Download PTU B.Sc Agriculture 2019 May 6th Semester 74345 DISEASES OF HORTICULTURAL CROPS AND THEIR MANAGEMENT Question Paper

Download PTU (Punjab Technical University) BSc Agriculture 6th Semester 74345 DISEASES OF HORTICULTURAL CROPS AND THEIR MANAGEMENT Last 10 Years 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2010 Previous Question Papers.

1 | M-74345 (S2)-112
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Agriculture) (2014 & Onwards) (Sem.?6)
DISEASES OF HORTICULTURAL CROPS
AND THEIR MANAGEMENT
Subject Code : BSAG-602
M.Code : 74345
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
Q1. Write the causal organism and mode of perpetuation of the following diseases :
a) Citrus gummosis/Foot rot
b) Citrus canker
c) Black spot of rose
d) Wilt of gladiolus
e) Early blight of tomato
f) Red rust of mango
g) Pea rust
h) Purple blotch of onion
i) Anthracnose and fruit rot of chili
j) Brown rot of peaches

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1 | M-74345 (S2)-112
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Agriculture) (2014 & Onwards) (Sem.?6)
DISEASES OF HORTICULTURAL CROPS
AND THEIR MANAGEMENT
Subject Code : BSAG-602
M.Code : 74345
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
Q1. Write the causal organism and mode of perpetuation of the following diseases :
a) Citrus gummosis/Foot rot
b) Citrus canker
c) Black spot of rose
d) Wilt of gladiolus
e) Early blight of tomato
f) Red rust of mango
g) Pea rust
h) Purple blotch of onion
i) Anthracnose and fruit rot of chili
j) Brown rot of peaches

2 | M-74345 (S2)-112
SECTION-B
Q2. Explain etiology of mango malformation and citrus greening. Why mango malformation
is more severe in North-West region of the country.
Q3. Name two pathogens of grapes alongwith fungicides against which fungicide resistance
has been reported. What strategy should be adopted to check the development of
resistance?
Q4. Write down Integrated management practices to control foot rot of citrus and black tip of
mango.
Q5. Differentiate between Panama wilt and Sigatoka disease of banana.
Q6. How you will produce disease free seed of potato in your fields?

SECTION-C
Q7. a) Write the important symptoms, causal agent, disease cycle, favorable factors and
management of apple scab.
b) What measures should be adopted in controlling viral diseases of vegetable crops?
Q8. Write down the diseases of cucurbits, their symptoms, causal organisms and integrated
management practices to control these diseases.
Q9. Describe symptoms, etiology, favourable factors, survival and integrated management
practices to control late blight of potato.




NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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