The Seed Testing of Vigor and Viability of Bitti (Vitex cofassus Reinw. ex Blume) in Unhas Forestry Greenhouse
Siti Nurdayanti(a), Syamsuddin Millang(b), dan Mukrimin(b*), Sultan Sultan (c), Hasanuddin Hasanuddin (c), Nirwana Nirwana (c), Karmilasanti (d)

a. Master Student, Department of Forestry, Faculty of Forestry, Universitas Hasanuddin, Makassar, Indonesia
b. Department of Forestry, Faculty of Forestry, Universitas Hasanuddin, Makassar, Indonesia
c. Program Study of Forestry, Faculty of Agriculture, Muhammadiyah University of Makassar, Indonesia
d. National Research and Innovation Agency, Jln. A.W. Syahrani Noe. 68 Sempaja Samarinda, Kalimantan Timur, Indonesia

* Corresponding author^s email: mukrimin[at]unhas.ac.id- Tel.: +6281342408144

Abstract

Bitti (Vitex cofassus Reinw. ex Blume) is a tree that grows in the tropics and is included in the status of less attention (least concert/LV) and is a type of recalcitrant seed. This study aims to determine the effect of soaking water temperature and storage time on the vigor and viability of Bitti seeds. This research was conducted at the Green House, Faculty of Forestry, Hasanuddin University for three months from May-July 2022. This study was designed using a factorial Completely Randomized Design (CRD) consisting of two factors, using 50 seeds with three repetitions. The results showed that the water temperature of 30&#8304-C had the highest values for the variable percentage of germination and germination, while the vigor index showed the best treatment at 70&#8304-C with respective values of 54.72%, 53.61% and 11.22. Seed storage for 1 week showed the best value for the variable germination percentage = 44.63% and germination rate = 43.88%. As for the seed vigor index without storage, it showed the highest value, namely 11.26. Before carrying out germination activities on beetroot seeds need to be treated first.

Keywords: Bitti seeds, water temperature, storage, germination

Topic: Biodiversity, soil health and agricultural practices