Title
SELECTION OF LATE BLIGHT RESISTANT VARIETIES IN BANGLADESH FROM CIP POPULATION B3 POTATO CLONES
Date Issued
18 August 2022
Access level
metadata only access
Resource Type
journal article
Author(s)
Abdullah-Al-mahmud
Kadian M.S.
Hossain M.
Kundu B.C.
Rahaman E.H.M.S.
Alam M.J.
Hasan M.
Rahman M.M.
Kawochar M.A.
Uddin M.N.
Manilva, 29690, Spain
Publisher(s)
Indian Potato Association
Abstract
Bangladesh is in a subtropical monsoon region and extends from 20°34’N to 26°38’N latitude, its agriculture is comprised of several diversified rice-based cropping systems. Potato is an important winter crop across the country. To help increase the sustainability of potato production in Bangladesh, a set of medium-term late blight-resistant potato clones bred in CIP were evaluated for diversification potential at six locations from 2008 to 2013. After seven years of field trials, TCRC, BARI identified two clones, namely CIP 393371.58 (coded LB-6) and CIP 393280.64 (LB-7) which are consistently resistant to Late Blight under field conditions without fungicide and yield as well or better than the predominant commercial varieties (Diamant) in a 90-day cropping window. According to the AUDPC, LB-4, LB-5, LB-6 and LB-7 were moderate to highly resistant to Late Blight. The latter two produced over 30 tons of tubers per hectare. Similar yields were recorded in on-farm trials during 2011-12. These two clones were entered into regional yield trials as a requirement for variety release by the NSB. Based on field performance at on-station and farmers’ fields, NSB released BARI Alu-46 (LB-7) in 2013 and BARI Alu-53 (LB-6) in 2014 as the country’s two late blight-resistant varieties.
Start page
1
End page
16
Volume
49
Issue
1
Language
English
OCDE Knowledge area
Agricultura
Biotecnología agrícola
Subjects
Scopus EID
2-s2.0-85135885681
Source
Potato Journal
ISSN of the container
09708235
Sponsor(s)
We earnestly thank the Director-General of Bangladesh Agricultural Research Institute (BARI) for providing the services for this study, the International Potato Center (CIP), for genetic materials and USAID, GTZ and the Bangladesh authority for awarding research expenses. We acknowledge Manuel Gastelo of CIP for the pre-selection of the test clones and their documentation in CIP’s catalog of advanced clones.
Sources of information:
Directorio de Producción Científica
Scopus