Influence of sowing dates on performance of rice genotypes (oryza sativa l.) At middle of iraq

A. Aljbory, Flayeh; W. A.Al- Esawi, Abbood; A. Hameed, Khidhir; L. A. Al-selawy, Razaq

	Influence of sowing dates on performance of rice genotypes (oryza sativa l.) At middle of iraq
Journal of Kerbala for Agricultural Sciences
Article 4, Volume 4, Issue 4, 2017, Pages 42-55 PDF (1007.75 K)
Authors
Flayeh A. Aljbory¹; Abbood W. A.Al- Esawi²; Khidhir A. Hameed³; Razaq L. A. Al-selawy⁴
¹Agricultural Research Directrutor
²College of Education - Kufa University
³Agricultural Researches Office
⁴College of Agriculture – Kerbala University
Abstract
In order to determine the effect of three sowing dates (first June, 15thJune, 30 June) on the performance of six new rice genotypes (Oryza sativaL.) are: (T85, LT2, HT1) were introduced from Vietnam, and (MRBF-0174, MRFA-01-7-11, MRBF-0167), were invented from Al-Mishkhab Rice Research Station, in addition of Jasmine local variety as check. Factorial experiment was conducted by using randomized complete block design (RCBD) with three replications in Al-Mishkhab Rice Research Station / Agricultural Researches office at Iraq during summer season 2014. Measured the days number of 50% flowering, plant height, panicle length, grains number per panicle, panicle number per m², grain yield, and 1000-grain weight. The results indicated that the significant differences for all traits at the level of 5% probability. The T85 was increased in 1000-grain weight (23.01)g, panicle number per m² (389.6) biological yield (17764) kg.hˉ¹, and grain yield (7667) kg.hˉ¹, while the MRFA-01-7-11 was increased in panicle length and plant high reached to (28.56) cm and (136.89) cm respectively. The highest grain yield with second sowing date reached to (6302) kg.hˉ¹, lowest unfertile grain (9.05%), and higher panicle number (328.1).

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