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Studies on sex expression of novel pistillate lines and their suitability for hybriddevelopment in castor (Ricinus communis L.)

Indian Agricultural Research Journals

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Title Studies on sex expression of novel pistillate lines and their suitability for hybriddevelopment in castor (Ricinus communis L.)
 
Creator YAMANURA
R MOHAN KUMAR
K BHAVYA
T MANJUNATH
N NETHRA
C LAVANYA
 
Subject Castor, Female lines, Hybrids, Pistillate, Sex expression
 
Description Studies on sex expression of new pistillate lines and their suitability for hybrid development in castor was carried out by involving five new pistillate lines developed by ICAR-IIOR, Hyderabad along with three checks. Pistillate lines IPC-42, IPC-44 and IPC-46 observed very low number of interspersed staminate flowers (ISFs) i.e., 3.67, 5.33 and 2.33 respectively compared to checks M-574 (13.67), SKP-84 (8.33) and DPC-9 (17.33). Pistillate lines IPC-46 and IPC-44 expressed ISFs only in the quaternary order whereas they showed complete pistillateness in all other order of spikes even in the sixth order of spikes (S1T1Q1P1H1). Even under higher temperature (33.10C) and high diurnal range of temperature (13.40C) these lines expressed complete pistillateness. Hence, these female lines can be directly utilized in future breeding programme to develop high yielding potential hybrids.
 
Publisher Indian Society of Oilseeds Research
 
Date 2023-12-14
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/JOR/article/view/146139
10.56739/rjjkwz75
 
Source Journal of Oilseeds Research; Vol. 40 No. Specialissue (2023): Journal of Oilseeds Research
0970-2776
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/JOR/article/view/146139/53281
 
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