THE CONTRIBUTION OF THE MAIN STEM AND BRANCHES OF THE APPROVED CULTIVAR KM5180 TO THE GROWTH CHARACTERISTICS BY THE EFFECT OF THE NUMBER OF SEEDS PER SQUARE METER

IF 1.1 Q3 AGRICULTURE, MULTIDISCIPLINARY IRAQI JOURNAL OF AGRICULTURAL SCIENCES Pub Date : 2023-12-29 DOI:10.36103/ijas.v54i6.1878

Al-Hassan Mahmood, M. F. H. Al-Hassan, J. W. Mahmood, Assist. Prof Assist, Lecturer Dept, Field Crops, Coll, Agric, Engn, Sci.

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Abstract

A field experiment conduct during winter season 2022-2023. This study was aimed to investigate effect number of seeds.m2 to two wheat varieties. The results showed the superiority of V1 in most main stem growth traits (biological yield, number of ears .In square meters, plant height, spike length, spikelets number / ear and chlorophyll content ( 1.87 t. ha, 20.0 seed. m2 , 113.90 cm , 18.40 cm, 26.37 spikelets/ ear and 75.92 (SPAD ) respectively. V1 also excelled in all the traits of branch growth ( biological yield, number of peduncles /m2, plant height, spike length and spikelets number / ear, (16.71 tons .Ha-1, 259.17 ear /m2 ,104.57 cm, 16.83 cm and 23.63 spikelets / ear ) respectively . comparative to V2 . for the seeding rates per square meter; S2 produced the highest main stem growth traits of biological yield, plant height and chlorophyll content, (16.71 ton. ha-1 , 103.63 cm and 83.99 SPAD) respectively .in compare to (S1 and S3 seeding rates), even more; S2 produced the highest biological yield in tillers No. (14.56 ton .ha-1) which was significantly higher than seeding rates ((S1 and S3) ], while S3 produced the highest ears number. (265.00 ear.m2) compared to other seeding rates.

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通过每平方米种子数量的影响，分析经批准的栽培品种 km5180 的主茎和分枝对生长特性的贡献

田间试验于 2022-2023 年冬季进行。该研究旨在调查两种小麦品种的种子数量（平方米）的影响。结果表明，V1 在大多数主要茎秆生长性状（生物产量、穗粒数.平方米、株高、穗长、小穗数/穗和叶绿素含量）方面（分别为 1.87 吨/公顷、20.0 粒种子.平方米、113.90 厘米、18.40 厘米、26.37 小穗/穗和 75.92 (SPAD)）具有优势。在每平方米播种量方面，V1 在所有枝条生长性状（生物产量、花序梗数/平方米、株高、穗长和小穗数/穗）方面也优于 V2（分别为 16.71 吨/公顷-1、259.17 穗/平方米、104.57 厘米、16.83 厘米和 23.63 小穗/穗）；S2 在生物产量、株高和叶绿素含量等主要茎干生长性状方面产量最高（16.71 吨/公顷-1、103.17 厘米、16.83 厘米和 23.63 小穗/穗）。与（S1 和 S3 播种率）相比，S2 产生的分蘖数（14.56 吨/公顷-1）最高，显著高于（S1 和 S3） ]，而 S3 产生的穗数最多（265.00 穗/平方米）。(与其他播种率相比，S3 的穗数最多（265.00 穗/平方米）。

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来源期刊

IRAQI JOURNAL OF AGRICULTURAL SCIENCES AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

2.30

自引率

50.00%

发文量

140

审稿时长

6 weeks

期刊介绍： IRAQI JOURNAL OF AGRICULTURAL SCIENCES (IJAS)is the first agric. scientific and refereed journal established in Iraq. The first volume was published in 1966. IJAS is registered in the number 137 in 1988 of the Baghdad National Library. Years ago, it was published with one issue a year. For the time being, it is published bimonthly (6 issues for a volume). IJAS Deal with: Field Crops. Plant Breeding. Agricultural Economics. Agricultural Extension. Agricultural Mechanization. Basic sciences. Hort. Sciences. Animal Husbandry. Food Technology, Plant Pathology. Plant Entomology. Poultry Sciences. Soil Sciences. Water Resources. Veterinary. Biology.