CONTRIBUTION OF ARBUSCULAR MYCORRHIZAS TO BIOLOGICAL PROTECTION OF MICROPROPAGATED PINEAPPLE (ANANAS COMOSUS (L.) MERR) AGAINST PHYTOPHTHORA CINNAMOMI RANDS

Contribution of arbuscular mycorrhizas to biological protection of micropropagated pineapple (Ananas comosus (L.) Merr) against Phytophthora cinnamomi Rands

Phytophthora cinnamomi Rands causes root rot of pineapple (Ananas comosus (L.) Merr.) and the development of this disease is harmful for fruit production.Micropropagated plants of two varieties, Queen Tahiti and Smooth Cayenne (clone CYO), were inoculated at COLLAGEN PLUS transplanting from axenic conditions with an arbuscular mycorrhizal fungus to

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Frost hardening and risk of a second flush in Norway spruce seedlings after an early-season short-day treatment

There have been years in Finland when container seedlings of Norway spruce (Picea abies (L.) Karsten) planted in the summer have been damaged by early-autumn frosts.For August and September plantings, the seedlings can be Keg Racks hardened by means of short-day (SD) treatment, but little information is available about its usability for earlier pla

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