Influence of covering treatment on the incidence of frost injury in chinese cabbage during winter season

Hydrangea macrophylla is a popular and commercially important flowering shrub, but frost injury of buds and current-year shoots is a common problem in some of its cultivars. As a result of climate warming, temperate winters are becoming progressively milder, and temperature patterns are becoming increasingly irregular with an increased frequency of warm spells. Warm spells may induce premature dehardening, increasing the risk of subsequent freezing injuries. This study investigated cold-hardiness of stems and buds of Hydrangea macrophylla ssp. macrophylla (Thunb.) Ser. ‘Alma’ during dehardening in response to simulated warm spells and subsequent rehardening in January and early March. Plants were acclimated in the field and dehardened in the greenhouse at controlled warm temperatures for various durations. Dehardened plants were rehardened for up to 12 days in an unheated greenhouse (January) or in the field (March). Buds of H. macrophylla were slightly less cold-hardy than stems. In both stems and buds, the dehardening resistance and the rate of dehardening were influenced by temperature, but buds appeared to be less resistant to dehardening and dehardened faster than stems. In stems, dehardening proceeded faster in March than in January, and the capacity of the stems to reharden seemed reduced, indicating that both dehardening and rehardening were influenced by the progression of winter. Results of this study indicate that buds of H. macrophylla are more sensitive to frost injury than stems and the vulnerability of stems to frost injuries, caused by an unstable temperature regime, changes during the winter season.

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PREVALENCE OF PSEUDOINVERTA ORAIENSIS IN FRESH WATER FISH, CLARIAS BATRACHUS

FLORA AND FAUNA ◽

10.33451/florafauna.v25i1pp66-68 ◽

2019 ◽

Vol 25 (1) ◽

Author(s):

ADITYA NARAYAN

Keyword(s):

Fresh Water ◽

Monsoon Season ◽

Winter Season ◽

Uttar Pradesh ◽

Summer Season ◽

Clarias Batrachus ◽

Fresh Water Fish ◽

Water Fish

The present investigation deals with the prevalence of infection of cestode, Pseudoinverta oraiensis19 parasitizing Clarias batrachus from Bundelkhand Region (U.P.) India. The studies were recorded from different sampling stations of Bundelkhand region of Uttar Pradesh. For this study 360 fresh water fish, Clarias batrachus were examined. The incidence of infection, monsoon season (17.50%) followed by winter season (20.00%) whereas high in summer season (30.00%).

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STUDY ON DIVERSITY AND DISTRIBUTION OF ANTS (HYMENOPTERA: FORMICIDAE) IN URBAN AND PERIURBAN AREAS OF AURANGABAD CITY, MAHARASHTRA, INDIA

FLORA AND FAUNA ◽

10.33451/florafauna.v23i2pp404-410 ◽

2017 ◽

Vol 23 (2) ◽

Author(s):

S. D. CHATE ◽

R. J. CHAVAN

Keyword(s):

Rainy Season ◽

Winter Season ◽

Seasonal Abundance ◽

Urban Region ◽

Ant Community ◽

Community Variation

The present study deals with the ant community variation in and around Aurangabad city. During the study total 16 species of ants belonging to twelve genera and four subfamilies were reported in eight habitat from urban and periurban regions. Abundance of ants was more in peri-urban region as compared to urban region. Subfamily myrmicinae was more dominant as compared to other subfamilies. Seasonal abundance of ants was seen to be more in winter season and less in rainy season.

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HPTLC determination of imidacloprid, fenitrothion and parathion in Chinese cabbage

JPC - Journal of Planar Chromatography - Modern TLC ◽

10.1556/jpc.18.2005.2.11 ◽

2005 ◽

Vol 18 (102) ◽

pp. 151-154 ◽

Cited By ~ 9

Author(s):

Haiqun Cao ◽

Yongde Yue ◽

Rimao Hua ◽

Feng Tang ◽

Rong Zhang ◽

...

Keyword(s):

Chinese Cabbage

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A Cross Sectional Survey of Chicken Astroviruses Antibody in Broiler and Sonali (Cross-Bred) Chickens in Selected Areas in Bangladesh

Macedonian Veterinary Review ◽

10.2478/macvetrev-2020-0016 ◽

2020 ◽

Vol 43 (1) ◽

pp. 75-80

Author(s):

Md Zulfekar Ali ◽

Mohammad Moktader Moula ◽

Zafar Ahmed Bhuiyan ◽

Muhammad Tariq Javed

Keyword(s):

