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Hindi Seed fortification to improve seed yield and quality of cluster bean (Cyamopsis tetragonoloba (L) Taub)
B C Channakeshava
University of Agricultural Sciences, India
: J Plant Physiol Pathol
Abstract
Cluster bean (Cyamopsis tetragonoloba) popularly known as Guar is a drought hardy, deep-rooted, annual legume, grown for feed, fodder, green manure, vegetable and seed.Of late, the crop has assumed great industrial importance because of occurrence of ‘Guar-gum’ in its endosperm and hence, the area under cluster bean is increasing every year. The means to fortify seeds for better seed yield and quality has become important and emphasized. A field experiment was conducted to determine the effects of seed fortification on seed yield and quality of cluster bean. The treatments included were T1-control (unfortified seed served as control), T2 -water, T3-gibberellic acid (200 ppm), T4- silicic acid (2ml) (silicic acid is a beneficial element which is source of silicon with the chemical formula SiH4 O4), T5 -KNO3 (2%), T6-MgSO4(1%), T7-ZnSo4(1%), T8-Pongamia leaf extract (1%), T9 -Cow urine (10%, prepared by mixing 10 ml of fresh cow urine in 90 ml of distilled water) with a soaking duration of 3 hours. The results revealed that seed fortification with 1% MgSO4 recorded higher plant height, minimum days to 50% flowering and maturity, higher number of clusters per plant, number of pods per plant, number of seeds per pod, dry matter accumulation, 100 seed weight and seed yield compared to control. The percent improvement in seed yield due to MgSO4 fortification was 22.21 than unfortified seeds. Hence, seed fortification with 1% MgSO4 could be recommended for cluster bean as a pre-sowing seed invigorative treatment to improve the plant growth, seed yield and quality.
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