Gynoecious inbred improves yield and earliness in cucumber (Cucumis sativus)

KALIDAS PATI; A D MUNSHI; T K BEHERA; AMISH K SUREJA

doi:10.56093/ijas.v85i12.54318

Authors

KALIDAS PATI Scientist, ICAR-Central Tuber Crops Research Institute, Regional Centre, Bhubaneswar, Odisha 751 019
A D MUNSHI Professor and Principal Scientist,Indian Agricultural Research Institute, New Delhi 110 012
T K BEHERA Principal Scientist,Indian Agricultural Research Institute, New Delhi 110 012
AMISH K SUREJA Senior Scientist, Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi 110 012

https://doi.org/10.56093/ijas.v85i12.54318

Keywords:

Cucumber, Heterosis, Yield components

Abstract

Heterosis for yield and yield related traits were studied in 28 F1 hybrids of cucumber (Cucumis sativus L.) obtained by 8 × 8 diallel (excluding reciprocal) crosses involving eight parents including one gynoecious line (GBS-1). The F1 hybrids developed using gynoecious line as one parent were found to be superior in performance over top parents for various characters are GBS-1 × Pusa Uday for node number of first female flower (-2.61%), days to first female flower anthesis (-3.45 %), number of fruits/ plant (57.49 %) and yield / plant (66.40%) ,whereas GS-4 × Pusa Uday showed better heterosis for fruit length (20.34%), average fruit diameter (17.04 %) and average fruit weight (12.24%). The best three heterotic hybrids identified over the top parent for yield/plant GBS-1 × Pusa Uday (66.40%), GBS-1 × Punjab Naveen (54.44 %) and GS-4 × Pusa Uday (41.29%) and these may be exploited for commercial cultivation.

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