Heterosis Studies in Okra (Abelmoschus esculentus L. Moench)

Kerure, Prakash; Pitchaimuthu, M.

doi:10.20546/ijcmas.2018.709.225

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“…To assess the level of heterosis and identify promising parents and crosses for breeding programs, it is necessary to conduct crosses using appropriate mating designs. It has been found that okra's yield and its components exhibit marked heterosis of 38 to 71 % (Laxmi Prasanna, 1996, Singh et al, 1975) (Kerure et al,2019). Extensive research has been conducted to study heterosis in yield and its various components.…”

Section: Introductionmentioning

confidence: 99%

“…For hybrid variations to be successfully produced, there must be sufficient hybrid vigour. In order to find useful hybrid combinations for use in upcoming breeding programmes and commercial applications, heterotic investigations are essential (Kerure et al,2019). Parent selection for effective hybridization depends on better parent and useful heterosis.…”

Section: Introductionmentioning

confidence: 99%

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STUDY OF HETEROTIC CROSS COMBINATIONS FOR FRUIT YIELD AND IT’S COMPONENT TRAITS IN OKRA [ Abelmoschus esculentus (L.) Moench]

Reddy

Talekar

2023

Preprint

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The present research study helps in evaluation of F hybrids for enhancement of the okra production through the selection of superior heterotic hybrids by L x T design during monsoon-2022. A total of 48 crosses are developed by crossing in 8 x 6 fashion of lines and testers along with standard checks Punjab-8 and Punjab-7 were sown in 3 replications in experimental design of Randomized Block Design at Agricultural research farm in Lovely Professional University, Phagwara, Punjab for heterosis of fruit yield and its component traits in bhendi. An observation of fifteen quantitative characters were recorded. The ANOVA for mean sum of squares is substantial across all the characters suggests that there is an ample amount of genetic variation present among parents and hybrids. The fruit yields of GFS GOLD-V4 x IC058768, VRO-4 x IC048281 and Palm Komal x IC048281 were much higher than those resulting from standard checks, and they are recommended for additional evaluation and can be utilized for heterosis commercially.The maximum positive and substantial heterosis was observed for Height of Plant (113.22) in Palm Komal x IC048281 and next to it is Nodes per Plant (77.79) and Fruits per Plant (77.13) in Palm Komal x IC046018. The cross Palm Komal x IC048281 displaying significant desirable heterobeltiosis and economic heterosis not only for yield and also characters like Height of Plant, Fruits per Plant, Nodes per Plant, Average Fruit weight, Branches per Plant, Fruit girth and Fruit length among top three cross combinations for component traits which is highly recommended for commercial okra crop improvement.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%