نتایج جستجو برای: leaf spots

تعداد نتایج: 106027  

2017
Manish K. Pandey Hui Wang Pawan Khera Manish K. Vishwakarma Sandip M. Kale Albert K. Culbreath C. Corley Holbrook Xingjun Wang Rajeev K. Varshney Baozhu Guo

Peanut is an important crop, economically and nutritiously, but high production cost is a serious challenge to peanut farmers as exemplified by chemical spray to control foliar diseases such as leaf spots and thrips, the vectors of tomato spotted wilt virus (TSWV). The objective of this research was to map the quantitative trait loci (QTLs) for resistance to leaf spots and TSWV in one recombina...

Journal: Mycologia Iranica 2015

Black meristematic fungi are cosmopolitan and able to adapt to extreme fluctuations of ultraviolet radiation, temperature, and moisture and grow in exposed habitats such as stone surfaces. In a survey on fungi associated with fruit rots, leaf spots, canker, gummosis, dieback and trunk diseases of grapevine and walnut trees in Kurdistan Province (Iran), some black meristematic fungal isolates re...

Journal: :mycologia iranica 0
s. mirzaei department of plant protection, faculty of agriculture, university of kurdistan, sanandaj, iran j. nahvi moghadam department of plant protection, faculty of agriculture, university of kurdistan, sanandaj, iran e. khaledi department of plant protection, faculty of agriculture, university of kurdistan, sanandaj, iran j. abdollahzadeh department of plant protection, faculty of agriculture, university of kurdistan, sanandaj, iran j. amini department of plant protection, faculty of agriculture, university of kurdistan, sanandaj, iran m. abrinbana department of plant protection, faculty of agriculture, urmia university, urmia, iran

black meristematic fungi are cosmopolitan and able to adapt to extreme fluctuations of ultraviolet radiation, temperature, and moisture and grow in exposed habitats such as stone surfaces. in a survey on fungi associated with fruit rots, leaf spots, canker, gummosis, dieback and trunk diseases of grapevine and walnut trees in kurdistan province (iran), some black meristematic fungal isolates re...

Journal: Mycologia Iranica 2015

Sixteen isolates of Colletotrichum were collected from leaves with anthracnose symptoms or leaf spots of twelve wild, cultivated and ornamental plant species from the Guilan, Mazandaran, and Golestan provinces in Northern Iran. Five different species, including C. aenigma, C. gigasporum, C. godetiae, C. karstii, and C. musae were identified based on the DNA sequence data (TUB2, GS, GAPDH). Four...

2015
Ritaban Dutta Heiko Mueller Daniel V. Smith Aruneema Das Jagannath Aryal

In this industrial application paper a novel application of salad leaf disease detection has been developed using a combination of big data analytics and on field multi-dimensional sensing. We propose a cloud computing based intelligent big data analysis and interactive visual analytics platform to predict farm hot spots with high probability of potential biosecurity threats and early monitorin...

2009
P.W. Crous M.J. Wingfield J.Z. Groenewald

Eucalyptus spp. are susceptible to a large number of foliar pathogens, some of which can cause serious defoliation and die-back. In this study, a single leaf spot on a Eucalyptus leaf collected in Madagascar revealed an unusual association of microfungi with disease symptoms. Initial observations indicated that the leaf spot was associated with Mycosphaerella marksii, a common pathogen of eucal...

Journal: :Journal of experimental botany 2012
L X Ku J Zhang S L Guo H Y Liu R F Zhao Y H Chen

Leaf morphology in maize is regulated by developmental patterning along three axes: proximodistal, mediolateral, and adaxial-abaxial. Maize contains homologues of many genes identified as regulators of leaf development in other species, but their relationship to the natural variation of leaf shape remains unknown. In this study, quantitative trait loci (QTLs) for leaf angle, leaf orientation va...

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