Cultivating<EM> Pinus yunnanensis</EM> seedlings with bagasse substrates

GAO Yong-qian; ZHOU Yue-hua; TIAN Kun; ZHENG Wan; NIE Yan-li; DUAN Hui; ZHANG Wen-dong

Volume 26 Issue 4

Aug. 2009

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Article Navigation > Journal of Zhejiang A&F University > 2009 > 26(4): 598-602

GAO Yong-qian, ZHOU Yue-hua, TIAN Kun, ZHENG Wan, NIE Yan-li, DUAN Hui, ZHANG Wen-dong. Cultivating Pinus yunnanensis seedlings with bagasse substrates[J]. Journal of Zhejiang A&F University, 2009, 26(4): 598-602.

Citation:

GAO Yong-qian, ZHOU Yue-hua, TIAN Kun, ZHENG Wan, NIE Yan-li, DUAN Hui, ZHANG Wen-dong. Cultivating Pinus yunnanensis seedlings with bagasse substrates[J]. Journal of Zhejiang A&F University, 2009, 26(4): 598-602.

Cultivating Pinus yunnanensis seedlings with bagasse substrates

1.
State-key Laboratory of Biodiversity Conservation in Southwest China，State Forestry Administration，Southwest Forestry College，Kunming 650224，Yunnan，China;
2.
Department of Environment Science and Engineering，Southwest Forestry College，Kunming 650224，Yunnan，China;
3.
Yunnan Academy of Forestry，Kunming 650204，Yunnan，China;
4.
Huayuan National Forest Farm of Yiliang County，Yiliang 652100，Yunnan，China

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Corresponding author: TIAN Kun
Publish Date: 2009-08-20

Abstract

Pinus yunnanensis is one of the main afforesting tree species in Yunnan Province. Two key factors of determining the growth of P. yunnanesis are provenances and cultivating condition. The aim of this experiment was to select the suitable proportion of bagasse and soil for P. yunnanensis seedling cultivation. Germination rate and seedling growth of the pine were studied by planting in the substrates with 11 levels （the volume rates of bagasse and soil were 0∶100，10∶90，20∶80，30∶70，40∶60，50∶50，60∶40，70∶30，80∶20，90∶10，and 100∶0）. The results showed that the germination rate was the highest when the substrate within 40%，50%，and 60% bagasse but when the percentage of bagasse is over 60% the rate dramatically decreased with the bagasse proportion gradually increasing. The growth，including height and ground diameter of P. yunnanensis was the highest when the substrate including 50%，70%，and 80% of bagasse. That indicate the suitable proportion of substrate is 50% bagasse in soils for both seed germination and seedling growth of the species.［Ch，4 fig. 2 tab. 12 ref.］
- silviculture,
- bagasse,
- Pinus yunnanensis,
- substrate,
- seedlings effect

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Cultivating Pinus yunnanensis seedlings with bagasse substrates

1. State-key Laboratory of Biodiversity Conservation in Southwest China，State Forestry Administration，Southwest Forestry College，Kunming 650224，Yunnan，China;

2. Department of Environment Science and Engineering，Southwest Forestry College，Kunming 650224，Yunnan，China;

3. Yunnan Academy of Forestry，Kunming 650204，Yunnan，China;

4. Huayuan National Forest Farm of Yiliang County，Yiliang 652100，Yunnan，China

Corresponding author: TIAN Kun

Publish Date: 2009-08-20

Key words:

Abstract: Pinus yunnanensis is one of the main afforesting tree species in Yunnan Province. Two key factors of determining the growth of P. yunnanesis are provenances and cultivating condition. The aim of this experiment was to select the suitable proportion of bagasse and soil for P. yunnanensis seedling cultivation. Germination rate and seedling growth of the pine were studied by planting in the substrates with 11 levels （the volume rates of bagasse and soil were 0∶100，10∶90，20∶80，30∶70，40∶60，50∶50，60∶40，70∶30，80∶20，90∶10，and 100∶0）. The results showed that the germination rate was the highest when the substrate within 40%，50%，and 60% bagasse but when the percentage of bagasse is over 60% the rate dramatically decreased with the bagasse proportion gradually increasing. The growth，including height and ground diameter of P. yunnanensis was the highest when the substrate including 50%，70%，and 80% of bagasse. That indicate the suitable proportion of substrate is 50% bagasse in soils for both seed germination and seedling growth of the species.［Ch，4 fig. 2 tab. 12 ref.］

Cultivating Pinus yunnanensis seedlings with bagasse substrates

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