Ecology, Environment and Conservation Paper

Vol 27, Issue 1, 2021; Page No.(410-415)

EFFECT OF SOWING DATE AND PLANTING DISTANCE ON GROWTH AND YIELD OF OAT

Zaman S.A. Al-dulaimi, Maher H.S. Al-Asady and Husham S. Ali

Abstract

The experiment was carried out during at winter agricultural season 2019-2020 in Babylon Governorate/ Abi-Gharq district For the purpose of knowing the effect of sowing date and planting distance on growth and yield of oats Avena sativa L. The sowing date is 1st and 15th of November and 1st and 15th of December and planting distance are 20, 25 and 30 cm. The treats are distributed in a factorial experiment according to RCBD with three replicates. The results show that sowing at November 15 produced higher tillers number, content of chlorophyll dyes in flag leaf, panicle number, number of grains in panicle, weight of 1000 grains, biological and grain yield, with averages of 645.5 tillers.m-2, 53.26 SPAD, 551.8 dalia.m2 and 54.16 grain.dalia-1, 41.40 g, 29.25 ton.ha-1 and 12.59 ton.ha-1 respectively. The planting distance 20 cm produces higher tillers number, panicle number, biological and grain yields with averages of 620.8 tiller.m-2, 587.8 panicle.m-2, 27.13 ton.ha-1 and 10.21 ton.ha-1 respectively. The interaction treat November 15 with 20 cm distance is significantly higher on average in tillers number, biological and grain yield with averages of 778.7 tiller.m-2, 33.85 ton.ha-1 and 15.38 ton.ha-1 respectively.

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