. Diseases and pests of cultivated plants [microform]. Ennemis des cultures, Lutte contre les; Agricultural pests; Ennemis des cultures; Agricultural pests. DiSKAMKM AXIt I'ENTS OK I' RO. I-'l;;. 11. lihizttrtuniit on potato-tiilHTs. Is iiiii>ortaiit. however, to avoid us fur as inissilile iiilrodiiciiiK it Into the soil. Sei-d- treutuii'iit with corrosive suliliniate is effeelive. hut fonnahlehvde is unrellahle and often worthless. However, the sclerolla .ire very resista ,t to the penetration of liciiiids, and the finicns-tissiie in the Interior of the larger oi hy any treatment th
. Diseases and pests of cultivated plants [microform]. Ennemis des cultures, Lutte contre les; Agricultural pests; Ennemis des cultures; Agricultural pests. DiSKAMKM AXIt I'ENTS OK I' RO. I-'l;;. 11. lihizttrtuniit on potato-tiilHTs. Is iiiii>ortaiit. however, to avoid us fur as inissilile iiilrodiiciiiK it Into the soil. Sei-d- treutuii'iit with corrosive suliliniate is effeelive. hut fonnahlehvde is unrellahle and often worthless. However, the sclerolla .ire very resista ,t to the penetration of liciiiids, and the finicns-tissiie in the Interior of the larger oi hy any treatment that is safe for the tnhers. les may remain iinin, .red tills ri'.'ison It best to (IIn, iird altosether, for se(Hl imriK)ses. 'i-s bearlni; l;irgi" .sclerotia. Dry-bot Wilt (/â¢'« Kdiium )iiiui)i). This dlseaw afTeets tlie nnder^ronnd parts of tin- iilaiits ii; the tield. As a eon- seiiueriee the foliage takes on an eolonr ami the leaves curl In from the The shoots die preniiturely and the yield is diminisheil. In the Held, llowever. unless severe, the disease is likely to pass umioliced. .Vffected tubers may shrivel ui> with dry-rot in storage. They also seem to offer U'tter fa<ilitles for the Invasion of the bac'teria which pnxluce wet-rot. W<'t-rot in the tield durhuf tho past season .s<'eiued partlcnlarly abundant In hills affected w ith the Fioiariiiiii. Many tubers may. however, go througli the winter wltb'.iK ajiparent change, and tliese. If used for sj-ed. serve to intrfxluce the disease Into the When once Introduced, the fungus may persist in the s<(il for several Afl'intcd tulM'rs may be detected by cutting them across clow to the stem end, when a ring of brownl. 'â siM)ts will be seen uinrking the position of the vascular bundles. Coiitiol.âAvoid using for sed ttd)ors which show tlie discoloration referred to. 1)0 not grow ;iotatoes again for several years on land which lias borne a dls
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1916
