FORESTRY
GENERAL FORESTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is a significant problem in nurseries that grow coniferous seedlings?
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damping off
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needle cast
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pitch canker
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slime flux
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Explanation:
Detailed explanation-1: -Damping off: Among the nursery diseases, damping-off is the most prevalent and highly destructive disease and cause heavy loss of seedlings. It is referred to a group of disease namely preemergence and post-emergence damping off depending on the stage of growth of seedlings when they are attacked.
Detailed explanation-2: -Damping-off is caused by a number of seed-and soil-borne fungi and funguslike oomycetes, including Rhizoctonia solani, Aphanomyces cochlioides, and species of Pythium, Phytophthora, Botrytis, Fusarium, Cylindrocladium, Diplodia, Phoma, and Alternaria.
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