NGHIÊN CỨU MỘT SỐ CHỈ TIÊU SINH HÓA CỦA BA GIỐNG MÍA ROC10, ROC23, ROC26 TRỒNG TẠI TỈNH HÒA BÌNH

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Tác giả: Thị Thúy Ngân Bùi, Thị Phương Hà, Văn Trọng Lê, Như Khanh Nguyễn

Ngôn ngữ: vie

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Thông tin xuất bản: Tạp chí Khoa học - Trường Đại học Sư phạm Hà Nội: Khoa học Tự nhiên, 2023

Mô tả vật lý: tr.98

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ID: 342140

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Analysis of some biochemical indicators during the growth and development of 3 sugarcane varieties ROC10, ROC23, ROC26 is one of the methods contributing to the prequalification of sugarcane varieties with good quality. The results showed that the reducing sugar content in the stems of all three sugarcane varieties decreased with age, of which ROC23 and ROC26 were less than that of ROC10. The sucrose content increased gradually, and ROC23, ROC26 had higher sucrose content than ROC10. The starch content in the cane stem decreased gradually with the age of the plant, of which varieties ROC23, ROC26 were less than ROC10. Vitamin C content of ROC23 variety was higher than that of ROC10 variety in the growing period while ROC26 variety at an early stage, vitamin C content was less than that of ROC10 variety but from 9 months old onwards, it was higher than ROC10 variety. The cellulose content of the ROC23 variety was highest, followed by the ROC10, and the lowest was the ROC26 variety. The results of this study are the scientific basis for selecting sugarcane varieties with good quality based on the biochemical changes of the plant during growth and development.Phân tích một số chỉ tiêu sinh hóa trong quá trình sinh trưởng và phát triển của 3 giống mía ROC10, ROC23, ROC26 là một trong những phương pháp góp phần vào công tác sơ tuyển giống mía có chất lượng tốt. Kết quả nghiên cứu cho thấy hàm lượng đường khử trong thân của cả 3 giống mía đều giảm dần theo tuổi cây, trong đó giống ROC23, ROC26 ít hơn so với giống ROC10. Hàm lượng sacarose tăng dần và giống ROC23, ROC26 có hàm lượng đường sacarose cao hơn giống ROC10. Hàm lượng tinh bột trong thân mía giảm dần theo tuổi cây, trong đó giống ROC23, ROC26 đều ít hơn ROC10. Hàm lượng vitamin C của giống ROC23 cao hơn giống ROC10 ở các thời kỳ sinh trưởng, trong khi ở giống ROC26 ở thời kì đầu hàm lượng vitamin C ít hơn giống ROC10, nhưng từ 9 tháng tuổi trở đi lại cao hơn giống ROC10. Hàm lượng xenlulose của giống ROC23 cao nhất, sau đó là giống ROC10 và thấp nhất là giống ROC26. Kết quả nghiên cứu này là cơ sở khoa học cho việc tuyển chọn giống mía có chất lượng tốt dựa vào những biến đổi sinh hóa của cây trong quá trình sinh trưởng và phát triển.

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