Matenda Akuluakulu a Thonje ndi Tizirombo Ndi Kapewedwe Ndi Kupewa Kwawo (2)

Cotton Aphid

Zizindikiro zovulaza:

Nsabwe za m'thonje zimaboola kumbuyo kwa masamba a thonje kapena mitu yofewa ndi cholumikizira chapakamwa kuti chiyamwe madziwo.Zomwe zimakhudzidwa panthawi yomwe mbande zimaphukira, masamba a thonje amapindika ndipo nthawi yamaluwa ndi ma boll imachedwa, zomwe zimapangitsa kuti zipse mochedwa ndi kuchepa kwa zokolola;Kukhudzidwa pa nthawi ya munthu wamkulu, masamba apamwamba azipiringa, masamba apakati amawoneka ngati mafuta, ndipo masamba apansi amafota ndikugwa;Masamba owonongeka ndi ma boll amatha kugwa mosavuta, zomwe zimakhudza kukula kwa mbewu za thonje;Zina zimayambitsa masamba ogwa ndikuchepetsa kupanga.

Kupewa ndi kuwongolera mankhwala:

10% imidacloprid 20-30g pa mu, kapena 30% imidacloprid 10-15g, kapena 70% imidacloprid 4-6 g pa mu, wogawana kutsitsi, zotsatira ulamuliro kufika 90%, ndipo nthawi ndi masiku oposa 15.

Spider Mite Wamawanga Awiri

Zizindikiro zovulaza:

akangaude okhala ndi mawanga awiri, omwe amadziwikanso kuti zinjoka zamoto kapena akangaude amoto, amakhala ambiri m'zaka zachilala ndipo makamaka amadya madzi kumbuyo kwa masamba a thonje;Zitha kuchitika kuyambira pomwe mbande zimaphukira mpaka zitakhwima, magulu a nthata ndi nthata zazikulu zimasonkhana kumbuyo kwa masamba kuti zimwe madzi.Masamba a thonje owonongeka amayamba kusonyeza madontho achikasu ndi oyera, ndipo pamene kuwonongeka kukukulirakulira, zigamba zofiira zimawonekera pamasamba mpaka tsamba lonse lisanduka bulauni ndikufota ndikugwa.

Kupewa ndi kuwongolera mankhwala:

Mu nyengo yotentha ndi kouma, 15% pyridaben 1000 mpaka 1500 nthawi, 20% pyridaben 1500 mpaka 2000 nthawi, 10.2% mwachangu pyridaben 1500 mpaka 2000 nthawi, ndi 1.8% mwachangu 2000 mu nthawi 30 mpaka 30 nthawi. ndipo tcheru chidzaperekedwa kwa yunifolomu kutsitsi pa tsamba pamwamba ndi kumbuyo kuonetsetsa efficacy ndi kulamulira zotsatira.

Bollworm

Zizindikiro zovulaza:

Ndi ya dongosolo la Lepidoptera ndi banja la Noctidae.Ndilo tizilombo toyambitsa matenda pa nthawi ya thonje ndi boll stage.Mphutsizi zimawononga nsonga zanthete, masamba, maluwa, ndi nsonga zobiriwira za thonje, ndipo zimatha kuluma pamwamba pa tsinde zazifupi za thonje, kupanga thonje lopanda mutu. kapena masiku atatu.Mphutsi zimakonda kudya mungu komanso kusalidwa.Pambuyo powonongeka, ziboliboli zobiriwira zimatha kupanga mawanga owola kapena owuma, zomwe zimakhudza kwambiri zokolola za thonje ndi mtundu wake.

Kupewa ndi kuwongolera mankhwala:

Thonje wosamva tizilombo amakhala ndi zotsatira zabwino pa m'badwo wachiwiri wa thonje wa thonje, ndipo nthawi zambiri safuna kuwongolera.Mphamvu yowongolera pa m'badwo wachitatu ndi wachinayi wa thonje wa thonje imafooka, ndipo kuwongolera munthawi yake ndikofunikira. Mankhwala amatha kukhala 35% propafenone • phoxim 1000-1500 nthawi, 52.25% chlorpyrifos • chlorpyrifos 1000-1500 nthawi, ndi 20% chlorrifos • chlorrifos 1000-1500 nthawi.

Spoptera litura

Zizindikiro zovulaza:

Mphutsi zomwe zangotuluka kumene zimasonkhana pamodzi ndikudya masophyll, ndikusiya kumtunda kwa epidermis kapena mitsempha, kupanga sieve ngati maukonde a maluwa ndi masamba.Kenako amabalalitsa ndikuwononga masamba ndi masamba ndi masamba, kuwononga kwambiri masambawo ndikuwononga masamba ndi mabulosi, kuwapangitsa kuti awole kapena kugwa. Powononga mabotolo a thonje, pali zibowo 1-3 m'munsi mwa boll, ndi ming'oma yosakhazikika komanso yayikulu, ndi ndowe zazikulu za tizilombo zowunjika kunja kwa mabowowo. 

Kupewa ndi kuwongolera mankhwala:

Mankhwala ayenera kuperekedwa kumayambiriro kwa mphutsi ndikuzimitsidwa isanafike nthawi yodya kwambiri.Popeza mphutsi sizimatuluka masana, kupopera mbewu mankhwalawa kuyenera kuchitika madzulo. Mankhwala azikhala 35% probromine • phoxim 1000-1500 nthawi, 52.25% chlorpyrifos • cyanogen chloride 1000-1500 nthawi, 20% chlorifoll • 1000-1500 nthawi, ndi wogawana sprayed.