Variation in Air-layering Response of Eight Genotypes of <I>Persea bombycina</I> Kost

Abstract

Persea bontbycina Kost is a primary food plant of muga silkworm,Antheraea assama Ww. Phenotypic variability was studied in eight genotypes of P. bombycina for rooting percentage and other root characters through air layering propagation. A wide range of phenotypic variability was observed for rooting percentage, number of primary roots, number of secondary roots. length of the longest root. average length of the root and survivaL The maximum rooting percentage (90.00%) and survival percentage (81.54 %) was found in genotype S 8 and minimum rooting percentage ( 50.00%) and survival percentage (32.49 % ) in genotype S 2.