Abstract
<em>Indigofera zollingeriana</em> (Indigofera) plant is potential feed ingredients. The propagation of this plant is through seed. The low quality of seed is a problem in its development. This study was aimed to evaluate the relationship of pod colour with quality of Indigofera seeds. The study was designed in a complete randomized design consisting of four pod colours and four replications, namely: P<sub>1</sub>= green, P<sub>2</sub>= brownish green, P<sub>3</sub>= brown, and P<sub>4</sub>= black. The parameters observed were: characteristic and morphology of pods and seeds of Indigofera, the growth of sprouts, and the growth of fungus on Indigofera seed. Results showed that the number of pests was fewest found in P<sub>2</sub>, brownish green pod (14%). The highest number of seeds was in P<sub>1</sub>, green pod (5173) and P<sub>2</sub>, brownish green pod (4944). The highest germination (62%) was detected in P<sub>2 </sub>(brownish green). The heaviest sprout was in P<sub>2</sub>, in brownish green pod (0.035g), highest sprout (2.68 cm) in P<sub>4</sub>, black pod colour. Based on fungus observation, the black pod (P<sub>4</sub>) provided the fewest result (6.63%), however most fungus grew very well in P<sub>1</sub>, the green pod (47.88%). It could be concluded that the brownish green pod colour was the best phase for harvesting good quality <em>I. zolligeriana</em> seed.
Highlights
One of the most popular forages is Indigofera zollingeriana (Indigofera)
This study was aimed to evaluate the relationship of pod colour with quality of Indigofera seeds
The available information obtained by increasing Indigofera seed productivity remains limited
Summary
One of the most popular forages is Indigofera zollingeriana (Indigofera). It has very high nutrient content, is potential as feed ingredient, and is able to increase animal productivity (Salvador et al 2010; Suharlina et al 2016; Telleng et al 2017). The seeds are usually obtained from black pods, harvested in the field through drying and milling process to separate the seeds from the pods. The demand of Indigofera seed is increasing every year. The providers can not fulfill all the demands. Low production and quality of seeds, contaminating pest and fungus on the sprouts were most likely due to the lack of harvesting management. The available information obtained by increasing Indigofera seed productivity remains limited. The previous research reported by Kissock & Haferkampa (1983), presowing seed treatment and temperature affect germination of Indigofera miniata var leptosepala
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