Thrips ndi imodzi mwa tizilombo tomwe timadedwa ndi alimi, chifukwa amadya pafupifupi mitundu yonse ya zipatso ndi ndiwo zamasamba, ndipo amachepetsa kukolola.Ndiye pali njira iliyonse yothandiza?Momwe mungagwiritsire ntchito moyenera kuti zotsatira zake zikhale bwino?Thrips ndizovuta kupewa komanso kuchiza.Choyamba, kumvetsetsa kwa makhalidwe a thrips sikuli bwino, ndiyeno njira yopewera ndiyofunikira kwambiri.

Kumvetsetsa thrips

Munthu wa thrips ndi wamng'ono, kutalika kwa thupi ndi 0.5-2mm, ndipo kawirikawiri amaposa 7mm;Mtundu wa thupi nthawi zambiri umakhala wofiirira kapena wakuda, osayang'ana mosamala, ndizovuta kupeza;Nymphs ndi zoyera, zachikasu, kapena lalanje;Mutu pang'ono m'mbuyo m'kamwa mtundu, pakamwa kwa wapamwamba kuyamwa, akhoza file chomera epidermis, kuyamwa mbewu madzi.Thrips ngati nyengo yofunda ndi youma, ndipo kutentha koyenera ndi 23 ℃ ~ 28 ℃, ndi chinyezi choyenera cha mpweya ndi 40% - 70%;Ngati chinyezi ndichokwera kwambiri, sichingapulumuke.Chinyezi chikafika 100%, ndipo kutentha kufika 31 ℃, nymphs zonse zimafa.

Zifukwa zomwe thrips zimakhala zovuta kuchiza

(1) Kuthamanga kwachangu: ma thrips nthawi zambiri amatenga masiku 14 okha kuchokera pa dzira kupita ku wamkulu, ndikusintha m'badwo wofulumira komanso kuphatikizika kwakukulu, komwe ndikosavuta kuyambitsa kusefukira.

(2) Kubisala Kwamphamvu: ma thrips amawopa kuwala, kutentha kwambiri komanso kuwala kolimba, tizilombo tating'onoting'ono timabisala mumpata wa dothi masana, ndikutuluka usiku.Nymphs ndi zovulaza kumbuyo kwa masamba ndi maluwa, ndipo zochita zawo zimabisika kwambiri.N'zovuta kupeza potions.

(3) Kutha kwamphamvu kusamuka: thrips ndi yaying'ono kwambiri komanso yovuta kuwona bwino ndi maso amaliseche, koma akuluakulu amakhoza kuwuluka ndi kudumpha.Akapezeka kuti ali owopsa, amatha kuthawa paliponse mothandizidwa ndi mphamvu zakunja.Choncho, thrips ikangochitika, imafalikira mofulumira ndipo imakhala yovuta kuchotsa kwathunthu.

Prophylaxis ndiTkubwezeretsa

(1) Gulu la nyongolotsi zolendewera: gulu la nyongolotsi ndiye gawo loyamba la kuwongolera tizirombo mu shedi, chifukwa zimatha kuzindikira zomwe zachitika tizirombo pasadakhale, ndikuchitapo kanthu popha tizilombo.The blue armyworm board atha kupachikidwa mu shedi kuti atchere ndi kupha thrips.Gulu la Armyworm board liyenera kusankha nambala yoyenera molingana ndi kukula kwa shela, 30-40 pa mu, kusintha kutalika nthawi iliyonse ndi kukula kwa masamba, ndipo nthawi zambiri imapachika 15-25 cm pamwamba pa kukula kwa mbewu.

(2) Chithandizo cha nthaka: chifukwa ma thrips ali ndi liwiro la kufalikira komanso kusuntha kwakukulu, 5% Beta-cyfluthrin + 2% Thiamethoxam GR ikhoza kusankhidwa musanabzalidwe.Mukasakaniza mofanana, nthaka imatha kukonzedwa ndi kuwaza, kuika mizere ndi kuika dzenje.Pambuyo pa kusungunuka m'nthaka, ma thrips amatha kugawidwa mofanana mozungulira mizu ya zomera, ndipo mankhwala ophera tizilombo amatha kufalikira kumadera onse a kumtunda kwa zomera kudzera mukuchitapo kanthu, Kupha thrips, zomwe zimawononga mbewu, zimatha kuteteza thrips. kuonjezera kuvulaza ndi kufalitsa kachilombo, ndi nthawi yayitali komanso zotsatira zabwino.

(3) Kuvala mbewu zamankhwala: musanabzale, 35% yoyimitsa mbewu ya Thiamethoxam idagwiritsidwa ntchito pokometsera mbewu, ndipo chopaka njerecho chidakulungidwa mofanana pamwamba pa mbewu.Pambuyo pakutha, mankhwalawa amagawidwa mofanana kuzungulira mizu ya mmera.The medicament anapatsira kumtunda gawo la zomera kudzera mayamwidwe mkati ndi conduction, amenenso bwino kuteteza kuwonongeka kwa thrips tizirombo ku mbewu, ndipo nthawi zotsatira anali oposa 60 masiku.

(4)Kuletsa mankhwala ophera tizilombo: acetamiprid 20%SP, Thiocyclam-hydrogen-xalate 50%SP, Spinosad 24%SC, Thiamethoxam 25%WDG ndi Abamectin 1.8% +acetamiprid 3.2% EC.Mankhwala ophera tizirombowa amagwira ntchito mwachangu komanso amakhala kwanthawi yayitali, koma chifukwa ma thrips ndi osavuta kutulutsa kukana, mfundo yosinthira mankhwala iyenera kutsatiridwa mukamagwiritsa ntchito.Pakati pawo, Abamectin 1.8% + acetamiprid 3.2% EC ali ndi kukhudzana kawopsedwe, kawopsedwe m'mimba, mayamwidwe mkati ndi fumigation.Imakhala ndi mphamvu yolowera pamasamba, imatha kupha tizirombo pansi pa epidermis, ndipo imakhala ndi nthawi yayitali.Ndi mankhwala ophera tizilombo omwe amagwiritsidwa ntchito mwapadera kupha zilonda zapakamwa zoboola.Pa nthawi yomweyi, ilinso ndi ntchito yopha nthata ndi tizilombo toyambitsa matenda.Ndi mtundu watsopano wa mankhwala othandiza kwambiri a nsabwe za m'masamba ndi nthata.Lili ndi mphamvu zowononga tizilombo.Thrips amaopa kuwala, choncho amakhala ndi chizolowezi kugona masana ndi kuwuka usiku.Mathrips amabisala m'maluwa kapena m'ming'alu ya dothi masana, ndipo samavulaza masamba.Kukapanda kuwala usiku, zimatuluka kuti ziwononge zomera.Chifukwa chake, nthawi yopopera mbewu mankhwalawa imakhala mdima wamadzulo, ndipo imagwira ntchito bwino.

Mwachidule, kupewa ndi kuwongolera kwa thrips kuyenera kutengera mawonekedwe a thrips omwe amakhala abuluu komanso amawopa kuwala, kuphatikiza kugwiritsa ntchito mankhwala aulimi.Kuwonjezera, Osangosintha kusamalira chilengedwe, komanso kawirikawiri kulimbikitsa mpweya wabwino, kupewa aggravating chodabwitsa cha tizilombo tizirombo.