It finds that heat stress concurrent with drought or water excess can explain about 40 % of the changes in
wheat yields from one year to another.
Not exact matches
The wild relatives of commercial varieties, ranging
from tomatoes to
wheat, have provided genes worth billions of dollars in higher crop
yields.
Is it
from the way we've gotten higher
wheat crop
yields through the magic of modern chemestry?
BABYSTEP 7: BAKING INGREDIENTS OVERVIEW All About Honey Let's Talk About Powdered Milk Holiday Baking and FOOD STORAGE Let's Talk About Powdered Eggs Handout: Substitutions, Measurements, and
Yields Egg White Powder Food Storage Substitutions All About Powdered Sour Cream All About Yeast and Vital
Wheat Gluten All About Powdered Butter All About Freeze - Dried Cheese How To Make Ricotta Cheese
From Powdered Milk
Tartlet Crusts: this recipe, made with whole
wheat flour,
yielded beautiful, sturdy 4 inch tartlet crusts that held up even when removed
from the tart pans and slid off the removable bottoms.
Almond meal — Also called just «ground almonds,» the meal ground
from whole almonds is versatile and
yields a great texture, though heavier than
wheat - based flour.
Then there was exciting news
from India's poorest state, Bihar (pop 100 million, and 50 % of families in poverty), where the application of what's called the System of Rice / Root Intensification (SRI) has «dramatically increased
yields with
wheat, potatoes, sugar cane, yams, tomatoes, garlic, aubergine and many other crops», according to the Guardian newspaper.
Brent Rageth
from Rageth Farm in Byron, Wyoming has worked with Wyoming Whiskey
from the start to select strains of non-GMO corn,
wheat, barley, and winter rye for specific starch and sugar
yields, the building blocks of bourbon making.
* Spring
wheat yield seen at 45.5 bu / acre, up 8 pct vs 2011 * Tour pegs durum
yield at 42.6 bu / acre, up 34 pct vs 2011 * Three - day tour concludes Thursday in Fargo, North Dakota (New throughout; changes dateline
from previous BOTTINEAU, North Dakota) By Julie Ingwersen DEVILS LAKE, North Dakota, July 25 (Reuters)- Favorable growing conditions should result in above - average
yields for the U.S. spring and durum
wheat crops in northwest...
The two DSSAT crop modules were evaluated using measured data on soil water and crop
yield from four treatments: irrigated cotton without a cover crop, irrigated cotton with winter
wheat as a cover crop, dryland cotton without a cover crop, and dryland cotton with a winter
wheat cover crop at the Texas A&M AgriLife Research Station at Chillicothe
from 2011 to 2015.
In fact, genes first identified in Arabidopsis have already offered lessons on how to ripen tomatoes, protect
wheat from disease and increase rape seed oil (canola)
yields, among other things.
Two of the most efficient were Rubisco
from plants known as Aegilops cylindrica (jointed goatgrass) and Hordeum vulgare (barley), which both showed promising Rubisco catalytic properties that should be explored in the context of improving photosynthesis, and ultimately grain
yield, in
wheat.
It also implies that the apparent loss of genetic diversity following the introduction of high -
yielding Green Revolution
wheat and rice varieties in the 1960s and 1970s, and attending the rapid adoption of superior GM crops today, is far
from a new phenomenon.
A new paper
from scientists at the John Innes Centre in Norwich explains why plant breeders have found it difficult to produce
wheat varieties which combine high
yield and good resistance to Septoria, a disease in
wheat which can cut
yield losses by up to 50 %.
Fusarium Head Blight (FHB) is a fungal disease that affects worldwide
wheat production due to dramatic
yield loss, and reduced grain quality
from toxins that make harvests unsuitable for consumption.
Their results showed that
from 1985 through 2011,
wheat breeding programs boosted average
wheat yields by 13 bushels per acre, or 0.51 bushel each year, for a total increase of 26 percent.
In addition,
wheat yield declines due to climate change are likely to be larger than previously thought and should be expected earlier, starting even with small increases in temperature,» points out Prof. Dr. Reimund Rötter
from Natural Resources Institute Finland.
Recent research
from Aarhus University demonstrates that the fungi can improve growth and
yield in some
wheat varieties under drought stress.
He and his colleagues spent the next decade crossing thousands of strains of
wheat from across the globe, ultimately developing a high -
yielding, disease resistant variety.
«I am eager to join and devote myself to improving
wheat yields by fighting
wheat rusts,» said Liu, who received her bachelors in biotechnology
from Nanjing Agricultural University, China, in 2011, and a doctorate
from Washington State University in 2016.
As part of varied approaches at the International Maize and
Wheat Improvement Center (CIMMYT) to unleash the power of wheat biodiversity, researchers from India and Mexico have been mobilizing native diversity from ancestral versions of wheat and related grasses to heighten the crop's resilience to dryness and heat — conditions that have held back wheat yields for several decades and will worsen as earth's climate cha
Wheat Improvement Center (CIMMYT) to unleash the power of
wheat biodiversity, researchers from India and Mexico have been mobilizing native diversity from ancestral versions of wheat and related grasses to heighten the crop's resilience to dryness and heat — conditions that have held back wheat yields for several decades and will worsen as earth's climate cha
wheat biodiversity, researchers
from India and Mexico have been mobilizing native diversity
from ancestral versions of
wheat and related grasses to heighten the crop's resilience to dryness and heat — conditions that have held back wheat yields for several decades and will worsen as earth's climate cha
wheat and related grasses to heighten the crop's resilience to dryness and heat — conditions that have held back
wheat yields for several decades and will worsen as earth's climate cha
wheat yields for several decades and will worsen as earth's climate changes.
