Khảo sát ảnh hưởng của giá thể đến sự sinh trưởng và ra hoa của cây hoa Cát Tường (Eustoma grandiflorum (Raf.) Shinn)

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Tác giả: Bảo Long Lê, Thị Bích Vân Trần

Ngôn ngữ: Vie

Ký hiệu phân loại: 580.589 Plants

Thông tin xuất bản: Tạp chí Khoa học Đại học Cần Thơ, 2022

Mô tả vật lý: 156-162

Bộ sưu tập: Metadata

ID: 410054

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Nghiên cứu được thực hiện nhằm đánh giá sự sinh trưởng và ra hoa của cây hoa Cát Tường (Eustoma grandiflorum (Raf.) Shinn) khi được trồng trên giá thể mụn xơ dừa và trấu tươi với các tỷ lệ trộn khác nhau tại nhà lưới thuộc Khoa Nông nghiệp - Trường Đại học Cần Thơ. Thí nghiệm được bố trí theo thể thức hoàn toàn ngẫu nhiên gồm có 5 nghiệm thức là 5 công thức phối trộn giá thể khác nhau. Mỗi nghiệm thức có 8 lần lặp lại, mỗi lần lặp lại tương ứng với 1 chậu, mỗi chậu trồng 2 cây. Nghiệm thức 1 (mụn xơ dừa), các nghiệm thức kế tiếp có tỷ lệ mụn xơ dừa: trấu tươi là 4:1, 3:2, 2:3 và 1:4. Kết quả cho thấy cây hoa Cát Tường sinh trưởng và ra hoa tốt ở giá thể phối trộn mụn xơ dừa: trấu tươi tỷ lệ 2:3 hơn so với các tỷ lệ phối trộn khác. Cây có chiều cao (28,2 cm), đường kính thân (3,12 mm), đường kính tán cây (13,3 cm), đường kính chồi (2,94 mm), đường kính hoa (5,8 cm) và chiều cao hoa (10,7 cm), thời gian hoa nở hoàn toàn sau khi trồng (100,0 ngày), thời gian từ khi hoa nở hoàn toàn đến khi hoa tàn (độ bền hoa) là 10,4 ngày., Tóm tắt tiếng anh, The study was carried out to evaluate the growth and flowering of lisianthus (Eustoma grandiflorum (Raf.) Shinn) when grown on coconut coir dust and rice husk substrates with different mixing ratios at the nethouse of the College of Agriculture - Can Tho University. The experiment was arranged in a completely randomized design, including five treatments, which were five different ratios of coconut coir dust and rice husk. Each treatment had eight replicates, and each repetition had equal to one pot, with two plants in each pot. The substrate ratios (v/v) applied for the study were 5:0, 4:1, 3:2, 2:3, and 1:4. The results showed that lisianthus flower plants grew and flowered well in the mixed substrate of coconut coir dust and rice husk at the ratio 2:3 than other mixing ratios. Plant had height (28.2 cm), stem diameter (3.12 mm), plant canopy diameter (13.3 cm), bud diameter (2.94 mm), flower diameter (5.8 cm) and flower height (10.7 cm), time to fully bloom after planting (100.0 days), and flower longevity (10.4 days).

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