نتایج جستجو برای: citrus by

تعداد نتایج: 7056794  

ژورنال: علوم آب و خاک 2008
رحیمیان, حشمت اله , لری, زهره , معصومی, حسین , حسینی پور, اکبر ,

  Citrus stubborn disease is caused by the helical mollicute Spiroplasma citri. The pathogen is naturally transmitted by sap feeding leafhopper vectors. In the present study attempts were made to detect S. citri in presumptive vectors. Leafhoppers were collected from various wild and cultivated plants in citrus growing areas in Jirfot. Fifteen leafhopper species were identified and 12 species w...

2013
M. Kamal E. Youssef Hanan M. K. E. Youssef Rasha M. A. Mousa

Citrus peels, waste by-products of citrus juices factories are reckoned valuable healthful functional food. Th is investigation evaluated antihyperglycaemic act ivity of citrus peels powders fortified biscuits in induced diabetic rats. 10% fortified b iscuits with peels powders of four studied citrus Groups, namely : Diabetic fed basal d iet (DFBD) + 10% fortified biscuits (FB) with Baladi oran...

2005
A. K. Das

Of all the agricultural pests and diseases that threaten citrus crops, citrus canker is one of the most devastating. The disease, caused by the bacterium Xanthomonas axonopodis pv. citri, occurs in large areas of the world's citrus growing countries including India. At least 3 distinct forms or types of citrus canker are recognized. Among these, Asiatic form (Canker A) is the most destructive a...

2008
R. Jeppson

ChlorobenziIate--ethyl p, p’dichlorobenzilate-offers certain advantages in citrus pest control: it has a very low toxicity to warm-blooded animals which places it in the same category as Ovotran and Aramite; its application does not seriously affect insect parasites and predators or bees. Chlorobenzilate has a low order of toxicity to insects, therefore applications do not control populations o...

2014
D. Udayanga L.A. Castlebury A.Y. Rossman K.D. Hyde

Species of Diaporthe are important plant pathogens of a wide range of hosts worldwide. In the present study the species causing melanose and stem end rot diseases of Citrus spp. are revised. Three species of Diaporthe occurring on Citrus are characterised, including D. citri, D. cytosporella and D. foeniculina. Morphology and phylogenetic analyses of the complete nuclear ribosomal internal tran...

2006
A. A. Murkute S. Sharma S. K. Singh

Citrus is grouped under the salt sensitive crops. Mycorrhizal fungi, a symbiotic relationship between plant roots and beneficial fungi, are supposed to impart the stress tolerance in the host plants. The stress tolerance improved due to Arbuscular Mycorrhizal fungi (AM fungi) colonization can be attributed to enhanced mineral nutrition. In the present study the efforts are made to evaluate the ...

Journal: :iranian journal of virology 0
zahra jahanshahi shiraz university keramat izadpanah shiraz university alireza afsharifar shiraz university seyed ali akbar behjatnia shiraz university

plant samples were collected from yazd, isfahan, fars and tehran provinces and examined for their possible infection by hop stunt viroid (hsvd). the experimental host range of the viroid was determined by injection of infected sap into greenhouse grown seedlings and subsequent assay of inoculated plants by rt-pcr. fig, mulberry and citrus isolates of the viroid were compared with respect to hos...

2016
Amira M. Embaby Ramy R. Melika Ahmed Hussein Amal H. El-Kamel Heba S. Marey

Pectic-Oligosaccharides (POS) have a growing potential in food and feed industries. To satisfy the demand of worldwide markets from POS and avoid the shortcomings of currently applied methodologies encountered in their preparation, the present study highlights a novel robust approach for POS biosynthesis. In the current approach, Aspergillus sp.section Flavi strain EGY1 DSM 101520 was grown on ...

TThe purpose of this study was to investigate educational needs of citrus gardeners to improve business. The population of this study included 98 Citrus gardeners in Sari, in 2017, which had at least one hectare of citrus gardens and did not attend any training course, all of which were selected as samples. In order to assess the educational needs, a questionnaire based on Borich Model was used...

Journal: :Phytopathology 2001
T R Gottwald G Hughes J H Graham X Sun T Riley

Increasing international travel and trade have rendered U.S. borders much more porous and dramatically increased the risk of introductions of invasive plant pests into agricultural crops (1). Nationally, the responsibility for safeguarding agriculture falls to the U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine (USDA, APHIS, PPQ). Howe...

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