You are here

leaf tip

Catalogue: GRDC Updates
BYDV has a wide host range which includes all the winter cereals (wheat, barley, oats, durum and triticale) and over 150 grass species... BYDV is generally spread to cereal crops in autumn and early winter by aphid flights from infected grasses which transmit the virus when they feed... BYDV affects the vascular system of infected plants restricting water and nutrient movement up the stem...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Blue oat mite - the presence of the small red area on the back distinguishes it from the redlegged earth mite... Adults and nymphs have a purplish-blue, rounded body with red legs... Adults and nymphs pierce and suck on leaves resulting in silvering of the leaf tips in cereals...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Blue oat mite - the presence of the small red area on the back distinguishes it from the redlegged earth mite... Adults and nymphs have a purplish-blue, rounded body with red legs... Adults and nymphs pierce and suck on leaves resulting in silvering of the leaf tips in cereals...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Blue oat mite - the presence of the small red area on the back distinguishes it from the redlegged earth mite... Adults and nymphs have a purplish-blue, rounded body with red legs... Adults and nymphs pierce and suck on leaves resulting in silvering of the leaf tips in cereals...
Related categories:
Catalogue: GRDC Publications
Old leaves develop elongated grey to dark brown spots on or near the edges of the leaf, usually half way along the leaf quickly spreading towards the tip and base... Description Old leaves turn pale green and bronze-yellow areas develop in the mid-section of the leaf between the edge and mid-vein; these areas quickly extend towards the leaf tip until the top two-thirds of the leaf is bronze-yellow (orange-red in some varieties)... Old leaves become dull green and bronze-orange areas develop between the edge and mid-vein at the base of the leaf...
Related categories:
Catalogue: GRDC Publications
Leaf damage can be caused by a range of diseases, herbicides and a number of nutrient and environmental stresses... The Grains Research and Development Corporation does not guarantee or warrant the accuracy, reliability, completeness or currency of the information in this publication nor its usefulness in achieving any purpose... The Grains Research and Development Corporation will not be liable for any loss, damage, cost or expense incurred or arising by reason of any person using or relying on the information in this publication...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
" Print the page leafhopper damage, showing yellowing and tip burn in lucerne leafhopper damage, showing yellowing and tip burn in lucerne.. Lucerne leafhopper does not cause stippling, but symptoms include yellowing from the leaf tip and heavy populations can result in leaf yellowing with burnt leaf tips, plant stunting and even death... Leafhoppers suck sap and inject toxins that cause hopper burn, a yellowing and then a burning or browning (necrosis) of the leaf tips...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
" Print the page leafhopper damage, showing yellowing and tip burn in lucerne leafhopper damage, showing yellowing and tip burn in lucerne.. Lucerne leafhopper does not cause stippling, but symptoms include yellowing from the leaf tip and heavy populations can result in leaf yellowing with burnt leaf tips, plant stunting and even death... Leafhoppers suck sap and inject toxins that cause hopper burn, a yellowing and then a burning or browning (necrosis) of the leaf tips...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
" Print the page leafhopper damage, showing yellowing and tip burn in lucerne leafhopper damage, showing yellowing and tip burn in lucerne.. Lucerne leafhopper does not cause stippling, but symptoms include yellowing from the leaf tip and heavy populations can result in leaf yellowing with burnt leaf tips, plant stunting and even death... Leafhoppers suck sap and inject toxins that cause hopper burn, a yellowing and then a burning or browning (necrosis) of the leaf tips...
Related categories:
Catalogue: GRDC Media
Resource to help growers manage yellow spot.. Help is available for Western Australian wheat growers looking to reduce the risk of yield losses caused by yellow spot, which is currently affecting some of the State's crops... "Fungicides can provide up to three weeks of protection against yellow spot but the economics of fungicide control will depend on the timing of disease development and if moist conditions persist in spring," he said...
Related categories: