Apple Fruit Disorders - Yuav Ua Li Cas Txog Apple Cork Spot Disease

Cov txheej txheem:

Apple Fruit Disorders - Yuav Ua Li Cas Txog Apple Cork Spot Disease
Apple Fruit Disorders - Yuav Ua Li Cas Txog Apple Cork Spot Disease

Video: Apple Fruit Disorders - Yuav Ua Li Cas Txog Apple Cork Spot Disease

Video: Apple Fruit Disorders - Yuav Ua Li Cas Txog Apple Cork Spot Disease
Video: Qhiav Majnaus Zibmuv thiab Apple Cider Veniger pab tau dab tsi 2024, Tej zaum
Anonim

Koj cov txiv apples npaj txhij rau sau tab sis koj pom tias ntau ntawm lawv muaj kev nyuaj siab me me mus rau qhov loj dua corky, discolored thaj chaw ntawm cov txiv hmab txiv ntoo. Tsis txhob ntshai, txiv apples tseem noj tau lawv tsuas yog muaj kab mob apple cork. Nyeem ntxiv kom paub seb cov kua cork yog dab tsi thiab txog kev kho cov kua cork ntawm cov txiv apples.

Apple Cork Spot yog dab tsi?

Apple cork spot kab mob cuam tshuam rau lub apple qhov zoo thiab qhov muag pom. Nws yog ib qho teeb meem ntawm lub cev zoo li lwm cov txiv hmab txiv ntoo tsis zoo, xws li lub qhov iab thiab qhov chaw Jonathan. Thaum nws ua rau pom cov txiv hmab txiv ntoo tsawg dua qhov txaus siab, cork qhov chaw hauv txiv apples tsis cuam tshuam rau lawv cov tsw.

Cork chaw hauv txiv apples cuam tshuam York Imperial thiab tsawg dua Delicious thiab Golden Delicious cultivars. Nws yog feem ntau yuam kev rau kev puas tsuaj los ntawm kab, kab mob fungal los yog lawg raug mob. Qhov teeb meem pib tshwm sim rau lub Rau Hli thiab txuas ntxiv los ntawm kev loj hlob ntawm cov txiv hmab txiv ntoo. Cov kev nyuaj siab ntsuab me me hauv daim tawv nqaij yuav loj tuaj rau qhov tsis muaj xim, corky thaj tsam ntawm ¼ thiab ½ nti (.6-1.3 cm.) ntawm daim tawv nqaij sab nrauv ntawm cov txiv apples thaum lawv loj hlob.

Txo cov calcium uas muaj nyob rau hauv kev tsim cov txiv hmab txiv ntoo yog qhov ua rau cov kua txiv hmab txiv ntookab mob. Cov av qis pH, cov qoob loo lub teeb thiab kev loj hlob ntau dhau ntawm kev loj hlob coincide nrog kev nce ntxiv ntawm qhov tsis yog qhov chaw cork nkaus xwb tab sis lwm cov txiv hmab txiv ntoo tsis zoo.

Treating Apple Cork Spot

Kho cov kua txiv cork yuav tsum muaj ntau txoj hauv kev. Qhov zoo tshaj plaws, nyob ntawm qhov ntsuas av, qhov chaw yuav tsum tau hloov kho nrog cov av limestone thaum cog. Ntxiv limestone yuav tsum tau ntxiv ntawm 3 mus rau 5 xyoo tom qab cog. Ntxiv dua thiab, cia siab rau kev sim av txhua xyoo los txiav txim seb puas yuav tsum tau ntxiv limestone ntau npaum li cas.

Calcium sprays kuj tseem tuaj yeem pab txo qhov tshwm sim ntawm qhov chaw cork. Sib tov 2 phaus (.9 kg) ntawm calcium chloride rau 100 nkas loos dej los yog 1.5 tablespoons rau 1 nkas loos dej. Thov nyob rau hauv plaub cais tshuaj pib ob lub lis piam tom qab tag nrho Bloom. Txuas ntxiv ntawm 10- mus rau 14-hnub lub sijhawm. Tsis txhob siv calcium chloride thaum kub tshaj 85 F. (29 C.). Calcium chloride yog corrosive, yog li nco ntsoov yaug lub sprayer kom huv si tom qab siv.

Kawg, tshem tawm cov kev loj hlob ntau dhau thiab dej sprouts thaum lub Xya Hli lossis Lub Yim Hli thaum ntxov. Txhawm rau kom txo qis kev loj hlob, txo lossis tso tseg kev siv nitrogen rau hauv av rau 1-2 xyoos.

Yog tias tag nrho cov suab no zoo li teeb meem ntau dhau, nco ntsoov tias cov txiv apples cuam tshuam nrog cov txiv apple cork tej zaum yuav tsawg dua qhov pom kev zoo tag nrho tab sis lawv tseem haum rau kev noj ntawm tes, ziab, ci, khov thiab cov kaus poom. Yog hais tias qhov chaw corky thab koj, tsuas yog muab lawv tawm thiab muab pov tseg.

Pom zoo: