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Report on Selection and Breeding of the New Rice Variety "Jinongda 45"

Zhian Zhang

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Abstract

Jinongda 45,a new rice variety,was bred through crosses between jijing 69(female) and nongda 2284(male) using pedigree technique.The mean yield of jinongda 45 was 8 742.7 kg/hm2 in 2 years′ regional yield test.Its yield increased by 6.1% compared with the contrast variety.The mean yield of jinongda 45 was 8 894.2 kg/hm2 in 1 year′s productive trial.Its yield increased by 7.3% compared with the contrast variety.Jinongda 45 was proved and released to the farmers by Jilin Evaluation Committee of Crop Variety in January 2010.The main characteristics of this variety are high yield and resistance to disease.It can be planted in middle mature region and middle-early mature region of Jilin province,especially in Changchun,Jilin,Tonghua,Songyuan and Baicheng area.

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What this paper is about

Jinongda 45,a new rice variety,was bred through crosses between jijing 69(female) and nongda 2284(male) using pedigree technique.The mean yield of jinongda 45 was 8 742.7 kg/hm2 in 2 years′ regional yield test.Its yield increased by 6.1% compared with the contrast variety.The mean yield of jinongda 45 was 8 894.2 kg/hm2 in 1 year′s productive trial.Its yield increased by 7.3% compared with the contrast variety.Jinongda 45 was proved and released to the farmers by Jilin Evaluation Committee of Crop Variety in January 2010.The main characteristics of this variety are high yield and resistance to disease.It can be planted in middle mature region and middle-early mature region of Jilin province,especially in Changchun,Jilin,Tonghua,Songyuan and Baicheng area.

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Available abstract

Jinongda 45,a new rice variety,was bred through crosses between jijing 69(female) and nongda 2284(male) using pedigree technique.The mean yield of jinongda 45 was 8 742.7 kg/hm2 in 2 years′ regional yield test.Its yield increased by 6.1% compared with the contrast variety.The mean yield of jinongda 45 was 8 894.2 kg/hm2 in 1 year′s productive trial.Its yield increased by 7.3% compared with the contrast variety.Jinongda 45 was proved and released to the farmers by Jilin Evaluation Committee of Crop Variety in January 2010.The main characteristics of this variety are high yield and resistance to disease.It can be planted in middle mature region and middle-early mature region of Jilin province,especially in Changchun,Jilin,Tonghua,Songyuan and Baicheng area.

Key concepts: Yield (engineering), Agronomy, Crop, New Variety, Plant disease resistance, Biology, Cultivar, Gene

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