Technology such as high -
yielding wheat varieties that tolerate drought and high temperatures, as well as resisting new or modified strains of deadly crop diseases spawned in rapidly warming environments, are the outputs from WHEAT research that lead to positive outcomes for farmers and consu
wheat varieties that tolerate drought and high temperatures, as well as resisting new or modified strains of deadly crop diseases spawned in rapidly warming environments, are the outputs
from WHEAT research that lead to positive outcomes for farmers and consu
WHEAT research that lead to positive outcomes for farmers and consumers.
At a recent meeting, 30 scientists
from the International Maize and
Wheat Improvement Center (CIMMYT) and Rothamsted Research, a UK - based independent science institute, agreed to pool expertise in research to develop higher - yielding, more disease resistant and nutritious wheat varieties for use in more productive, climate - resilient farming sys
Wheat Improvement Center (CIMMYT) and Rothamsted Research, a UK - based independent science institute, agreed to pool expertise in research to develop higher -
yielding, more disease resistant and nutritious
wheat varieties for use in more productive, climate - resilient farming sys
wheat varieties for use in more productive, climate - resilient farming systems.
Wheat lines derived
from those crosses have since been used in breeding programs worldwide and have helped farmers to boost
yields by up to 20 percent.
The disease can cut
wheat yields 80 percent and could spread to southern Asia and southern Africa
from spots where it has been found in Africa and the Middle East.
Check out the CO2 fertilisation effect, which is already far greater than any climate change effect on agriculture: 15 - 40 % increases in
wheat yields are likely
from CO2 doubling.
Effects of Atmospheric CO2 Concentration on
Wheat Yield: Review of Results
from Experiment using Various Approaches to Control CO2 Concentration.
Observational data, evidence
from field experiments, and quantitative modeling are the evidence base of the negative effects of extreme weather events on crop
yield: early spring heat waves followed by normal frost events have been shown to decimate Midwest fruit crops; heat waves during flowering, pollination, and grain filling have been shown to significantly reduce corn and
wheat yields; more variable and intense spring rainfall has delayed spring planting in some years and can be expected to increase erosion and runoff; and floods have led to crop losses.4, 5,6,7
«Without successful adaptation, and given the persistent rise in demand for maize and
wheat, the sizable
yield setback
from climate change is likely incurring large economic and health costs,» the report states.
Feeling the heat: the
yield from wheat harvests in India is falling Image: Yann via Wikimedia Commons
The images were taken at weekly intervals,
from 2002 to 2007, of the
wheat - growing seasons to measure the «vegetation greenness» − an indicator of crop
yield.
Combined
yield increases of
wheat by 2050 could range
from 37 % under the B2 scenario to 101 % under the A1 scenario (Ewert et al., 2005).
Among the economic costs climate change is expected to enact on the United States over the next 25 years are: $ 35 million in annual property losses
from hurricanes and other coastal storms, $ 12 billion a year as a result of heat wave - driven demand for electricity, and tens of billions of dollars
from the corn and
wheat industry due to a 14 percent drop in crop
yields.
Whilst
wheat and maize show bigger «missed
yield increases»
from rising temperatures, soya beans and rice show no effect yet on their
yields.
It predicts increases of 30 to 60 percent in the
yields of soybeans, cotton,
wheat and other crops — ignoring projections to the contrary
from plant and agricultural scientists
-- > «The three Iranian researchers report that when the effects of elevated atmospheric CO2 were considered, all regions experienced an increase in
wheat yield, which «ranged
from 5 % to 38 % across all times, scenarios and regions.»
One key to the threefold expansion in the world grain harvest since 1950 was the rapid adoption in some developing countries of high -
yielding wheats and rices (originally developed in Japan) and hybrid corn (
from the United States).
For example, Monsanto is working on a drought - tolerant corn that would help provide
yield stability in Africa, where it's a huge part of the local diet; corn and
wheat account for about 40 percent of the world's food and 25 percent of calories consumed in developing countries, and millions of people get more than half of their daily calories
from corn and
wheat alone, according to the United Nations» Food and Agriculture Organization.
These are incorporated based upon prior work using (1) the surface ozone response to methane emissions changes
from two global composition - climate models, (2) the impact of ozone on
yields of four staple crops,
wheat, maize, soy and rice, based on the methodology of Van Dingenen et al. (2009), and (3) their valuation using world market prices, as described in Shindell et al. (2012a).
Norman Borlaug won the 1970 Nobel Peace Prize for his work in genetically modifying
wheat to create a high -
yielding disease resistant strain; his creation is credited with saving over a billion people in the developing world
from starving to death.