NGHIÊN CỨU ẢNH HƯỞNG CỦA MỘT SỐ HỢP CHẤT HỮU CƠ LÊN QUÁ TRÌNH SINH TRƯỞNG VÀ PHÁT TRIỂN CÂY LAN HÀI HỒNG (Paphiopedilum delenatii) IN VITRO

He stood there for a long time. Tami Joan and John desperately retreated until they reached the other side of the door, holding two sweaty bodies tightly together. The drivers hand bent into the shape of a cup, blocking the lights shone on the street light, looked at them more carefully. 1Z0-062 test Suddenly, a loud noise echoed in the air. Tameron could not help but constricted a while, and John Prepexamwell made a short, screaming scream. Behind the driver, the air Prepexamwell in the distance was filled with bright red and blue flame stripes Prepexamwell instantly. Then again is a few roar and scream. The driver turns and looks up, just to see a huge, orange-red cobweb over the ADM-201 Exam Preparation Material city. It was a fireworks, and Tamie remembered the news read in the newspaper. It 300-075 Exam Dumps Questions is a gift from the host and the Secretary-General of the 1Z0-062 test United Nations to the delegates attending the conference and welcomes them to this great city on Earth. The driver turned toward the taxi again. Pat soon, he opened the door Prepexamwell lock, slowly opened the door. 2 As usual, the informant did not leave a name. Therefore, there is no other way to pour back into the past to understand what the reporter said is a piece of open space. The headquarters radio said He said it was on the 37th Street near Eleventh Street. Those at the Notification Center never figured out where the exact location of Learnguidepdf the murder was. Although it is 300-075 Exam Dumps Questions nine oclock in the morning, it has made people sweat more than hot. Emilia ADM-201 Exam Preparation Material Shakes lay aside a tall grass thatch. She is conducting a search of light – a jargon of crime Learnguidepdf scene investigators – searching for suspicious objects with an S-shaped route. Nothing at all She looked down Learnguidepdf at the intercom on the dark blue uniform shirt. Patrolman 5885 calls Learnguidepdf headquarters without 300-075 Exam Dumps Questions any notice. Do you have any further news 1Z0-062 test The dispatcher replied in Prepexamwell Prepexamwell a bumpy noise 5885, there is Learnguidepdf no more information about the scene of the crime at Learnguidepdf the moment, but one thing The informant said he hoped the victim was dead. 1Z0-062 test Please say it Testprepwell again, headquarters. The complainant said he hoped the victim was already dead. 300-075 Exam Dumps Questions He said it would be best if so. Finished. Hopefully the 1Z0-062 test victim Testprepwell Dead Shakes struggled across a 1Z0-062 test Testprepwell broken barbed wire and began Learnguidepdf searching for another piece of open space. Still not found. She wants to leave. Just call 10-90, report that without any Testprepwell discovery, you can return to the Si 300-075 Exam Dumps Questions Si 1Z0-062 test area, it is her daily 1Z0-062 test patrol area. Her knees 1Z0-062 test Testprepwell hurt and she felt as if she had been roasted on a terrible August day. She just wanted to slip to the Port Authority and get stuck with the Little Furrier there and come back to a large can of Arizona iced tea. Then, ADM-201 Exam Preparation Material at eleven thirty – just two hours now – she was able to clear the drawers in Prepexamwell the south section of Midtown and go to the lower town for training. But she finally did not do this. Prepexamwell 300-075 Exam Dumps Questions She can not leave this briefing without ADM-201 Exam Preparation Material answering the phone call. As she continued to move on, she walked along the hot sidewalk through the path between the two abandoned apartments and into another covered, planted area. She slid her slender forefinger down into Prepexamwell her flat-top hat and scratched it with irresistible restraints through layers of long, red hair on Testprepwell her head. In order ADM-201 Exam Preparation Material to scratch more scalp, she simply faded her cap side, while crazy scratch. Sweat streaming down ADM-201 Exam Preparation Material her forehead, itchy, so she fiercely blew Learnguidepdf a few brows.

