2024 Effects of maize stalk borer

Effects of maize stalk borer

Author: hyit

August undefined, 2024

WebBusseola fusca is a species of moth that is also known as the maize stalk borer. [1] [2] It is known from Ethiopia . The wingspan is 35–40 mm. Adults are pale brown. The caterpillars are light or dark violet to pinkish white and about 1 to 2 ½ cm. The caterpillars feed in the leaf hearts (leaf funnels) at the vegetative crop stage. WebThe amount and purity of juice that can be extracted from cane is reduced when borers are present, and sucrose yield may be decreased 10 to 20%. Lastly, when seed cane is attacked, the tunneling by borers makes the seed piece susceptible to fungal infection. Other crops are rarely at risk.

Genetic Factors Involved in Fumonisin Accumulation in Maize …

WebMaize infested by the borer is twisted and stunted, and the stalk at the surface of the ground may be enlarged. The leaves are ragged, broken, and dangling. They have many holes caused by larval feeding when the leaf was still in the whorl stage. WebAnother benefit of Bt maize is reduced occurrence of ear molds (Figure 1b). Because insect damage provides a site for infection by molds, Bt-protected maize can have lower levels … peak performance roofing reviews

MON 95379 Bt maize as a new tool to manage sugarcane borer …

WebYellow stemborer damage can lead to about 20% yield loss in early planted rice crops, and 80% in late-planted crops. White stemborer is an important pest in rainfed wetland rice. It can cause outbreaks and destroy rice … WebDamage: The maize stalk borers normally damages the young leaves first then the stems. The worms make some channels that weaken the stem till it breaks. The damage of the borers depends on the level of soil fertility; … WebFeb 1, 2024 · In this paper, we analyze the effect of the Maize Stalk Borer (MSB) Busseola fusca on maize crops and the efficiency of residue management over several cropping … peak performance ruby lj

The effect of Bt maize on Sesamia calamistis in South Africa

4.4.1 Spotted stemborer, Chilo partellus (Swinhoe 1885)

WebNov 13, 2008 · Lepidopteran stem borers are the main pests of cereals in Ethiopia. In recent years, habitat management techniques, which aim at increasing plant biodiversity through mixed cropping, have gained increased attention in stem borer control. In the present study, the profitability of mixed cropping of maize with haricot beans at different … WebJan 1, 2013 · The choice of botanical plant to use against stem borers in maize-based cropping is largely governed by the availability and ease of agronomic manipulation by target users. The results of this ... lighting oil furnaceWebJun 12, 2015 · The maize stem borers, Busseola fusca and Chilo partellus cause qualitative and quantitative losses on green mealies as they attack maize from the seedling up to harvesting. peak performance roofing

"WebContamination of maize with fumonisins depends on the environmental conditions; the maize resistance to contamination and the interaction between both factors. Although the effect of environmental factors is a determinant for establishing the risk of kernel contamination in a region, there is sufficient genetic variability among maize to develop … " - Effects of maize stalk borer

Effects of maize stalk borer

WebMar 25, 2015 · All the chemical treatments significantly reduced stemborer infestation and damage levels compared with untreated plots. Furadan and Cymbush significantly lowered infestation and larval damage. There were significant differences in days to heading, maturity, plant height and yield. WebSymptoms in maize plant include dead heart, plant death, dieback, internal feeding and presence of frass in the stems. Older caterpillars tunnel in stems, and eat out long frass-filled galleries, which weaken stems and …

Did you know?

WebMar 16, 2024 · Further, the S. inferens damage resulted in significant increase in total proteins, total sugars, catalase, phenyl ammonia lyase, tyrosine ammonia lyase, total antioxidants, total phenol, tannins... Webphysiological effects such as impotence (Juma, 2003; Keech, 2010). Both proponents and opponents have been effective in their communications and outreach ... tant maize to reduce losses due to stem borers. Using . both conventional and biotechnology breeding techni-ques, the project combined the best available science to

WebAug 15, 2024 · The productivity of maize in Ethiopia has remained lower than the world average because of several biotic and abiotic factors. Stemborers and poor soil fertility …

WebDestruction of stubbles Larvae of Stem borer may remain inside the stubbles of the paddy plant. So after harvesting, the stubbles of the paddy plant should be uprooted and burnt. Thus the percentage of damage in the next crop may be reduced. Light trapping The stem borer moths are attracted to light during night. WebThe stalk borer overwinters in the egg stage. Eggs begin hatching in late April and early May and the tiny borers immediately burrow into grasses or other weeds. When these grasses die, or the borers become too big, …

WebJul 14, 2024 · Reported maize yield losses are attributed to infestations by stem borers, which can damage more than half of the total production as a result of leaf feeding, stem …

WebMaize stalkborers are serious insect pests in Kenya. Every year they destroy a great deal of the maize crop. Plants that are 3 to 5 weeks old are at risk of attack by the stalkborer … lighting olcWebSep 1, 2001 · Stemborer damage greatly reduced maize yield, with tunnel lengths greater than 20 cm causing a 40 % reduction of potential yield. A 33 % yield loss was found in plants with more than one stemborer exit hole. Each stemborer (at harvest time) was correlated… View on Springer tspace.library.utoronto.ca Save to Library Create Alert Cite 52 Citations peak performance roofing massachusettsWebMar 23, 2024 · Young affected plants have holes and ‘windows’ in the leaves. Small dark caterpillars can be seen at the base of the leaf. In severe attacks, the central leaves die. … lighting oldham gorse millWebEarly maturing; drought tolerant; striga tolerant; quality protein maize (QPM); open pollinated variety (OPV) (2) Obatanpa: 1992: Intermediate maturing; quality protein maize; tolerance to pests and diseases (blight, rust, streak, and stem borer); OPV (3) Ahomatea (local variety) Unknown: Late maturing; OPV lighting old gas ovenWebDec 15, 2006 · Transgenic maize (Zea mays L), developed using modified genes from the bacterium Bacillus thuringiensis (Bt), controls stem borers without observable negative effects to humans, livestock or the ... lighting olympiaWebOn average the temperature is 20°C, ranging between 12°C and 26°C, with annual precipitation of approximately 1,250 mm. There are two rainy seasons; the long rains from March-May and the short rains from October-December. Agriculture is the main economic activity in Mwea, where over 70% of people are small-scale farmers. lighting oklahoma cityWebMar 9, 2007 · Stem borers are the most important maize pests in the humid forest zone of Cameroon. Field trials were conducted in the long and short rainy seasons of 2002 and 2003 to assess the level of damage and yield reductions caused by stem borers in monocropped maize and in maize intercropped with non-host plants such as cassava, cowpea and … lighting oldbury