Crown gall symptoms are present in ______________.

Peas, apple and sugarcane

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Pear, grapes and sugarcane

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Apple, grapes and sugarcane

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Pear, apple and grapes

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Solution

The correct option is D Pear, apple and grapes
The correct answer is D.
Galls form on roots and stems, especially at the root collar, or root crown. Aerial galls are common on such highly susceptible plants as poplar, rose, willow, and euonymus. Young plants with numerous galls tend to be stunted and predisposed to drought damage or winter injury. Floral display or fruit production may be suppressed. Some of the common hosts include apple, blackberry, cherry, euonymus, forsythia, grapes, peach, pear, plum, poplar, raspberry, rhododendron, rose, and willow.

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