Significant Figures -why we use them -rules for sig. figs. -operations with sig. figs.
Figs - counties.agrilife.orgcounties.agrilife.org/leon/files/2020/04/Figs.pdf · Figs –Freeze...
Transcript of Figs - counties.agrilife.orgcounties.agrilife.org/leon/files/2020/04/Figs.pdf · Figs –Freeze...
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Figs
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Figs
• One of the most problem-free fruits that can be grown in areas with mild winter
• Believed to be native to western Asia
• Brought to California from Spain in the mid 1700s
• The “fruit” are formed without fertilization (parthenocarpic)
• “Fruit” is actually fleshy stem tissue with no seeds
• Gelatin-like interior is actually unfertilized flower structures
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Figs - Climate
• Generally limited to areas where temperatures do not drop below 5 degrees F
• Because of wide swings in winter temperatures, figs commonly suffer mild to severe winter injury in all but the warmest parts of Texas
• Plant in well-drained soil
• They can suffer extensive root damage from root knot nematodes in sandy soils
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Figs - Varieties
• Three standard varieties are reliable choices for home or limited commercial production:
Alma Celeste Texas Everbearing
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Figs - Varieties
• Varieties with an open eye may be susceptible to feeding by the dried fruit beetle or souring when rain enters the interior of the fruit
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Figs - Propagation
• One of the easiest fruit crops to propagate
• Hardwood cuttings taken when plants are fully dormant will readily root
• Cuttings should be 6 to 10 inches long and about ½ to 1 inch in diameter
• To encourage callus formation, place cuttings in warm, humid environments such as in a moist paper towel placed in a plastic bag for 10 to 14 days
• Plant cuttings in a pot to encourage root and shoot formation
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Figs – Site Selection
• Plant in full sun
• It is common to see figs planted on the south or east side of a home or barn to protect from cold winter weather and to make sure that morning sun help the fruit and foliage dry quickly after an evening rain
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Figs – Planting and Care
• Plant cuttings in late winter/early spring
• Because trees can reach heights of 20 feet, plant them no closer than 16 feet apart
• Do not fertilize after planting
• Cut back the dormant trunk by about a third at planting to help compensate for root loss
• Mulch after planting
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Figs – Pruning and Training
• Commonly grown as multi-trunked plants
• Once shoots are 2 feet high, select 5 or 6 strong shoots and prune the rest out
• To reduce the shock of leaf area loss, consider reducing the number of new shoots over a 2- to 3-week period
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Figs – Freeze Protection
• To minimize freeze injury during dry falls and winters, thoroughly water the fig trees a few day before a hard freeze
• Figs can usually tolerate sustained temperatures to 17 degrees F
• Can mound spoiled hay 2 to 3 feet above the ground line for insulation
• Remove hay and use as mulch after risk of spring frost has past
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Figs – Diseases
• Greatest disease threat is fig rust
• More severe in rainy areas and seasons
• Infected leaves turn brown and develop orange fruiting structures on the lower part of the leaf
• To control the disease, rake and destroy the infected leaves
• Fig Mosaic Virus can also be a problem
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Figs – Insects and Other Pests
• Only insect pest that typically affects quality of ripening figs is the dried fruit beetle
• Root-knot nematodes cause roots to swell or gall
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Figs – Harvest
• Figs bear their first crop in late spring
• Many varieties produce a larger crop in late summer through fall
• When frozen to the ground, the fall crop may be smaller, delayed, or in some varieties, absent