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48 Cards in this Set

  • Front
  • Back
In 2014, San Joaquin Valley Acala cotton was planted on less than 50,000 acres.

True

The current price of Acala saw ginned cotton is 30 cents above the December 2014 futures price.

True

In 1955 California state legislature established a one-variety district composed of the eight counties in the San Joaquin valley.

False it is 1925

California legislation enacted a law in the early 1990's to permit the commercial production of Pima Cotton

True

March 20th is the first legal planting date for Pima and Acala cottons in the SJV.

False, March 10th



The current high price for Acala is based on the shortage of Acala acrege planted in 2014.

False

"Nodes above white flower" is a monitoring method used to determine defoliation scheduling.

False, it is Pix

Rhizoctonia and Thielaviopsis are serious early season disease problems in CA cotton.

False, these are seedling diseases

Lygus is a mid-season pest causing serious square damage and loss to both Pima and Acala cotton.

True

The transgenic trait most important for CA cotton growers is herbicide tolerance.

True

"nodes above cracked boll" is a monitoring technique used to determine physiological cut-out.

False, Defoliation

US produces an average of 690,000 bales of pima with CA producing 95% of the US pima crop.

True



The progression of cotton flower petals changing colors from "white or yellow" to "red or purple" normally takes 9 days.

False, it takes 3 days

Sticky cotton can be caused by only aphids.

False, also white flies

Monthly evapotranspiration for irrigated cotton is less in May and June than in July and August.

True

Of the cotton varieties grown in the SJV only Acalas have any resistance to Fusarium (IV).

False

Excessive vegetative growth is caused by an early boll load.

False, too much water and nitrogen causes this

Cotton lint yields and fiber quality can be affected by potassium deficiency.

True

Pima cotton has higher staple lengths but has lower strength values.

False

Roller gins are capable of ginning Pima and Acala cottons.

True

Planting depth of more than 2 inches enhances exposure to seedling disease pathogens and weakens seedlings as they struggle to reach the soil surface.

True

The base temp. for calculating cotton degree days(Heat Units) is 50 degrees F

False, it is 60 degrees F

A mote is an undeveloped ovule that remains as a contaminant in a cotton boll.

True

Cotton yield potential typically decreases with planting dates after May 15th.

True

Skillful management, using high yielding varieties, growth regulators, and good pest control with optimal growing weather can reduce the effects of late planting on final yield.

True

Botanically the cotton plant is an annual shrub that has to be replanted each year.

False, it is a perennial

The mandatory 60-day host free period is used to prevent Pink Bollworm establishment.

False, 90 days

The scientific name for pima cotton types is Gossypium hirsutum

False

The height to node ratio is a plant vigor index used to determine the need to apply harvest aids.

False, Pix

Ginning at very low fiber moisture will cause more fiber breakage, reducing HVI uniformity and length values.

True

Fiber from bale grades of 21-2-38 is priced higher than bale grades of 31-3-36

True

Monsanto's Roundup Flex (RF) gene is available only in Acala varieties.

False

Cotton fibers reach their final length in developing bolls between _____ days after flowering.

16-20, ideally 18

The first flowering branch of Acala cottons typically occurs on which main stem node?

6-7th node

"cut-out" as measured by NAWF is caused by..

physiological stress from developing bolls

Systemic herbicide that controls annual broadleaf and grass weeds in cotton.

Roundup

Which transgenic cotton trait has eliminated the most pesticide applications on cotton grown around the world.

Insect resistance (Bt)

Cotton planted in 30" rows with 4 plants per foot give approximately how many plants per acre?

70000

When cotton prices moves up 1000 points, the price has increased by;

10 cents

The average number of Heat Units from planting to emergence:

50-60

A staple length of 38 is equivalent to an HVI fiber length in inches of:

1.18-1.19 inch

Optimum moisture level for storing cotton long-term in modules is___.

<10%

____ is serious vascular disease threatening SJV cotton.

Fusarium(IV)

SJV County that planted the most acres of cotton in 2014...

Kings

Which of the following are defoliant harvest-aids?

Ginstar and Def

Ideal planting conditions based on the 5-day planting forecast for cotton is expected under the following forecast of____ heat units:

>20

How many square feet are in an acre?

43560

The majority of CA's cotton goes to mills located in:

Pacific Rim Countries