QUESTIONS

QUESTIONS

Q.No 1 Tick the correct Answer
1. Phytophthora foot rot of pepper was first reported the year.
A) 1905, b)1805, c)1902, d) 1904
2. Phytophthora foot rot of pepper is also called as
a) Early wilt b) Quick wilt c) Die back d) Late wilt
3. Optimum temperature for Phytophthora foot rot infection is
a) 12-150C b) 16-180C, c) 23-29oC, d)20-22oC
4. Vertical and lateral spread of ………………foot rot occur due to
a) Surface irrigation b) Drip irrigation c) Flood irrigation d) Rain splashes.
5. Cv Kallu vally is to tolerant to
a) Slow decline b) Phytophthora foot rot c) Anthracnose d) Stunted diseases
6. Slow decline is caused by
a) Fungi+ Bacteria b) Bacteria + virus c) none of these d. Phytoplasma
7. Root knot nematode can be suppressed by application of
a) Trichoderma spp. b) Bacillus spp. c) Coniothyrium minitans d) Glomus mosseae
8. Anthracnose of peeper is also known as
a) Pollu b) Frog eye c) Bird’s eye d) Kallu.
9. Collateral host of Anthracnose pathogen is
a) Dioscorea allata, b) Dioscorea triphylla c) Albugo candida d) Dioscorea capsulla
10. Occurrence of little leaf of pepper was first reported from
a) India , b) Pakistan, c) Sri Lanka, d)Bangladesh
11. Mosaic of pepper in transmitted by ……………
a) Aphid b) White fly c) Leaf hopper d) Jassid
12. Stunted diseases of pepper is transmitted by
a) Aphid b) White fly c) Mealy bug d) Jassid.
13. The viruses associated with stunted diseases is
a) TMV b) CMV c) TOSPO d) YYMV
14. Stunted diseases was first recorded in the year
a) 1950, b) 1975, c) 1985, d) 1965
15. Phyllody of peeper is caused by
a) MLO b) RLO c) Spiroplasma d) Virus

Answer: 1.c, 2 b , 3 c, 4d, 5b, 6c, 7d, 8a, 9b, 10c, 11a 12c 13b 14b 15a

Q2. Fill in the blanks
1. Phytophthora foot rot was first noticed in …….. from …………….district of Kerala.
2. Vertical and lateral spread of the Phytophthora foot rot of pepper occur due to ………………..
3. Different species of pepper like…………………..,………….. have been found resistant to Phytophthora foot rot pathogen
4. Soil application of bio agents like …………………and…………. has been found effective in the management of Phytophthora foot rot.
5. Piper colubrinum is resistant to both ………. and ……………..
6. Application of ……………reduce Meloidogyne incognita population under field conditions.
7. Mycorrhizal fungi ………………….,……………….,…………… of root knot suppression.
8. Collateral hosts of Anthracnose pathogen is ……………….
9. Anthracnose severity can be reduced by application of ………..during ………………,…………. and ……………
10. Stunted disease is caused by a strain of …………. and strain of ……………………

Answer. 1.1902, Wynad 2. Rain splashes 3. Piper colubrinum, P. arboretum, P. sarmentosum , 4. Trichoderma harzianum , T. virens 5. Root Knot and burrowing nematodes 6. Neem cake 7. Glomus mosseae, G. fasciculatum, Gigaspora margarita, Acaulospora laevis ,8. Dioscorea triphylla 9. Bordeaux mixture , June July, Late July Late August,10. Cucumber Mosaic virus, badana virus

Subjective questions
Q. 2. Give control measures for the below mentioned diseases:
a. Phytophthora foot rot of pepper
b. Slow decline
c. Anthracnose
Q. 3. Describe the phytoplasma diseases affecting pepper in detail.
Q. 4. Write down the symptoms and transmission and management practices of viral diseases affecting pepper.
Q.5. Write down the symptoms and perpetuation of the following diseases
a. Phytophthora foot rot of pepper
b. Slow decline
c. Anthracnose
Last modified: Wednesday, 7 December 2011, 7:50 AM