1.

G. State whether the following statements aretrue or false. If false, rewrite the correctform of statements.1. Grape plants are grown by fragmentation.2. Spores are thin-walled asexual bodies formedduring favourable condition.Flowers are reproductive parts of a plant.Butterflies help in cross-pollination.After pollination ovary develops into a seed.Insect pollinated flowers are brightly coloured.​

Answer»

Answer:

DISEASE: Downy mildew

PATHOGEN: Plasmopara viticola

HOSTS: All CULTIVARS of grapes in the species VITIS vinifera and many Vitis intraspecific hybrid cultivars. Susceptibility within the North American species Vitis labrusca, varies from highly susceptible to resistant.

Authors

Gavin Ash

Charles Sturt University,

Wagga Wagga, NEW South Wales, AUSTRALIA

A typical method of growing grapevines on a TRELLIS system.



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