Dear Nataraj Gbl

Pls. find the attached files

http://link.springer.com/article/10.1007/BF00220800

http://link.springer.com/article/10.1007/s10681-012-0805-y

https://dl.sciencesocieties.org/publications/cs/abstracts/45/2/0735

https://www.researchgate.net/publication/232815331_Development_of_a_scoring_scale_for_powdery_mildew_Golovinomyces_cichoracearum_DC_VP_Heluta_disease_and_identification_of_resistance_sources_in_cultivated_and_wild_sunflowers

http://connection.ebscohost.com/c/articles/86304775/development-scoring-scale-powdery-mildew-golovinomyces-cichoracearum-dc-v-p-heluta-disease-identification-resistance-sources-cultivated-wild-sunflowers

http://www.fao.org/docrep/006/y4011e/y4011e0l.htm

G. S. Saharan, Dr. Naresh Mehta, M. S. Sangwan. 2005.Diseases of Oilseed Crops. Indus Publishing,Pp.643. ISBN8173871760, 9788173871764

http://link.springer.com/article/10.1007/s001220100742

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015000800649

https://www.apsnet.org/publications/phytopathology/backissues/Documents/1985Articles/Phyto75n10_1151.PDF

http://learningstore.uwex.edu/assets/pdfs/A3374.PDF

https://www.ncbi.nlm.nih.gov/pubmed/18943674

http://link.springer.com/article/10.1007%2FBF00007958?LI=true

http://krishikosh.egranth.ac.in/bitstream/1/69380/1/Th9609.pdf

http://www.iita.org/c/document_library/get_file?uuid=b4a202d3-5bb5-4514-b027-b0771cae43b7&groupId=25357

Hoping this will be helpful

Regards

Prof. Houda Kawas

Article Development of a scoring scale for powdery mildew (Golovinom...

Also

Hello Nataraj

Disease measurements for leaf spots and powdery mildew are quit importance for quantify amount of disease. You can find useful keys for measurements of both diseases through the following reference:

Best regards

68

Hi Nataraj

For Powdery mildew, you can see this Reference1

58

https://link.springer.com/article/10.1007/s10681-012-0805-y

Reference2

http://www.sabrao.org/journals/December2015/SABRAO-J-Breed-Genet-47-4-502-509-Kulkarni.pdf

Reference3

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwj5oJv6nYrSAhXBlSwKHaXODpcQFggyMAQ&url=http%3A%2F%2Fconnection.ebscohost.com%2Fc%2Farticles%2F86304775%2Fdevelopment-scoring-scale-powdery-mildew-golovinomyces-cichoracearum-dc-v-p-heluta-disease-identification-resistance-sources-cultivated-wild-sunflowers&usg=AFQjCNED2o7EfER_z18eQKUXPw9jq_ZL5A&sig2=-z7xhv_GgizCXopyWY2okQ&bvm=bv.146786187,d.bGg

Reference4

https://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1991Articles/PlantDisease75n06_572.PDF

Reference5

https://ucanr.edu/repositoryfiles/ca4007p17-62952.pdf

Reference6

https://www.nzpps.org/journal/64/nzpp_641950.pdf

Reference7

https://pjp.pakps.com/index.php/PJP/article/download/138/78

Reference8

https://www.nzpps.org/journal/64/nzpp_642010.pdf

Reference9

https://www.inflibnet.ac.in/ojs/index.php/KJAS/article/download/1304/1181

Reference10

https://scialert.net/fulltext/?doi=ppj.2013.71.77&org=11

Reference11

https://inflibnet.ac.in/ojs/index.php/KJAS/article/viewFile/1357/1229

53

For Alternaria leaf blight

You can see this Reference12

https://www.academicjournals.org/journal/AJAR/article-full-text-pdf/BE9E6AD35283

Reference13

https://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015000800649

Reference14

https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS.1998.82.1.41

Reference15

http://isasunflower.org/fileadmin/documents/aaProceedings/16thISCFargo-vol1/paper155-157.pdf

Reference16

https://onlinelibrary.wiley.com/doi/10.1111/j.1365-3059.2006.01290.x/full

Reference17

https://krishikosh.egranth.ac.in/bitstream/1/69992/1/Th10785.pdf

Reference18

http://www.thebioscan.in/Journal%20Supplement/94Sup05%20VENKATA%20R%20PRAKASH%20REDDY.pdf

Reference19

https://www.grainsa.co.za/foliar-diseases-of-sunflower:-alternaria-leaf-blight,-brown-rust-an...

