Cotton Aphid
Zviratidzo zvekukuvadza:
Cotton aphids anobaya kuseri kwemashizha edonje kana misoro minyoro nemuromo unopinza kuti ayamwe muto.Kukanganiswa panguva yembeu, donje mashizha akamonereka uye nguva yemaruva uye mabhodhoro inononoka, zvichiita kuti inonoka kuibva uye goho rakaderedzwa;Inobatwa panguva yevakuru, mashizha epamusoro anomonereka, mashizha epakati anoonekwa ane mafuta, uye mashizha ezasi anosvava uye anodonha;Yakakuvadzwa buds uye mabhoti anogona kudonha nyore, anokanganisa kukura kwemiti yekotoni;Zvimwe zvinokonzera mashizha akawa uye kuderedza kugadzirwa.
Kudzivirira uye kutonga kwemakemikari:
10% imidacloprid 20-30g per mu, kana 30% imidacloprid 10-15g, kana 70% imidacloprid 4-6 g per mu, yakaenzana spray, simba rekutonga rinosvika 90%, uye nguva inopfuura mazuva gumi nemashanu.
Mavara maviri Spider Mite
Zviratidzo zvekukuvadza:
maviri-spotted spider mite, anozivikanwawo semadhiragoni emoto kana spider moto, akazara mumakore ekusanaya kwemvura uye anonyanya kudya muto uri kumashure kwemashizha ekotoni;Inogona kuitika kubva padanho rekudyara kusvika padanho rekukura, paine mapoka ezvipembenene nemakuru anoungana kuseri kwemashizha kuti atore muto.Mashizha edonje akakuvadzwa anotanga kuratidza mavara eyero uye machena, uye kana kukuvara kwawedzera, zvigamba zvitsvuku zvinoonekwa pamashizha kusvikira shizha rose ratsvuka uye kusvava uye kudonha.
Kudzivirira uye kutonga kwemakemikari:
Mumwaka wekupisa nekuoma, 15% pyridaben 1000 kusvika 1500 nguva, 20% pyridaben 1500 kusvika 2000 nguva, 10.2% avid pyridaben 1500 kusvika 2000 nguva, uye 1.8% avid nzira 2000 nguva nenguva, kupfapfaidza 30 nguva nenguva. uye kutarisisa kuchapihwa kune yunifomu yekupfapfaidza pashizha pamusoro uye kumashure kuti ive nechokwadi chekushanda uye kutonga maitiro.
Bollworm
Zviratidzo zvekukuvadza:
Iyo ndeyekurongeka Lepidoptera uye mhuri Noctidae.Ndicho chipembenene chikuru panguva yedonje bud uye boll stage.Makonye anokuvadza matipi manyoro, buds, maruva, uye mabhoko egirini edonje, uye anogona kuruma pamusoro pemadzinde mapfupi manyoro, achigadzira donje risina musoro. Mushure mekunge bukira diki rakuvadzwa, mabracts anoshanduka yero uye kuvhurika, uye anodonha mushure memaviri. kana mazuva matatu.Makonye anofarira kudya mukume nekuserwa.Mushure mekukuvadzwa, mabhodhoro egirini anogona kugadzira mavara akaora kana akaomarara, anokanganisa zvakanyanya goho rekotoni uye kunaka.
Kudzivirira uye kutonga kwemakemikari:
Konje inodzivirira zvipembenene ine simba rakanaka rekutonga pachizvarwa chechipiri donje bollworm, uye kazhinji haidi kutonga.Kudzora kunoitwa pachizvarwa chechitatu nechina chedonje bollworm hachina simba, uye kutonga panguva yakakodzera. Mushonga unogona kuita 35% propafenone • phoxim 1000-1500 nguva, 52.25% chlorpyrifos • chlorpyrifos 1000-1500 nguva, uye 20% chlorrifos • chlorrifos • chlorrifos 1000-1500 nguva.
Spoptera litura
Zviratidzo zvekukuvadza:
Mhungu dzichangoburwa dzinoungana pamwe chete uye dzinodya pamesophyll, dzichisiya epidermis yepamusoro kana tsinga, dzichigadzira sieve se network yemaruva nemashizha.Vanobva vaparadzira nekukuvadza mashizha nemapupu nemabholi, vachidya zvakanyanya mashizha uye kukuvadza mashizha nemabhodhoro, zvichiita kuti aore kana kudonha. husina kurongeka uye hukuru hwepore, uye tsvina huru yezvipembenene zvakaungana kunze kwemakomba.
Kudzivirira uye kutonga kwemakemikari:
Mushonga unofanirwa kupihwa panguva yekutanga kwegonye uye kudzima nguva isati yasvika yekudyisa.Sezvo makonye asingabudi masikati, kumwaya kunofanira kuitwa manheru.Mushonga unofanirwa kuva 35% probromine • phoxim 1000-1500 times, 52.25% chlorpyrifos • cyanogen chloride 1000-1500 nguva, 20% chlorifoll • 1000-1500 nguva, uye zvakaenzana zvakapfapfaidza.
Nguva yekutumira: Sep-18-2023