Txoj kev cia siab ntawm lub tsev-loj xiav spruce li tsob ntoo Christmas ntsib kev nyuaj siab thaum tsob ntoo zoo kawg nkaus poob mob. Nyeem ntawm no cov kab mob twg tuaj yeem cuam tshuam rau Norway spruce. Tau txais txiaj ntsig los ntawm peb cov lus qhia rau kev tiv thaiv zoo.
Cov kab mob dab tsi tuaj yeem xiav spruces tau thiab yuav tiv thaiv li cas?
Blue spruces tuaj yeem cuam tshuam los ntawm cov kab mob fungal xws li spruce koob rust, spruce koob scab thiab spruce koob rot, uas ua rau koob discoloration thiab shedding. Koj tuaj yeem tiv thaiv qhov no los ntawm mulching, tsis tu ncua txau nrog nettle manure thiab organic fertilization.
Cov kab mob fungal ua rau koob poob
Muaj ntau hom fungi uas tuaj yeem cuam tshuam koj cov xiav spruce. Txawm hais tias chav kawm ntawm tus kab mob sib txawv, qhov teeb meem yeej ib txwm ua rau lub ntsej muag zoo nkauj koob hnav nrog xiav shimmer. Hauv qab no peb tau muab cov kab mob fungal tseem ceeb tshaj plaws rau koj nrog cov ntaub ntawv hais txog thawj cov tsos mob:
- Spruce koob xeb (Chrysomyxa spp.): Yellow spores ntawm koob nyob rau lub caij ntuj sov; feem ntau nyob ze rhododendron
- Spruce koob scab (Lirula macrospora): Cov koob tig daj nrog elongated, dub spores
- Spruce koob blush (Tiarosporella parca): Cov pob dub tsim nyob rau hauv daim tawv nqaij, kom cov koob tshwm liab
Txawm hais tias qhov sib txawv me ntsis ntawm qhov muag pom, cov koob thaum kawg tig xim av thiab poob. Hauv qhov sib piv, ntau lwm cov kab mob fungal tau yoog tau zoo rau kev ua neej kab mob thiab tsis ua rau muaj kev puas tsuaj uas cuam tshuam rau lub neej.
Yuav ua li cas tiv thaiv kab mob fungal
Tsis txhob tos cov koob ntawm koj lub xiav spruce kom tsis muaj xim thiab poob. Txog niaj hnub no, tsis muaj cov tshuaj tiv thaiv kab mob zoo uas tau pom zoo siv hauv vaj tsev. Nrog cov kev ceev faj hauv qab no koj tuaj yeem deprive cunning fungal spores ntawm lawv lub neej ua ntej:
- Txhob muab mulch tsob ntoo kom tiaj tus nrog nplooj, nyom clippings los yog bark mulch
- Txhob muab lub mulch txheej nrog nettle manure
- Tsis txhob siv cov nitrogen-nplua nuj ua tiav chiv, tab sis fertilize organically nrog nplooj lwg thiab pob zeb hmoov av
Tus yuam sij rau kev noj qab haus huv ntawm xiav spruce yog pH tus nqi ntawm 6.5 thiab 7.5. Nws ua rau kev txiav txim siab los txheeb xyuas tus nqi no txhua ob peb xyoos uas siv cov txheej txheem xeem (€ 14.00 ntawm Amazon) los ntawm cov khw muag khoom kho vajtse lossis lub vaj tsev. Qhov nce ntawm cov alkaline ntau dua 8 yog kev txhawj xeeb, qhov no, kev tswj hwm ntawm Epsom ntsev ua rau txo qis pH tus nqi hauv lub sijhawm luv luv.
Tip
Puas yog koj tab tom nrhiav me me, muaj zog xiav spruce loj hlob hauv lub lauj kaub? Tom qab ntawd koj yuav pom qhov koj tab tom nrhiav nrog 'Fat Mac' ntau yam. Tom qab 5 xyoos, tsob ntoo dwarf tsuas yog nce mus txog qhov siab ntawm 20 cm. Tsis tas li ntawd, qhov no American hybrid tau ua pov thawj tias tiv taus ntau yam kab mob.