Reference20

https://scialert.net/fulltext/?doi=ppj.2011.192.196&org=11

Reference21

https://www.iapar.br/arquivos/File/zip_pdf/Diagrammatic%20scales.pdf

Reference22

https://isi-dl.com/download/132571

Reference23

https://www.academia.edu/7177262/weather_based_forecasting_of_Alternaria_leaf_spot_of_safflower

Reference24

https://www.academia.edu/7177262/weather_based_forecasting_of_Alternaria_leaf_spot_of_safflower

84

Reference25

https://www.cambridge.org/core/journals/journal-of-agricultural-science/article/div-classtitleeffect-of-different-intensities-of-span-classitalicalternariaspan-blight-on-yield-and-oil-content-of-sunflowerdiv/F9EC341DFB8B684ECECADC8533E010EB

Reference26

http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1066&context=plantpath_pubs

Reference27

https://citeweb.info/20040925200

Reference28

https://books.google.com/books?isbn=9811009953

Reference29

https://worldwidescience.org/topicpages/a/alternaria+leaf+spot.html

Reference30

http://www.nrclitchi.org/wp-content/uploads/2016/03/12-occurrence-of-alternaria-leaf-blight-of-groundnut.pdf

For Necrosis virus

See this Reference31

https://worldwidescience.org/topicpages/s/sunflower+necrosis+virus.html

Reference32

https://www.dl.sciencesocieties.org/publications/cs/articles/45/2/0735

Reference33

https://14.139.155.167/test5/index.php/kjas/article/view/4337/4569

Reference34

https://www.jbiopest.com/users/lw8/efiles/vol_4_1_241.pdf

Reference35

http://www.fao.org/fileadmin/user_upload/drought/docs/Maize%20Lethal%20Necrotic%20Disease%20in%20Kenya_Joint%20Assessment%20Report%20(July%202012).pdf

Reference36

https://www.iita.org/c/document_library/get_file?uuid=b4a202d3-5bb5-4514-b027...

Reference37

https://www.tandfonline.com/doi/full/10.1080/03235400600999349?scroll=top...true

Reference38

https://krishikosh.egranth.ac.in/bitstream/1/69225/1/Th8594.pdf

Reference39

https://krishikosh.egranth.ac.in/bitstream/1/69380/1/Th9609.pdf

Reference40

https://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2006.01696.x/pdf

Reference41

https://file.scirp.org/Html/14-3000192_19046.htm

Reference42

https://download.ceris.purdue.edu/file/3009

Reference43

https://www.cdfa.ca.gov/plant/PPD/PDF/CPPDR_1985_4_5-6.pdf

Reference44

https://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006...lng=en&nrm=iso

Reference45

https://www.fabinet.up.ac.za/publication/pdfs/1415-kvas_et_al._2007.pdf

For leaf curl viruses

See this Reference46

http://www.imok.ufl.edu/docs/pdf/veg-hort/extension/tylcv/veghort_screening_for_resistance_to_tomato_yellow_leaf_curl_virus_(china).pdf

Reference47

https://www.icac.org/getattachment/tech/Regional-Networks/Asian-Cotton-R-D-Network-6th-Meeting/DMonga_India.pdf

Reference48

https://www.agri.gov.il/download/files/57.pdf

Reference49

https://www.ncbi.nlm.nih.gov/pubmed/18943674

Reference50

https://www.omicsonline.org/open-access/management-of-cotton-leaf-curl-virus-disease-and-its-vector-throughin-vivo-evaluation-of-organic-nutritional-amendments-organic-oi-2157-7471-1000387.php?aid=82952&view=mobile

Reference51

https://file.scirp.org/pdf/ABB_2014010317104194.pdf

Reference52

https://www.tandfonline.com/doi/full/10.1080/13102818.2016.1148634

Reference53

http://www.alliedacademies.org/articles/molecular-characterization-of-a-begomovirus-and-betasatellite-infecting-wildsunflower-helianthus-spp-in-india.pdf

Reference54

https://www.tandfonline.com/doi/pdf/10.1080/13102818.2016.1148634

Reference55

https://www.hindawi.com/journals/ijpg/2012/417935/

Reference56

https://www.iita.org/c/document_library/get_file?uuid=b4a202d3-5bb5-4514-b027...

Reference57

https://www.tropicallab.ugent.be/charles.pdf

94

Reference58

https://www.mdpi.com/1999-4915/7/2/647/pdf

Reference59

https://www.cdfa.ca.gov/plant/PPD/PDF/CPPDR_1985_4_5-6.pdf

Reference60

https://www.almanac.com/pest/mosaic-viruses