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  • Author or Editor: W. Bailey x
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Abstract

Hexamethylenediamine adipate and the half amide of glutaric acid and hexamethylenediamine are biodegradable N-containing compounds with soil flocculating properties. Hexamethylenediamine adipate added to soil medium prior to sowing improved germination of tomato (Lycopersicon esculentum L. cv. Manapal.)

Open Access

Abstract

Selections of apple (Malus domestica Borkh.) of known parentage were exposed in a greenhouse to artificial infestations of European red mite. The clones PRI 95356, N.J. 70, PRI 123056, and PRI 159155 and ‘Vista Bella9, were the least preferred (P = 5%); mite counts per leaf and per cm2 of leaf area were highly correlated even though the leaf area varied within and between selections. There was no evidence that any parent in the pedigrees contributed to ERM resistance based on an analysis of the association of mite numbers for the 4th and 5th week after infestation and the expected frequency of genetic contribution from various parents in the pedigree.

Open Access