This place is really messy. Lyme Prepexamwell does not like the mess when cleaning the room. He does not like the kind of chaos and roar, can not stand the harsh vacuum cleaner – he found himself particularly annoyed that stuff. He was satisfied with it, satisfied with what it is now. This room, which he calls the office, is located on the second floor of this gothic, Upper West Side apartment overlooking the Central Park. The room was large, twenty by twenty feet square, but almost Learnguidepdf every inch of 300-075 Exam Dumps Questions space was full of things. Sometimes he closes his eyes and plays a game trying to discern the scent of different objects in the room thousands of books ADM-201 Exam Preparation Material and magazines, piles of copy paper, hot TV 300-075 Exam Dumps Questions transistors, dusty light bulbs, Bulletin Prepexamwell boards made of ADM-201 Exam Preparation Material cork, ADM-201 Exam Preparation Material as well as different upholstery materials such as vinyl, hydrogen peroxide and latex. He can distinguish three different brands of Scotch whiskey. 1Z0-062 test And pest guano Prepexamwell taste. I do not want to see him and tell him Im very busy. Theres another Prepexamwell young police officer, Ernie Banks, Testprepwell who is the same name as a professional baseball player, right You really should ADM-201 Exam Preparation Material have me clean the room. Every time you wait until someone Prepexamwell visits you, ADM-201 Exam Preparation Material Learnguidepdf ADM-201 Exam Preparation Material you will find out how dirty it is here. Visiting God, the 1Z0-062 test word sounds really old, at least in Victorian terms. Far too far .– So to say, there will be a bad ceremony Dirty What Thomas said is room, but Lyme thinks he also includes himself as an employer. Lymes hair Testprepwell is dark and dense, 1Z0-062 test like a twenty-year-old – though he is twice as old. However, they are entangled in a muddle-headdresses, grooming needs to be trimmed. Black beard on his 300-075 Exam Dumps Questions face has not Prepexamwell scratched three days, 1Z0-062 test looks dirty. He often woke up from his sleep because of 1Z0-062 test itchy ears, indicating that the hair there should be repaired. Lymes nails are long, fingernails and 300-075 Exam Dumps Questions Testprepwell toenails are the same the ugly scary pajamas on his body have been worn continuously for Testprepwell a week without a change. His Prepexamwell eyes were ADM-201 Exam Preparation Material slender, his eyes dark brown, and his face looked rather pretty – I do not know if it was a big deal or something else, and Blaine told Testprepwell him more than once. They want to talk Testprepwell ADM-201 Exam Preparation Material 1Z0-062 test to you, continued Thomas. They said it was very important. Learnguidepdf Well, let them know. You have not seen Leon for nearly a year. ADM-201 Exam Preparation Material Why See Learnguidepdf him now Did you scare the bird If you scared the bird, 300-075 Exam Dumps Questions beware I was in a hurry with you. Its very important, Lincoln. Very important, I remember what you just said. He had called Learnguidepdf Testprepwell earlier, I had a nap, 300-075 Exam Dumps Questions and you were out again. You woke up until six in the morning. No, he paused. Yes, I woke up very ADM-201 Exam Preparation Material 1Z0-062 test early, but Learnguidepdf then I fell asleep again and slept well. Did you check your message Thomas said There was no talk Testprepwell of him. He said he would It was around 10 oclock. Its just past Testprepwell eleven, and maybe hes temporarily called out of the emergency 300-075 Exam Dumps Questions room, for a while. What do you want to say Did you just call . Maybe he wants 300-075 Exam Dumps Questions to call in, and you just take up the line. I Testprepwell just What did I say Lyme asked, See 300-075 Exam Dumps Questions youre angry, Im not saying you can not call. You Of course its Learnguidepdf always possible, I just said Learnguidepdf he might make a phone call, and you just take the line. No, you mean, 300-075 Exam Dumps Questions this morning, fucking everything is not pleasing to the eye. You know, theres one thing called call waiting, you can pick up two calls at a time.We should have applied for one.My old friend Leon wants to do.His professional baseball player friend wants Ask them. Ask me now.

Bổ sung các hợp chất hữu cơ vào môi trường nuôi cấy in vitro thường được thực hiện với mục đích thúc đẩy quá trình trao đổi chất của một số cây sinh trưởng chậm. Trong nghiên cứu này, chúng tôi khảo sát ảnh hưởng của ba nhóm hợp chất hữu cơ khác nhau: (i) nhóm chuối, khoai tây, nước dừa; (ii) nhóm peptone, triptone, bột nấm men và (iii) nhóm tảo spirulina lên quá trình sinh trưởng và phát triển của lan hài hồng (Paphiopedilum delenatii) in vitro.

Continue Reading

NGHIÊN CỨU NHÂN NHANH IN VITRO LOÀI LAN KIM TUYẾN (ANOECTOCHILUS SETACEUS BLUME) NHẰM BẢO TỒN NGUỒN DƯỢC LIỆU QUÝ

 Đặt vấn đề

Từ xưa đến nay, lan vẫn được biết đến như một loài hoa quý phái, hoa của bậc vua chúa vương giả. Lan được phát hiện đầu tiên vào những năm 40 của thế kỷ VIII, cho đến nay đã có hơn 15.000 loại lan trồng khác nhau trên trên thế giới.

