Bacteria (pseudomonads) and fungi can cause a hypersensitive reaction in non-host plants. However, in certain cases the necrotic response does not occur.

Non host plant & Pathogen called Heterologous interaction in which plant show HR: called heterologous HR (incompatible interaction).

Good luck

Hi Vijesh

Some references 1

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFggnMAA&url=http%3A%2F%2Fjournals.plos.org%2Fplosone%2Farticle%3Fid%3D10.1371%2Fjournal.pone.0099215&usg=AOvVaw0JLxr4Fu2RpoCw0yDl7SpX

2

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFggxMAE&url=https%3A%2F%2Fwww.sciencedirect.com%2Ftopics%2Fimmunology-and-microbiology%2Fhypersensitive-response&usg=AOvVaw1SwszsngqNYx7ZPb81XfkF

3

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFggzMAI&url=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0960982200005601&usg=AOvVaw0Cj7rWYlmM0SpYKtTb9NBL

4

https://books.google.iq/books?id=fCP0CAAAQBAJ&pg=PA300&lpg=PA300&dq=HR+reaction+occurs+in+a+Non-Host+plant+upon+inoculation+with+a+pathogen&source=bl&ots=dzcdKxAa0_&sig=UwDxMcAocyQF_Q5JV-zEu_XjRhE&hl=en&sa=X&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQ6AEIOTAD

5

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFgg7MAQ&url=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4702080%2F&usg=AOvVaw3D-KPdZ17vUnRrKZsYm0ZT

6

https://books.google.iq/books?id=fJbpCAAAQBAJ&pg=PA127&lpg=PA127&dq=HR+reaction+occurs+in+a+Non-Host+plant+upon+inoculation+with+a+pathogen&source=bl&ots=mrJmlvPlQS&sig=rytw7atEC6RhhsBMwm_v1yy7yRU&hl=en&sa=X&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQ6AEIRDAF

7

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFghGMAY&url=https%3A%2F%2Fapsjournals.apsnet.org%2Fdoi%2Ffull%2F10.1094%2FMPMI-10-16-0213-CR&usg=AOvVaw0-ub_IYRyAXCnExInpQ-r7

8

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFghOMAc&url=https%3A%2F%2Fwww.apsnet.org%2Fedcenter%2Fintropp%2FPathogenGroups%2FPages%2FBacteria.aspx&usg=AOvVaw0Zp_D8RONfvpcam2agEmBR

9

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&cad=rja&uact=8&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQFghWMAg&url=http%3A%2F%2Fonlinelibrary.wiley.com%2Fdoi%2F10.1111%2Fj.1365-3040.2012.02492.x%2Fpdf&usg=AOvVaw3RNTONpJII4QUybtF8cWZR

10

https://books.google.iq/books?id=nBe1a_0wt8cC&pg=PA93&lpg=PA93&dq=HR+reaction+occurs+in+a+Non-Host+plant+upon+inoculation+with+a+pathogen&source=bl&ots=BwUb8G-Ob5&sig=7e0XfdX6k3qRhSi97lmBiiJBwl8&hl=en&sa=X&ved=0ahUKEwiwue3Fl8jYAhXKZpoKHSuwBvEQ6AEIXjAJ

11

https://books.google.iq/books?id=N2GU-DYKkk0C&pg=PA107&lpg=PA107&dq=HR+reaction+occurs+in+a+Non-Host+plant+upon+inoculation+with+a+pathogen&source=bl&ots=64APeiCUCk&sig=ME61Z7s4VMtUU10CLjbm8n38hyY&hl=en&sa=X&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChDoAQgmMAA

12

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=12&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCCkwAQ&url=http%3A%2F%2Feuropepmc.org%2Farticles%2Fpmc282054%2Fpdf%2Fpnas00297-0175.pdf&usg=AOvVaw1NLQNQIG0EPkzssdzMvegc

13

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=13&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCC4wAg&url=http%3A%2F%2Fwww.fupress.net%2Findex.php%2Fpm%2Farticle%2Fdownload%2F12077%2F13029&usg=AOvVaw1lZslF1wVN8hToLmvl64dO

14

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCDcwAw&url=http%3A%2F%2Faem.asm.org%2Fcontent%2F76%2F20%2F6787.long&usg=AOvVaw0DOl4kp3gJe43LAFUav8es

15

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=15&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCD8wBA&url=http%3A%2F%2Fpubmedcentralcanada.ca%2Fpmcc%2Farticles%2FPMC213511%2Fpdf%2Fjbacter00204-0052.pdf&usg=AOvVaw2d5IR1EgHyYsp1-f2_YhJT

16

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=16&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCEcwBQ&url=http%3A%2F%2Fwww.plantcell.org%2Fcontent%2Fplantcell%2Fearly%2F2012%2F01%2F27%2Ftpc.111.093245.full.pdf&usg=AOvVaw1UU2MyoqCuDwp0iRbQ-oQR

17

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=17&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCE0wBg&url=http%3A%2F%2Fwww.bashanfoundation.org%2Fryu%2Fryuinsight.pdf&usg=AOvVaw1UJfGqGfvGuGcg2wXL9VMW

18

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=18&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCFYwBw&url=http%3A%2F%2Fbashanfoundation.com%2Fryu%2Fryunonhost.pdf&usg=AOvVaw0l2KMV-_hUXw1FuNVjAtto

19

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=19&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCF8wCA&url=https%3A%2F%2Fpdfs.semanticscholar.org%2Fd14c%2F23aec98c6badf84b3359c500efcb33366912.pdf&usg=AOvVaw1WaQM32JCCds8LOU_GARwQ

20

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=20&cad=rja&uact=8&ved=0ahUKEwiDoqO-mMjYAhWJCpoKHRrSBPw4ChAWCGcwCQ&url=https%3A%2F%2Fwww.nature.com%2Farticles%2Fsrep13061&usg=AOvVaw3ppv-Ygje55m00E2MztQB5