ABS 360: home citrus

Citrus trees are normally grafted or budded with a edible citrus scion grafted or budded onto a rootstock such as sour orange.

true

The bark on trunks and branches of newly planted of young citrus trees needs to be protected from sunburn.

true

The fruits of some citrus can be ready to harvest even if the rind is green.

true

Match the variety name in the first column with the appropriate type of citrus in the second column.

'Robertson'--Navel orange 'Valencia'--Sweets orange 'Sunburst'--Lemon 'Algerian'--Mandarin 'Ruby Red'--Grapefruit

Kumquat is the most ___________________ type of citrus for Arizona.

cold hardy

Citron and kumquat fruits are grown for their sweet and juicy inner portion of the fruit.

false

Mature citrus trees grow most of their fruit towards the top of the tree.

false

You should ALWAYS pick mandarin and tangerine fruits from the tree by hand. Using hand clippers can damage the fruit.

false

A tangelo is a hybrid cross between a ________________ and a _________________.

grapefruit, mandarin

Complete the following sentence: The most probable cause of fruit splitting of citrus is _____________________________________________.

inconsistent watering and fertilization practices

Complete the following sentence: Grapefruit grow well in our area because _________________________________________________.

our hot summer temperatures help the fruits develop the best flavor.

The best way to fertilize citrus trees is:

three applications of a complete fertilizer with micronutrients in January/February, April/May and August/September.

Citrus leaves with pale yellow leaves and darker green veins suffer from a iron and/or zinc nutrient deficiency.

true