho bohlokoa ho tsebahatsa hlobo kapele, kaha lefu lena le ata ka potlako mme diso li ntse li eketseha ka boholo, ho hlahisa lesela le lesoeu kapa le bohlooho," ho boletse Ampatzidis, moeletsi oa lefapha la thuto ho Jaafar Abdulridha, mofuputsi oa morao-rao oa UF / IFAS ea etelletseng pele. phapusi ea ho bala.
Pamela Roberts, moprofesa oa lefu la limela tsa UF / IFAS, o hloka lintlha tse tsoang ho baenjiniere ba kang Ampatzidis, ho mo thusa ho fumana mafu methating ea pele. O e bapisa le ho lemoha kapele mafu a batho.
"Ho lemoha kapele bothata leha e le bofe ba bophelo bo botle, ebang ke batho kapa limela, ho fana ka monyetla o motle oa ho bo laola ka ho kenella kapele," ho boletse Roberts, mongoli-'moho oa thuto. "Ka ho tšoanang, mafu a limela a laoloa habonolo kapele ha palo ea likokoana-hloko e le tlaase, ha e bapisoa le hamorao seoa sena."
"Ho feta moo, theknoloji ena e kanna ea fokotsa ts'ebeliso ea li-sprays tsa lik'hemik'hale, ka ho felisa lits'ebetso tse ka etsoang pele ho na le lefu le lokelang ho laoloa," o boletse joalo. "Kaha phori ea phofo ke bothata bo sa foleng ho squash ka boroa-bophirimela ho Florida, ke potso feela ea hore na lefu lena le tla hlaha neng, eseng hore na. Nako e nepahetseng ea li-fungicides, ebang ke temong e tloaelehileng kapa ea manyolo, e ka eketsa katleho ea sehlahisoa le ho fokotsa tahlehelo. ”
Matshwao a mantlha a phori ke matheba a masweu kapa matheba, hangata makgasing. Ho lemoha phori ka mekhahlelo ea pele ea tšoaetso ho thata ka lebaka la matšoao a mahlaku a tlaase, a butsoitseng, a atisang ho koaheloa ke makhasi a mang.
"Ka bokhutšoanyane, lefu le ka fetola thepa ea makhasi 'me la ama palo ea khanya e bontšoang ho tloha makhasi libakeng tse ka ntle ho ponahalo e bonahalang, eo batho ba ke keng ba e bona," ho boletse Ampatzidis.
- Brad Buck, Univesithi ea Florida