Bangka Belitung is dominated by marginal lands, such as dry land, which can affect the productivity of groundnut by reducing groundnut yield. Increased groundnut yield in Bangka Belitung could be done by using drought tolerance genotypes. The objective of this study is to obtain groundnut genotypes tolerant to drought stress. This research was conducted at Experimental and Research Garden, University of Bangka Belitung, from January to March 2018. This research used experimental method with Split Plot Complete Randomized Design. It consisted of 2 main plot and 8 subplot levels. The main plot consists of 100% and 40% of field capacity used in drought stress assessment. Subplot consist of eight groundnut genotypes. These genotypes were Bangka local groundnuts (Belimbing, Arung Dalam, Air Ketimbai 1, Bedeng Akeh, and Lubuk Kelik accession), and national varieties (Tuban, Hypoma and Kancil varieties). Research result showed Bangka local groundnut genotypes tolerant to drought stress was Belimbing accession for 100 seeds weight character. National varieties tolerant to drought stress were Tuban and Hypoma varieties. Tuban variety showed drought tolerance through the following characters: root length, number of seeds per pod, root dry weight, and seed weight per plant. Hypoma variety showed drought tolerance on root length and number of seeds per pod characters. Tuban, Hypoma and Belimbing could be recommended for groundnut cultivation on dry land.

Mojosari Alabio (MA) is a local breed characterized by its qualitative and quantitative specific performance. Utilization of herbs including Indonesian bay leaf containing phytochemicals such as flavonoids is a way to improve the potential and productivity of MA ducks.Flavonoid is polypherol compounds having antiviral, antimicrobial, and antioxidant properties. This study was aimed at assessing the effects of giving drinking water containing leaf extract of Indonesian bay leaf (EDS) on the external morphometric of male MA ducks. Seventy-two MA day-old ducks were adapted to commercial rations (100% CP) and drinking water containing EDS for a week. A completely randomized design with 3 treatments and 6 replicates of 4 ducks was used. Treatments consisted of drinking water containing 0% EDS (R0), 4% EDS (R1), and 8% EDS (R2). Data were subjected to an analysis of variance and a Duncan test. Measurements were taken on head parts including bill length, bill width, head length, and head width, neck and body parts including neck length, back length and pelvic bone width, and extremities including wing length, and thigh length.Results showed that no significant effects (P>0.05) of treatments were found all parameters measured. It was concluded that the inclusion of leaf extract of Indonesian bay leaf up to 8% in drinking water did not affect external morphometric of male MA ducks.It was recommended that further studies on the inclusion of leaf extract of Indonesian bay leaf in drinking water in higher concentration and its effect on the morphometric of male MA ducks be conducted.