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Xã Kim Đông, một trong 3 xã ven biển huyện Kim Sơn, tỉnh Ninh Bình, thuộc khu dự trữ sinh quyển đồng bằng Sông Hồng, với diện tích 573,5 ha rừng, ở đây, trang (Kandelia obovata) và bần chua (Sonneratia caseolaris) loài cây được trồng chủ yếu. Để đánh giá khả năng tạo bể chứa cacbon trong đất của rừng ngập mặn, làm cơ sở khoa học cho việc giám sá...
7 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 781 | Lượt tải: 0
SUMMARY Trichoderma and Bacillus genera are the most feasible biocontrol microorganisms that suppress several fungal pathogens. We screened 25 strains Bacillus for suppressing Fusariumsp. and Pythium sp., which cause stem rot, root rot, young death of peanuts. The result showed that strain Bacillus sp.F9 could suppresse Fusarium sp. and Pythium...
8 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 803 | Lượt tải: 0
In class Trematoda, Digenea is a large and diverse subclass consisting of about 80 families with 18,000 nominal species. Classically, Skrjabin (1947-1978) divided Digenea into 20 orders. Recently, however, Digenea was simply divided into three orders and are keyed down directly to the superfamily level using morphological features of the sexuall...
9 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 767 | Lượt tải: 0
In the present study, we have highlighted the potential antimicrobial activity of fungal isolates obtained from various marine sources in the Son Tra Peninsula, Da Nang, Vietnam. Among 73 marine fungi, 29 isolates have antimicrobial activity against at least two pathogens tested. Three strains (168ST.16.1, 168ST.35.2 and 168ST.51.1) isolated ...
6 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 705 | Lượt tải: 0
SUMMARY Lentinula edodes is a favorable edible mushroom in the world. Its successful cultivation requires not only good and high yield strains but also the appropriate nutrient sources and environmental conditions. A hybrid strain (Len 003-009) is the result of the mating between a commercial strain (Japan) (Len 009) and a wild one (Langbiang m...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 796 | Lượt tải: 0
SUMMARY The colloidal silver nano particles with particle sizes of 5, 10 and 15 nm using chitosan (1%) as a stabilizer were prepared by irradiation method using gamma rays from a Co-60 source. The researches of in vitro antifungal activity by silver nano particle-chitosan products on Phytophthora capsici pointed out that the treatments of the p...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 845 | Lượt tải: 0
SUMMARY Up to now, there has not been any scientific publication related to chemistry and pharmaceutical value of Hemigraphis glaucescens C. B. Clarke. However, they have been used as a popular and effective therapy for hypertensive patients like Pseuderanthemum bracteatum, which has been posted in many publications to include medicinal propert...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 814 | Lượt tải: 0
SUMMARY Striped catfish Pangasianodon hypophthamus is one of the most important export product of Vietnam. The current study focuses on parasite species composition parasitizing P. hypophthamus. Base on the morphological characteristics, 9 species have been detected including 2 species of Myxobolus spp., 2 Ciliophora species (Ichthyonyctus spp....
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 797 | Lượt tải: 0
SUMMARY Nattokinase is a serine protease with fibrinolytic activity whose clinical efficacy and safety for human by the oral route has been proven. In this study, we optimized the medium components for production of recombinant nattokinase from Bacillus subtillis DB104. Carbon and nitrogen sources from the different materials were selected in o...
8 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 1216 | Lượt tải: 0
SUMMARY Fimbrial adhesins are important toxic factors of enterotoxigenic E. coli (ETEC) strains, whereby they have the ability to adhere to small intestine of the host. K88 (F4) is the first fimbrial adhesin was detected in ETEC strains from piglet, and it is the most popular fimbrial adhesin of E. coli strains causes diarrhea in weaned piglets...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 742 | Lượt tải: 0