Paj rwb Aphid
Cov tsos mob ntawm kev phom sij:
Paj rwb aphids tho sab nraub qaum ntawm paj rwb los yog lub taub hau nrog lub qhov ncauj thrusting los nqus cov kua txiv hmab txiv ntoo.cuam tshuam thaum lub sij hawm yub theem, paj rwb nplooj curl thiab lub sij hawm flowering thiab boll teem sij hawm ncua, uas ua rau lig ripening thiab txo tawm los;Kev cuam tshuam thaum lub sij hawm cov neeg laus, cov nplooj sab sauv curl, nruab nrab nplooj tshwm oily, thiab cov nplooj qis wither thiab poob tawm;Cov buds puas thiab bolls tuaj yeem poob tau yooj yim, cuam tshuam rau kev loj hlob ntawm paj paj;Qee qhov ua rau cov nplooj poob thiab txo qis ntau lawm.
Tshuaj tiv thaiv thiab tswj:
10% imidacloprid 20-30g ib mu, los yog 30% imidacloprid 10-15g, los yog 70% imidacloprid 4-6 g ib mu, tusyees tshuaj tsuag, tswj cov nyhuv mus txog 90%, thiab lub sij hawm yog ntau tshaj 15 hnub.
Ob-Spotted Kab laug sab Mite
Cov tsos mob ntawm kev phom sij:
ob-spotted kab laug sab mites, tseem hu ua hluav taws zaj los yog kab laug sab tua hluav taws, yog rampant nyob rau hauv drought xyoo thiab tsuas yog pub rau cov kua txiv hmab txiv ntoo nyob rau sab nraum qab ntawm paj rwb nplooj;Nws tuaj yeem tshwm sim los ntawm cov yub mus rau theem pib loj hlob, nrog rau pawg mites thiab cov neeg laus mites sib sau ua ke ntawm sab nraub qaum ntawm nplooj kom nqus cov kua txiv hmab txiv ntoo.Cov paj rwb puas nplooj pib pom daj thiab dawb me ntsis, thiab thaum qhov kev puas tsuaj loj zuj zus tuaj, thaj ua rau thaj liab tshwm rau ntawm nplooj kom txog thaum tag nrho cov nplooj tig xim av thiab withers thiab ntog.
Tshuaj tiv thaiv thiab tswj:
Thaum lub caij kub thiab qhuav, 15% pyridaben 1000 txog 1500 zaug, 20% pyridaben 1500 txog 2000 zaug, 10.2% avid pyridaben 1500 txog 2000 zaug, thiab 1.8% avid 2000 txog 3000 zaug, yuav tsum tau siv txawm tias cov tshuaj tsuag tsuag. thiab kev saib xyuas yuav tsum tau them rau cov tshuaj tsuag tsis sib xws ntawm nplooj nplooj thiab rov qab los xyuas kom meej qhov ua tau zoo thiab tswj cov nyhuv.
Bolworm
Cov tsos mob ntawm kev phom sij:
Nws belongs rau qhov kev txiav txim Lepidoptera thiab tsev neeg Noctidae.Nws yog cov kab mob tseem ceeb thaum lub sij hawm paj rwb bud thiab boll theem.Cov larvae ua mob rau cov lus qhia kev sib tw, buds, paj, thiab ntsuab bolls ntawm paj rwb, thiab tuaj yeem tom rau sab saum toj ntawm luv luv stems, sib sau ua paj tsis muaj taub hau. Tom qab cov tub ntxhais hluas buds puas lawm, lub bracts tig daj thiab qhib, thiab poob tawm tom qab ob. los yog peb hnub.Larvae nyiam noj paj ntoos thiab stigma.Tom qab raug puas ntsoog, ntsuab bolls tuaj yeem tsim rotten los yog txhav me ntsis, cuam tshuam rau paj rwb tawm los thiab zoo.
Tshuaj tiv thaiv thiab tswj:
Kab resistant paj rwb muaj kev tswj zoo ntawm cov paj rwb bollworm thib ob tiam, thiab feem ntau tsis tas yuav muaj kev tswj hwm.Kev tswj cov nyhuv ntawm peb thiab plaub tiam paj rwb bollworm tsis muaj zog, thiab kev tswj raws sij hawm yog qhov tsim nyog.Cov tshuaj tuaj yeem yog 35% propafenone • phoxim 1000-1500 zaug, 52.25% chlorpyrifos • chlorpyrifos 1000-1500 zaug, thiab 20% chlorpyrifos. 1000-1500 zaug.
Spodoptera litura
Cov tsos mob ntawm kev phom sij:
Cov larvae uas nyuam qhuav hatched sib sau ua ke thiab pub rau ntawm mesophyll, tawm hauv qab lub epidermis sab sauv los yog cov hlab ntsha, tsim ib lub sieve zoo li network ntawm paj thiab nplooj.Tom qab ntawd lawv sib cais thiab ua rau cov nplooj thiab buds thiab bolls, siv cov nplooj thiab ua rau lub buds thiab bolls, ua rau lawv rot los yog poob tawm.Thaum ua mob paj rwb bolls, muaj 1-3 boreholes ntawm lub hauv paus ntawm bolls, nrog irregular thiab loj pore qhov ntau thiab tsawg, thiab cov kab loj loj nyob rau sab nraum lub qhov.
Tshuaj tiv thaiv thiab tswj:
Cov tshuaj yuav tsum tau muab thaum lub sij hawm pib ntawm larvae thiab tua ua ntej lub sij hawm ntawm overeating.Txij li thaum cov larvae tsis tawm thaum nruab hnub, kev tshuaj tsuag yuav tsum tau ua thaum yav tsaus ntuj.Cov tshuaj yuav tsum yog 35% probromine • phoxim 1000-1500 zaug, 52.25% chlorpyrifos • cyanogen chloride 1000-1500 zaug, 20% chlorpyrifos • chlorpyrifos 1000-1500 zaug, thiab sib npaug sib npaug.
Post lub sij hawm: Sep-18-2023