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摘 要
本研究選用云蔗06-407、云蔗06-408、云蔗06-415、云蔗06-416和ROC10、ROC22 6個宿根性強、弱不同的甘蔗品種為研究材料，對旱地條件下第一年宿根甘蔗進行生理指標(biāo)的分析，探討宿根蔗葉片中可溶性糖含量、葉綠素含量、可溶性蛋白含量和轉(zhuǎn)化酶活性等生理指標(biāo)與甘蔗宿根性強弱的關(guān)系。結(jié)果表明，宿根性強弱不同的甘蔗品種，在可溶性糖含量、葉綠素含量、可溶性蛋白含量和轉(zhuǎn)化酶活性上存在顯著性差異，且各指標(biāo)與甘蔗品種的宿根性呈正相關(guān)。即宿根性較強的甘蔗品種云蔗06-407、云蔗06-415和對照種ROC22的可溶性糖含量、葉綠素含量、可溶性蛋白含量和轉(zhuǎn)化酶活性較高，宿根性較差的云蔗06-416和ROC10較低，宿根性最弱的云蔗06-408最低。
關(guān)鍵詞：甘蔗(Saccharum offcinarum L.)；宿根性；生理指標(biāo)；含量測定
ABSTRACT
The physiological indexes of first ratoon crop on the drought condition, six sugarcane varieties with different ratoon traits, Yunzhe06-407, Yunzhe06-408, Yunzhe06-415, Yunzhe 06-416, ROC10 and ROC22 were tested in the paper. The relativity between the ratoon traits and four physiological indexes of soluble sugar content, chlorophyll content, soluble protein content and invertase activity were analyzed after determining samples from ratoon sugarcane leaf. The result showed that among the above four physiological indexes were of significant difference with different ratoon ability of varieties, and were of positive correlation between ratoon traits and the above four physiological indexes. That means the strongest ratoon ability sugarcane variety Yunzhe06-407，Yunzhe 06-415 and ROC22 were the highest content, Yunzhe06-416 and ROC10 were lower, and Yunzhe06-408 was the lowest.
Key words: sugarcane; ratoon characteristic; physiological indexes; determination
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