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256174

PERFORMANCE AND CLUSTERING OF SOME EGYPTIAN RICE GENOTYPES UNDER DIFFERENT SOWING DATES

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Last updated: 05 Jan 2025

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Abstract

A two-year field experiment was carried out at the farm of the Rice Research and Training Center (RRTC), Sakha, Kafr El-Sheikh, Field Crops Research Institute (FCRI), Agricultural Research Center (ARC), Egypt, during 2016 and 2017 seasons. The experiment was conducted to study the effect of different sowing dates on the behavior of twenty four rice genotypes. Three dates of sowing, i.e. April 1st, April 15th and May 1st were used in 2016 and 2017 seasons. The twenty four varieties were laid out in a Randomized Complete Block Design with four replications in each sowing date in both seasons. A combined analysis was performed across sowing dates in each season. The studied characters were flag Leaf area (cm2) at heading, plant height (cm) at harvest and duration (day), number of panicles per hill, panicle length (cm), number of primary branches per panicle, number of filled grains per panicle, 1000-grain weight (g), grain yield (th-1) and grain quality characteristics (hulling, milling and head rice percentages). Most of the studied traits were affected significantly by sowing date, genotype and their interaction. Sowing date had significant or highly significant effects on all characters except hulling percentage in both the years. The highest values of most traits were obtained by sowing genotypes Giza179 and Sakha102 on April 1st or on April 15th. Clustering of varieties based on their performance under different sowing dates produced two large groups of genotypes; the first group included (Giza178, Sakha101 and GZ10101-5-1-1, GZ10333-9-1, Giza179 and Sakha102), which were the highest varieties in number of filled grains per panicle.  On the other hand, the second group included the lowest genotypes in number of filled grains per panicle and divided into two sub group, the promising line (GZ10147-1-21) was in a branch alone. Delaying sowing date depressed grain yield and its attributes for all rice genotypes in the two seasons.

DOI

10.12816/ejpb.2019.256174

Keywords

rice, sowing date, planting dates, rice genotypes, grain quality, Clustering

Volume

23

Article Issue

1

Related Issue

36340

Issue Date

2019-08-01

Receive Date

2022-08-25

Publish Date

2019-08-01

Page Start

223

Page End

238

Print ISSN

1110-7863

Online ISSN

2735-3885

Link

https://ejpb.journals.ekb.eg/article_256174.html

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https://ejpb.journals.ekb.eg/service?article_code=256174

Order

256,174

Type

Original research

Type Code

1,909

Publication Type

Journal

Publication Title

Egyptian Journal of Plant Breeding

Publication Link

https://ejpb.journals.ekb.eg/

MainTitle

PERFORMANCE AND CLUSTERING OF SOME EGYPTIAN RICE GENOTYPES UNDER DIFFERENT SOWING DATES

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Article

Created At

23 Jan 2023