Walnut ndi wokana kwambiri ndi matenda, ndipo nthawi zina amatha kuligonjetsa. Pali zifukwa zingapo za kusamalidwa kosayenera, nthaka yosauka, zochitika zapansi pamadzi, zosakwanira dzuwa. M'nkhani ino tidzakuuzani za matenda omwe amapezeka kwambiri a mtedza ndi mankhwala awo.
Matenda akulu a mtedza
Adani atatu akuluwa, nthawi zambiri amamenyana ndi mtedza - malo a bulauni, khansa ya mizu ndi bakiteriya kuwotcha.
Brown spotting ndi matenda a masamba ndi zipatso za mtedza, pamene amawoneka mawanga ofiira. Masamba okhudzidwa akugwa molawirira. Ndipo matendawa amayamba mu mvula ya nthawi yaitali, ndiko kuti, ndi kuchuluka kwa chinyezi m'nthaka.
Ndizowopsa pamene matendawa amadziwika panthawi ya maluwa, chifukwa pakali pano amawononga maluwa okwana 90%, ndiko kuti akukuletsani inu kukolola. Ngakhale maluwawo atembenuka kale kukhala zipatso, kugwidwa kwa mabala awo a bulauni kumabweretsa kuphulika, kupuntha, kuvunda ndi kukhetsa.
Njira yogonjera ndi yophweka - kupopera mankhwala kwa Bordeaux kusakaniza ngakhale pamaso pa impso pa mtengo ndi kutentha kwa masamba osagwa.
Matenda ena a mtedza, omwe amafunika kuti amenyane nawo nthawi yomweyo - ndi khansa ya mizu. Monga dzina limatanthawuzira, limakhudza mizu ya mtengo. Amalowa kudzera ming'alu ndi mabala, ndipo mawonetseredwe ake amawoneka ngati kukula kwa mizu. Matendawa akafika pamtunda wina, mtengo umasiya kukula ndi fruiting.
Choncho, ndizofunikira kwambiri kuchotsa zokololazo m'nthaŵi ndikuchiza mizu ndi 1% yothetsa soda, kenako kutsukidwa ndi madzi.
Ndipo matenda owopsa kwambiri a mtedza ndi bakiteriya kuwotcha. Zimakhudza masamba, maluwa, mphukira, zipatso. Pa masamba, mukhoza kuona madontho a madzi, potsiriza kukhala ndi mtundu wakuda. Pa nthawi yomweyi, masamba sagwera nthawi yaitali. Zimayambira ndi zilonda, mphukira zimauma, masamba amafa. Zipatso zili ndi mawanga wakuda, pamene mnofu umatuluka ndikusanduka wakuda.
Onyamula matendawa ndi mungu ndi tizilombo. Makamaka matendawa amafalikira m'nyengo yamvula. Polimbana ndi matendawa muyenera kugwiritsa ntchito mankhwala ndi mkuwa. Zipatso zikakhudzidwa kwambiri, zimatayidwa ndikuwonongedwa.