Influence of Corm Size and Planting Density on Growth and Yield Attributes of Elephant Foot Yam [Amorphophallus paeoniifolius (Dennst.) Nicolson]

Résumé fourni par la source

An investigation was conducted at Vegetable Research Farm, CSK HPKV, Palampur, to study the effects of corm size and spacing on growth and yield attributes of elephant foot yam. Eight treatment combinations comprising two spacings of 60 × 60 cm and 75 × 75 cm and four corm sizes of 200, 300, 400 and 500g were studied on variety ‘Gajendra’ following a Factorial Randomised Block Design with three replications during kharif 2022. The results revealed that plant growth parameters, i.e. corm sprout emergence, pseudostem height and girth, leaf area index, canopy spread and harvest index, increased with large seed corms of size 500 g planted at wider spacing of 75 × 75 cm. Similarly, corm yield per plant was also highest with large corms planted at wider spacing, whereas yield per hectare (567.50 q/ha) was found maximum when large seed corm of size 500 g was planted at closer spacing of 60 × 60 cm.

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