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HETEROSIS AND POTENCE RATIO OF MALE STERILITY AND FERTILITY LINE BASED HYBRIDS OF OKRA [ABELMOSCHUS ESCULENTUS (L.) MOENCH] FOR YIELD AND ITS COMPONENTS

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Title HETEROSIS AND POTENCE RATIO OF MALE STERILITY AND FERTILITY LINE BASED HYBRIDS OF OKRA [ABELMOSCHUS ESCULENTUS (L.) MOENCH] FOR YIELD AND ITS COMPONENTS
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Creator Mahesh Badiger, Parvati Pujer, Gangadhar Rao, P., Pradeep Kumar Jatav and Pitchaimuthu, M
 
Subject Abelmoschus esculentus, Genic male sterility, Heterosis, Okra and Potence Ratio.
 
Description Not Available
ABSTRACT
Present investigation was undertaken to estimate the potential of heterosis and potence ratio in total 35 okra hybrids consisting of 10 Genic Male Sterility (GMS) based hybrids. ANOVA for Line x Tester analysis revealed the presence sufficient genetic diversity for different traits in the experimental material used which eventually reflected via broader range of mid parent heterosis obtained in both positive and negative direction. Degree of dominance based on potence ratio manifested over dominance for Total yield per plant. None of the hybrid showed heterotic effects for all the traits consistently. However, based on total yield per plant (TY/P) five crosses naming IIHR-294 x JNDO-5 (107.74 %), GMS-1 X Varsha Uphar (94.16 %), IIHR-294 x Varsha Uphar (88.19 %), IIHR -294 X Parbhani Kranti (60.07 %) and GMS-1 x Parbhani Kranti (55.89 %) in their order of merit found to be most promising along with high magnitude of heterosis for other desirable traits in desired direction. Out of these top five hybrids (GMS -1 X Varsha Uphar) and (GMS-1 x Parbhani Kranti) are being GMS based hybrids, offering greater advantage of easy and economic hybrid seed production on commercial scale. Present study explicitly revealed the scope for improving okra productivity trough heterosis breeding and prospective role of GMS system in it.
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Date 2021-08-05T07:50:57Z
2021-08-05T07:50:57Z
2017-04-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/53221
 
Language English
 
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Publisher Not Available