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当前位置: 首页 > 文章 > 甜龙竹发笋和退笋规律及秆高生长特性研究 世界竹藤通讯 2020 (1) 30-33+40
Position: Home > Articles > Shoot Germination and Degradation Law and Culm Growth Characteristics of Dendrocalamus brandisii World Bamboo and Rattan 2020 (1) 30-33+40

甜龙竹发笋和退笋规律及秆高生长特性研究

作  者：
张国学;辉朝茂;石明;孙茂盛;刘蔚漪
单  位：
西南林业大学
关键词：
甜龙竹;发笋;退笋;秆高生长;云南省
摘  要：
文章对甜龙竹秆基芽目发育规律、芽目发笋顺序、发笋规律、秆高生长、秆龄识别、退笋规律进行了系统研究。结果表明:甜龙竹发笋历期较长,约120 d,发笋盛期主要集中于7月下旬到8月中旬。初期所发笋笋体较大,退笋少,成竹率高;盛期竹发笋笋体粗状,退笋增多,末期所发笋笋体较小,且退笋多、成竹率降低。甜龙竹Ⅰ、Ⅱ年生秆的发笋量较大,Ⅲ年生秆基本不发笋,Ⅳ年生秆不发笋。
译  名：
Shoot Germination and Degradation Law and Culm Growth Characteristics of Dendrocalamus brandisii
作  者：
Zhang Guoxue;Hui Chaomao;Shi Ming;Sun Maosheng;Liu Weiyi;Southwest Forestry University;
关键词：
Dendrocalamus brandisii;;shoot germination;;shoot degradation;;culm growth;;Yunnan province
摘  要：
The paper makes a systematical study of the growth law of buds at the culm base,shooting order of buds,shoot germination law,culm growth,culm age identification and shoot degradation law of Dendrocalamus brandisii.The results show that D.brandisii has a longer shooting period of about 120 days,and the blooming period of shooting is mainly from late July to mid-August.At the beginning,the shoots are larger,the degradation rate is lower and the bamboo growth rate is higher.At the middle stage,the shoots are thick and the number of degraded shoots increases.At the later stage,the shoot are smaller,with more degraded shoots,and the bamboo growth rate drops.Shoot germination is higher for 1-2 a culms,while the 3 a culm has few shoots and 4 a culm has no shoots at all.

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