Impact of Maleic Hydrazide Foliar Application on In situ Germination, Seed Yield and Seed Quality Parameters in Groundnut (Arachis hypogaea L.)
Kiran Dasanal *
Department of Seed Science and Technology, College of Agriculture, UAS, Dharwad-580 005, India.
V K Deshpande
Department of Seed Science and Technology, College of Agriculture, UAS, Dharwad-580 005, India.
D S Uppar
Department of Seed Science and Technology, College of Agriculture, UAS, Dharwad-580 005, India.
B N Motagi
Department of Genetics and Plant Breeding, College of Agriculture, UAS, Dharwad-580 005, India.
Ramesh S Bhat
Department of Agricultural Biotechnology, College of Agriculture, UAS, Dharwad-580 005, India.
*Author to whom correspondence should be addressed.
Abstract
In the 2023 kharif season, a field experiment was conducted at the All India Coordinated Research Project on Groundnut, Main Agricultural Research Station, University of Agricultural Sciences, Dharwad, Karnataka. The study aimed to investigate the impact of foliar application of maleic hydrazide on in situ germination, seed yield, and seed quality parameters in groundnut (cv. Dh 86). The findings indicated that foliar spray of maleic hydrazide @ 3000 ppm resulted in lower in situ germination (24.64%), higher yield attributes like pod yield per plant(9.35 g), kernel yield per plant (6.67 g), shelling percentage (71.47%), hundred seed weight(39.65 g) and sound mature kernel (96%) and lower seed quality parameters like germination (66%), root length (13.50 cm), shoot length (8.13 cm), mean seedling length(21.63 cm), seedling dry weight (332 mg) and seedling vigour index I &II (1428 & 21912) as compared to control. Indicating induction of dormancy through foliar spray of maleic hydrazide.
Keywords: In situ germination, maleic hydrazide, premature germination