Abstract
Nugrahaeni N, Rahayu M. 2017. Short Communication: Peanut introduced germplasm response against Ralstonia bacterial wilt disease. Nusantara Bioscience 9: 138-140. Peanut germplasm introduction is a means to increase genetic variability within the germplasm collection. However, its utilization is frequently hampered by its susceptibility to bacterial wilt disease, the main disease in peanut cultivation in Indonesia. The aim of the present study was to assess peanut introduced germplasm response against Ralstonia bacterial wilt disease. One hundred and fifty peanuts introduced germplasm were planted on the bacterial wilt endemic area in Pati, Central Java, Indonesia. Pre-planted isolation revealed that the bacterial population in the soil was considered high, i.e. 2.6x106 cfu.g-1. The trial was laid out in RCBD, replicated two times. Each accession was planted in two rows of 4-m length with 40 cm x 10 cm plant spacing. The crop received a basal dose of Phonska at 300 kg.ha-1 and SP36 at 100 kg. ha-1. Observations were made on bacterial wilt disease incidence and agronomic traits. Research result showed that the introduced germplasm was highly variable in their responses to the wilt disease with wilt incidence ranging from 0% to 100%. Twenty-three accessions, out of 150, were resistant to the disease. Those resistant accessions showed good agronomic characters and gave dry pod yield in the range of 1.56-4.5 t.ha-1. This results indicated that introduced germplasm could be used in increasing variability of bacterial wilt resistant gene source as well as in increasing yield potential in developing new peanut improved cultivars.
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Claims 6
Claim · model-written summary
Pre-planting isolation showed a high bacterial population in the soil of the field, 2.6x10^6 cfu/g.
RalstoniaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Peanut introduced germplasm response against Ralstonia”
e0“the bacterial population in the soil was considered high, i.e. 2.6x106 cfu.g-1”
Claim · model-written summary
The introduced peanut germplasm was highly variable in response to wilt, with wilt incidence ranging from 0% to 100%.
- Taxon
- Peanut
Arachis hypogaeat0 - Outcome
- wilt incidencee0
- Value
- 0% to 100%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Peanut introduced germplasm response against Ralstonia”
e0“the introduced germplasm was highly variable in their responses to the wilt disease with wilt incidence ranging from 0% to 100%”
Claim · model-written summary
Twenty-three of the 150 introduced peanut accessions were resistant to bacterial wilt.
- Taxon
- PeanutArachis hypogaeat0
- Outcome
- resistant to the diseasee0
- Value
- Twenty-three accessions, out of 150e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Peanut introduced germplasm response against Ralstonia”
e0“Twenty-three accessions, out of 150, were resistant to the disease”
Claim · model-written summary
The resistant accessions showed good agronomic characters.
- Taxon
- PeanutArachis hypogaeat0
- Outcome
- good agronomic characterse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Peanut introduced germplasm response against Ralstonia”
e0“Those resistant accessions showed good agronomic characters”
Claim · model-written summary
The resistant accessions gave dry pod yield in the range of 1.56-4.5 t/ha.
- Taxon
- PeanutArachis hypogaeat0
- Outcome
- dry pod yielde0
- Value
- 1.56-4.5 t.ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Peanut introduced germplasm response against Ralstonia”
e0“gave dry pod yield in the range of 1.56-4.5 t.ha-1”
Claim · model-written summary
The authors conclude that introduced germplasm could be used to increase variability of the bacterial wilt resistance gene source and yield potential in developing new improved peanut cultivars.
- Taxon
- peanutArachis hypogaeae0
- Outcome
- increasing variability of bacterial wilt resistant gene sourcee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“introduced germplasm could be used in increasing variability of bacterial wilt resistant gene source as well as in increasing yield potential in developing new peanut improved cultivars”