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2009•Science and Technology of Qinghai Agriculture and ForestryRequires access

Study on Hybrid Larch in Seed Reproductive Characteristic and Early Growth Performence

Jiang Li

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Abstract

The seed contrast test on hybrid larch and other purebred larch were conducted,germination and growth characteristics were determined,the results showed that 1000-grain weight of hybrid larch was 4.2g,germination was 28.7%,seedling height and ground diameter within 2 years could reach 70.7cm and 8.1mm,there were significant difference between Hybrid and purebred larch.germination of Japanese×Korean was higher,but stem form and growth were worse,germination of Japanese×Chinese was lower,but stem form and growth were better.

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What this paper is about

The seed contrast test on hybrid larch and other purebred larch were conducted,germination and growth characteristics were determined,the results showed that 1000-grain weight of hybrid larch was 4.2g,germination was 28.7%,seedling height and ground diameter within 2 years could reach 70.7cm and 8.1mm,there were significant difference between Hybrid and purebred larch.germination of Japanese×Korean was higher,but stem form and growth were worse,germination of Japanese×Chinese was lower,but stem form and growth were better.

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Available abstract

The seed contrast test on hybrid larch and other purebred larch were conducted,germination and growth characteristics were determined,the results showed that 1000-grain weight of hybrid larch was 4.2g,germination was 28.7%,seedling height and ground diameter within 2 years could reach 70.7cm and 8.1mm,there were significant difference between Hybrid and purebred larch.germination of Japanese×Korean was higher,but stem form and growth were worse,germination of Japanese×Chinese was lower,but stem form and growth were better.

Key concepts: Larch, Germination, Purebred, Seedling, Biology, Hybrid, Horticulture, Agronomy

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