Nghiên cứu nhân giống cây Trà hoa vàng (Camellia euphlebia) bằng phương pháp giâm hom

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Tác giả: Thị Thủy Bùi, Quốc Thành Lưu, Duy Vượng Nguyễn, Thị Hằng Nguyễn

Ngôn ngữ: Vie

Ký hiệu phân loại:

Thông tin xuất bản: Nông nghiệp & Phát triển nông thôn 2021

Mô tả vật lý: 92 - 97

Bộ sưu tập: Metadata

ID: 406705

Thêm vào giỏ Liên kết toàn văn

Trà hoa vàng là loại dược liệu quý trong việc sử dụng để chăm sóc sức khỏe của con người. Nhân giống bằng phương pháp giâm hom nhằm cung cấp những cây giống có chất lượng đồng đều và khả năng sản xuất lớn. Thí nghiệm được tiên hành với 2 chất điều hòa sinh trưởng IBA và NAA ở các nồng độ 1%, 1.5% và 2% để đánh giá tỷ lệ sống của hom, khả năng ra chồi, ra rễ và kích thước rễ của hom. Kết quả cho thấy tỷ lệ sống của hom ở các công thức thí nghiệm đạt trên 70%, khả năng ra chồi đạt từ 78,9% và 82,2% ở các nồng độ IBA 1,5% và 2%
tỷ lệ ra rễ của hom đạt trên 70% ở tất cả các công thức thí nghiệm. Kết quả thí nghiệm cũng cho thấy giữa hom ngọn va hom dưới ngọn không cho thấy có sự khác biệt về tỷ lệ sống, tỷ lệ ra chồi và khả năng ra rễ do đó có thể sử dụng cả 2 loại hom để sản xuất cây giống phục vụ bảo tồn và phát triển loại cây dược liệu quý này., Tóm tắt tiếng anh, Golden camellia (or yellow camellias) is a precious medicinal herb used to healthcare. Cutting propagation provides uniform plant materials with original characteristics of the mother and high productivity. The experiments were conducted with two exogenous hormone IBA and NAA at the concentrations of 1%, 1.5% and 2% (weight in powder type) to evaluate the survival rate of cuttings, budding rate/root and root length of cuttings. The results indicated that the survival rate of cuttings in the experiments reached over 70%, the budding rate made from 78.9% and 82.2% at the IBA concentrations of 1.5% and 2%
rooting rate of cuttings got over 70% in all experiments when the environmental parameters were controlled at MC >
80%
T <
27°C and opacity >
40%. The results also showed that there was no significant difference between the top cuttings and the bottom cuttings in relation to the survival rate, budding rate and rooting ability. Thus, both types of cuttings could be used for seedling production to preserve and develop this precious medicinal plant species.

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