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Catalogue: Ground Cover
"In preliminary glasshouse and field trials, we have found that acacias inoculated with beneficial strains of a nitrogenfixing bacteria called Bradyrhizobium survive better and grow faster than un-inoculated acacias," Dr Thrall says... Of particular interest is the extent to which re-introduction of beneficial organisms helps plants to withstand environmental stresses like soil salinity and competition with exotic weeds... Keep browsing 0 Responses to Looking underground for revegetation solutions: re-introduction of beneficial organisms helps plants to withstand environmental stresses like soil salinity and competition with exotic weeds by Sophie Clayton..
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Catalogue: GRDC Final Reports
It was proposed that DRB be isolated and evaluated against ARG. Successful organisms were then to be applied in high numbers and assessed in field situations... Until the mode of action of these bacteria is clearly defined and/or a rapid isolation and assessment protocol (perhaps with the aid of gene technology) identified, this project needs to be shelved... It was proposed that DRB be isolated and evaluated for annual ryegrass - with the aim of inhibiting seed set and subsequent annual ryegrass toxicity reduction...
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Catalogue: GRDC Media
The Grains Research and Development Corporation has developed a new fact sheet to help growers identify, manage and prepare for Barley Yellow Dwarf Virus (BYDV), a disease which can affect all cereal crops... Research scientist Trent Potter says that growers should be proactive and develop a Barley Yellow Dwarf Virus management plan which includes crop monitoring, green bridge management, pre-sowing seed treatment and foliar pesticide sprays... Mr Potter says BYDV is transmitted from plant to plant by aphids, which spread easily throughout regions, specifically when they take flight in autumn, coinciding with critical crop development, and again in spring...
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Catalogue: Broadacre Field Crops DAFF QLD
" Print the page sitona weevil, Sitona discoideus, scalloped leaf damage Scalloped leaf damage... Larvae feed within or on the root nodules and can cause more serious damage than adults by reducing nitrogen fixation and retarding plant growth... Larvae feed through the winter and early spring to pupate in the soil and emerge as adults in late spring/early summer...
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Catalogue: Broadacre Field Crops DAFF QLD
" Print the page sitona weevil, Sitona discoideus, scalloped leaf damage Scalloped leaf damage... Larvae feed within or on the root nodules and can cause more serious damage than adults by reducing nitrogen fixation and retarding plant growth... Larvae feed through the winter and early spring to pupate in the soil and emerge as adults in late spring/early summer...
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Catalogue: Broadacre Field Crops DAFF QLD
" Print the page sitona weevil, Sitona discoideus, scalloped leaf damage Scalloped leaf damage... Larvae feed within or on the root nodules and can cause more serious damage than adults by reducing nitrogen fixation and retarding plant growth... Larvae feed through the winter and early spring to pupate in the soil and emerge as adults in late spring/early summer...
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Catalogue: GRDC Updates (North)
We have applied late nitrogen over the past two seasons to a portion of our wheat crop to successfully grow and deliver Prime Hard (PH) wheat... My plan is for this paddock to receive top-dress nitrogen in late September or early October for PH 13% to 14% protein, only, if the profile is full and budgets indicate it is worth the risk... Goulburn has hard seed levels of 30% measured at the end of April...
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Catalogue: GRDC Updates (South)
We have applied late nitrogen over the past two seasons to a portion of our wheat crop to successfully grow and deliver Prime Hard (PH) wheat... My plan is for this paddock to receive top-dress nitrogen in late September or early October for PH 13% to 14% protein, only, if the profile is full and budgets indicate it is worth the risk... Goulburn has hard seed levels of 30% measured at the end of April...
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Catalogue: GRDC Media
SARDI's Dr Margaret Evans says yield loss from eyespot comes as a result of the lesions forming on the base of the stem and lodging... Growers in high and medium rainfall zones across the Southern Region are being asked to keep a look out for eyespot in cereal crops this season after the disease made a surprise appearance in a number of wheat crops in 2015... Yield losses from eyespot are most obvious when caused by lodging, which is when plants infected by the fungus fall over in different directions and form a tangled mess on the ground, making harvesting difficult...
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Catalogue: GRDC Media
SARDI's Dr Margaret Evans says yield loss from eyespot comes as a result of the lesions forming on the base of the stem and lodging... Growers in high and medium rainfall zones across the Southern Region are being asked to keep a look out for eyespot in cereal crops this season after the disease made a surprise appearance in a number of wheat crops in 2015... Yield losses from eyespot are most obvious when caused by lodging, which is when plants infected by the fungus fall over in different directions and form a tangled mess on the ground, making harvesting difficult...
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