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Cotton Judging Practice Set
Terms in this set (71)
T/F Sandy soils have a higher water holding capacity than clay soils.
T/F Excess nitrogen in a cotton crop will result in a delay of crop maturity.
T/F Most cottonseed in the San Joaquin Valley is now used to obtain oil for human consumption.
T/F The initials HVI stand for a new cotton variety.
T/F Staple is a measure of fiber thickness.
T/F Cotton flowers are normally pink in color the first day they open.
T/F In cotton marketing, 100 points = one (1) cent.
T/F Chemically cotton lint is cellulose.
T/F In 1990, cotton farmers for the first time in almost 80 years could grow Pima cotton in the San Joaquin Valley.
T/F Cotton with a color grade of 31 is normally worth more per pound than cotton with a grade of 51.
T/F Pima cotton is a wild type of cotton that is more of a weed than an economic crop.
T/F Sandy soils normally require more frequent irrigation than clay soils.
T/F Over half of the 2016 San Joaquin Valley cotton acreage was planted to Pima cotton.
T/F California cotton acreage has increased since 2005.
T/F In 1991, California legislation enacted a law to permit the commercial production of Pima cotton.
T/F The fiber length of Acala lint is longer than Pima lint.
T/F March 10th is the first legal planting date for Pima and Acala cottons in the San Joaquin Valley.
T/F Seasonal water requirement for Pima and Acala cotton is 30 - 38 inches of applied water.
T/F "Nodes above white flower" is a method used to determine physiological cut-out.
T/F Rhizoctonia and Theilaviopsis are serious early season disease problems in California cotton.
T/F Lygus is a mid-season pest causing serious fruit loss to both Pima and Acala cottons.
T/F The transgenic trait most important for California cotton growers is insect tolerance.
T/F A management technique used for scheduling application of harvest aids is "nodes above cracked boll".
T/F Contract prices for both Acala and Pima cottons reached a historical high in October 2010.
T/F California cotton is harvested with stripper type harvesters.
T/F Sticky cotton can be caused by aphids but not by whiteflies.
T/F Monthly water use (cotton ET) for irrigated cotton is higher in July and August than June and September.
T/F The average price for SJV Acala cotton is higher than SJV Pima cotton.
T/F The immature fruiting structure of a cotton plant is referred to as a square.
T/F Cotton fiber quality can be affected by potassium deficiency.
T/F Roller gins are capable of ginning both Pima and Acala cottons.
T/F Acala cottons will have more lint present on the seed after ginning than Pima cotton seeds.
T/F The base temperature for calculating cotton degree days (Heat Units) is 70 degrees F.
T/F A mote is an undeveloped ovule that remains as a contaminant in a cotton boll.
T/F Cotton yield potential typically decreases with planting dates after May 1st.
T/F Good boll retention contributes to manageable plant heights and high yields.
T/F The mandatory 90 day host free period is used to prevent Pink BollWorm establishment.
T/F The scientific name for Pima cotton types is Gossypium barbadense.
T/F The height to node ratio is a plant vigor index used to determine the need to apply mepiquate chloride (Pix)
T/F The module builder has increased harvest efficiency and reduced field weathering.
T/F Gossypium hirsutum is the scientific name of Upland cottons.
T/F Reduced tillage practices are used more to reduce fuel costs than improve yields.
Cotton fiber length is developed in the first _____ days after flowering.
The first flowering branch typically occurs on which main stem node in Acala?
A natural alkaloid, found in cotton that is toxic to non-ruminant animals is _____.
Preplant incorporated herbicide that controls many annual grass weeds in cotton is:
A crop that attracts lygus and serves as a trap crop to reduce their migration into cotton is:
Cotton planted in 40" rows with 4 plants per foot gives approximately how many plants per acre?
A standard high density bale of U.S. Pima cotton weighs _____ pounds.
The required number of heat units from planting until seedling emergence is _____.
Which of the listed conditions promotes effective defoliation?
All of the above:
low petiole nitrogen levels
low soil moisture
uniform mature plants
day temperature > 80 degrees F
Which plant part is used to analyze for the nitrogen status of the cotton plant?
Optimum moisture level for storing cotton long-term in modules is _____.
_____ is a new and serious vascular disease threatening SJV cotton.
Chemical typically applied to help control plant height.
Which of the following are defoliant harvest-aids?
Def and Ginstar
Yarn strength can be affected by _____.
All of the above:
Rd and +b, are used to determine what fiber quality?
HVI refers to:
automated fiber classing
Ideal planting conditions based on the 5-day planting forecast for cotton is expected under the following forecast of _____ heat units:
greater than 20
The majority of California's cotton goes to mills located in:
Pacific Rim Countries
Which of the following are defoliant harvest aids?
Def and Ginstar
Ideal planting conditions based on the five day planting forecast for cotton is expected under the following forecast of ____ heating units.
15-20 heating unit
The required number of heat units from planting until seedling emergence is ____.
60 heat units
Pima cotton usually has ____ ovals per lock.
Of the squares produced early in the fruiting period, ____ are eventually shed.
Cotton fiber length is developed in the first___ days after flowering.
_______ has been found in increasing levels in all six SJV cotton-producing countries.
Fusarium Race 4
A symptom of heat stress in well-watered cotton during July or August is?
All of the Above:
excessive vegetative growth
A unit of storage of lint for shipment is the _____.
Cotton lint grades are established by:
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