Continue Reading

Nghiên cứu nhân giống lan Hoàng thảo Nghệ tâm (Dendrobium loddigesii Rolfe) bằng phương pháp nuôi cấy lát mỏng tế bào

Trong bài báo này, các tác giả trình bày kết quả nghiên cứu nuôi cấy lát mỏng tế bào cây lan Hoàng thảo Nghệ tâm (Dendrobium loddigesii Rolfe). Nguyên liệu ban đầu là lát cắt mỏng theo chiều ngang (tTCL – traverse thin cell layer) của chồi in vitro.

Continue Reading

NHÂN GIỐNG CÂY LAN ĐUÔI CHỒN (Rhynchostylis retusa [L.] Blume) BẰNG KỸ THUẬT NUÔI CẤY MÔ

Một quy trình nhân nhanh giống Lan đuôi chồn bằng kỹ thuật nuôi cấy mô đã được nghiên cứu thành công, với hệ số nhân giống cao: Hạt non từ quả lan chín sinh lý được nuôi trên môi trường Knops + 100 ml/l dịch chiết khoai tây (PH), 100 ml/l nước dừa (CW) và 20 g/l sucrose, cho tỷ lệ hạt nảy mầm 95% sau 6 tuần nuôi cấy. Continue Reading

Môi trường nuôi cấy mô cây lúa- gạo

Hơn 90% lúa gạo được trồng và tiêu thụ ở Châu Á, nơi có khoảng 55% dân số thế giới sống, phản ánh giá trị của gạo trong cuộc sống hàng ngày của con người (Bajaj và Mohanty, 2005). Việc nuôi cấy mô trên cây lúa nhằm cho mục đích nghiên cứu chuyển gene vào cây lúa ví dụ như gene kháng hạn, gene kháng mặn… Continue Reading

Nhân giống invitro lan DENDROBIUM OFFICINALE KIMURA ET MIGO thạch hộc thiết bì

Lan Dendrobium officinale Kimura et Migo. (Thạch hộc Thiết bì) là giống lan quý được sử dụng làm thuốc và thực phẩm chức năng chữa bệnh tiểu đường và các bệnh nan y đang được thương mại hóa rộng rãi trên thế giới.

Continue Reading

Nhân giống invitro loài lan bản địa Dendrobium Nobile Lindl

Nghiên cứu nhân giống in vitro Lan Dendrobium nobile Lindl. (Thạch hộc) nhằm mục đích để bảo tồn và phát triển loài lan quý chi Hoàng thảo, có giá trị thẩm mỹ và dược liệu cao, đang có nguy cơ tuyệt chủng. Kết quả cho thấy nguyên liệu sử dụng thích hợp là quả lan 5 tháng tuổi; môi trường gieo hạt là MS + (100ml ND + 10g saccharose + 6,0g agar)/lít môi trường. Continue Reading

Nhân giống invitro lan hoàng thảo kèn Dendobium Lituiflorum Lindl

Hoàng thảo kèn (Dendrobium lituiflorum Lindl.) là loài lan rừng đặc hữu và quý hiếm của Việt Nam. Nghiên cứu này xây dựng quy trình nhân giống in vitro cây hoàng thảo kèn bao gồm phát sinh PLBs từ chồi, tái sinh chồi, tạo rễ. Chồi in vitro được nuôi cấy trên môi trường MS bổ sung TDZ ở các nồng độ khác nhau để phát sinh protocorm like bodies (PLBs). Ở nồng độ TDZ 2,0 mg/l cho tỷ lệ phát sinh PLBs cao nhất.

Continue Reading

Nuôi cấy mầm ngủ phát hoa lan hồ điệp PHALAENOPSIS SP

Đề tài nghiên cứu xây dựng quy trình nhân giống trực tiếp lan hồ điệp Phalaenopsis từ mầm ngủ phát hoa không qua giai đoạn tạo mô sẹo. Kết quả thu được ở môi trường có nồng độ khoáng thấp (1/2 macro MS + 1/2 micro MS, bổ sung 2 mg/l BAP và 0,5 mg/l NAA) có hiệu quả tạo chồi cao nhất (2,83 chồi/mầm) ở 60 ngày sau khi cấy.

Continue Reading

Nghiên cứu nhân nhanh in vitro loài lan kim tuyến Anoectochilus setaceus Blume thông qua cảm ứng tạo protocorm like bodies

Lan kim tuyến (Anoectochilus setaceus Blume) là dược liệu quý được sử dụng trong các bài thuốc cổ truyền của cộng đồng dân tộc thiểu số ở Việt Nam. Lan kim tuyến phân bố rộng nhưng số lượng cá thể ngoài tự nhiên không nhiều do khả năng tái sinh chậm, đòi hỏi điều kiện sống ngặt nghèo ngoài ra, lan kim tuyến đang bị khai thác quá mức do có nhiều dược tính quý. Continue Reading