Age Groups ◽

Winter Season ◽

Cross Sectional Survey ◽

Cross Sectional ◽

Blood Samples ◽

Elisa Kit ◽

Published Report ◽

Poultry Birds ◽

Wide Range ◽

Group B

AbstractChicken astroviruses (CAstV) are enteric viruses of poultry causing gastroenteritis, malabsorption, gout and white chick disease commonly known as runting-stunting syndrome (RSS). It can affect the wide range of poultry birds, especially chicken, turkey and duck worldwide. To our best knowledge there is no published report on presence of antibodies against CAstV in Bangladesh. Therefore, the study aimed to detect the presence of CAstV antibodies in broilers and sonali chickens (a cross-bread) in Bangladesh through a cross-sectional survey. A total of 454 blood samples from 66 flocks of broiler (n=343) and sonali chickens (n=111) of different ages were obtained during 2017 from four districts. The birds were healthy but were not vaccinated against CAstV. The samples were tested for specific antibodies against CAstV Group B by using commercially available ELISA kit. Overall, 16.74% (76/454) samples and 34.84% (23/66) flocks were positive for CAstV antibodies. The seroprevalence of CAstV was significantly (p=0.001) higher in sonali chickens (36.96%) than broiler (10.20%), while it was significantly higher (p=0.001) in birds of Bogura district (36.94%) than the other three districts. Regarding the age groups, seroprevalence was insignificantly (p=0.192) higher in sonali chicken before laying age (45%) than during laying age (27.45%). Regarding the seasons, CAstV infection was prevalent significantly (p=0.001) higher in winter season. Thus, the present study indicated the presence of CAstV in poultry in Bangladesh, so further studies are required to find out the magnitude of the problem in the country.

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A technique for development of SSR marker in flowering Chinese cabbage

Environmental Science and Biological Engineering ◽

10.2495/esbe140551 ◽

2014 ◽

Author(s):

R.H. Li ◽

Y.S. Xia ◽

Y. Li ◽

L.G. Xu ◽

H. Zhang ◽

...

Keyword(s):

Chinese Cabbage ◽

Ssr Marker ◽

Flowering Chinese Cabbage

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Effects of Mixing Fungicides in the Coating Layer of the Coated Seeds on the Control of Seedling Damping-off (Rhizoctonia solani K^|^uuml;hn) in Chinese Cabbage

Engei Gakkai zasshi ◽

10.2503/jjshs.52.27 ◽

1983 ◽

Vol 52 (1) ◽

pp. 27-34

Author(s):

Sadami YADA ◽

Masashi IMOTO

Keyword(s):

Rhizoctonia Solani ◽

Chinese Cabbage ◽

Coating Layer ◽

Damping Off

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APPLICATION OF SHIFTING ASSAY OF STANDARDIZED INDIRECT AGGLUTINATION (SSIA) FOR DETECTION OF ANTIGENS OF NEWCASTLE DISEASE AND INFECTIOUS BURSAL DISEASE VIRUSES IN CHICKEN FAECES

HUE UNIVERSITY JOURNAL OF SCIENCE AGRICULTURE AND RURAL DEVELOPMENT ◽

10.26459/jard.v83i5.3079 ◽

2013 ◽

Vol 83 (5) ◽

Author(s):

Phạm Hồng Sơn ◽

Phạm Hồng Kỳ ◽

Nguyễn Thị Lan Hương ◽

Phạm Thị Hồng Hà

Keyword(s):

Newcastle Disease ◽

Winter Season ◽

Summer Season ◽

Infectious Bursal Disease ◽

Infection Rates ◽

Faecal Samples ◽

Infectious Bursal Disease Viruses ◽

Bursal Disease ◽

Long Time ◽

Higher Sensitivity

. Using the method of shifting assay of standardized indirect agglutination (SSIA), the prevalence of Newcastle disease viruses (NDV) and infectious bursal disease viruses (IBDV) in chickens reared in several districts of Thua Thien Hue province in the Spring-Summer and Fall-Winter seasons was determined. In the Spring-Summer season of 2011, about 22.3% of the chickens were infected with NDV, in which A Luoi accounted for the highest percentage of 25% of the infected chickens and Huong Thuy the lowest of 18.2%. Meanwhile, 36% of the same chickens were infected with IBDV, with the highest percentage (46.66%) also in A Luoi and the lowest (30.3%) also in Huong Thuy. The intensity of NDV infection in the Spring-Summer season in A Luoi and Phu Vang was highest (GMT = 1.45), and in Huong Thuy lowest (GMT = 1.31). In addition, in the Fall-Winter season, about 46% of the chickens were infected with NDV and 46.3% with IBDV in Huong Thuy and Phu Vang – two neighbouring districts of Hue City, in which NDV was detected in 54.4% of the chickens in Huong Thuy and 33.9% in Phu Vang. In contrast, IBDV was detected in 41.9% and 52.7% of the chickens respectively in the two districts. The infection was not inter-dependent. Methodically, although the differences in the infection rates were insignificant with the accuracy of 95%, faecal samples showed higher sensitivity in SSIA analyses for both cases of NDV and IBDV infection in comparision with mouth exudates. By SSIA method, results could be read clearly with unaided eyes for a long time after the performance, and it was also proven applicable for cases of haemagglutinating viruses if proper treatments for depletion of animal RBCs’ surface agglutinins could be applied.

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