626.pdf
... Timing, intensity, and frequency of defoliation affect the competitive interactions between invasive species and perennial grasses and, thus, influence the ability of perennial grass to persist and dominate plant communities (Maschinski and Whitman 1989; Briske 1991). On seasonally grazed rangeland, ...
... Timing, intensity, and frequency of defoliation affect the competitive interactions between invasive species and perennial grasses and, thus, influence the ability of perennial grass to persist and dominate plant communities (Maschinski and Whitman 1989; Briske 1991). On seasonally grazed rangeland, ...
Latitude, seed predation and seed mass
... The relationship between latitude and seed predation Both the generality of the above mechanism, and the wide range of taxa displaying latitudinal gradients in predation or herbivory, suggest that levels of seed predation might be higher towards the tropics. However, the only paper we are aware of t ...
... The relationship between latitude and seed predation Both the generality of the above mechanism, and the wide range of taxa displaying latitudinal gradients in predation or herbivory, suggest that levels of seed predation might be higher towards the tropics. However, the only paper we are aware of t ...
Utilizing and conserving agrobiodiversity in agricultural landscape
... Figure 1.The control model versus adaptation model, adapted after Napel et al. (2006) Besides increasing soil fertility and improving crop management to enhance disease suppression, also the choice of varieties can contribute to achieving yield stability. Many authors have discussed important crop t ...
... Figure 1.The control model versus adaptation model, adapted after Napel et al. (2006) Besides increasing soil fertility and improving crop management to enhance disease suppression, also the choice of varieties can contribute to achieving yield stability. Many authors have discussed important crop t ...
Potential for Entomopathogenic Nematodes in Biological Control:
... EPN manipulated at one or more application levels, with an appropriate control lacking EPN addition; (ii) experiments performed in the field or in large mesocosms (e.g., glasshouse)—laboratory microcosm experiments were excluded; (iii) EPN applied only to soil environments (i.e., experimental foliar ...
... EPN manipulated at one or more application levels, with an appropriate control lacking EPN addition; (ii) experiments performed in the field or in large mesocosms (e.g., glasshouse)—laboratory microcosm experiments were excluded; (iii) EPN applied only to soil environments (i.e., experimental foliar ...
managing pulses to minimize frost damage
... A mix of two varieties of differing height, maturity and erectness might assist in reducing frost damage in pulses. Sowing in wider rows enables frost to get to ground level, and the inter-row soil is more exposed. The open canopy does not trap cold air. Wide rows require the soil to be moist to tra ...
... A mix of two varieties of differing height, maturity and erectness might assist in reducing frost damage in pulses. Sowing in wider rows enables frost to get to ground level, and the inter-row soil is more exposed. The open canopy does not trap cold air. Wide rows require the soil to be moist to tra ...
2016 CURRENT ISSUE Invasive Species: A
... Equipment may be inspected before entering a site to be sure it is clean and ready for use. Truck powerwash stations may be used to clean equipment; provide addresses or locations of the facilities in your area. • Be sure to require only weed-free soil, mulch, gravel and other materials used in the ...
... Equipment may be inspected before entering a site to be sure it is clean and ready for use. Truck powerwash stations may be used to clean equipment; provide addresses or locations of the facilities in your area. • Be sure to require only weed-free soil, mulch, gravel and other materials used in the ...
Balancing multiple mutualists: asymmetric interactions among plants
... back to the dry root mass yielding final dry root biomass. The root:shoot ratio was calculated. Vegetative tillers were counted on each plant as an additional measure of fitness. Once it has become established, like many perennial grasses (Snaydon 1978, Eriksson 1992), tall fescue spreads largely th ...
... back to the dry root mass yielding final dry root biomass. The root:shoot ratio was calculated. Vegetative tillers were counted on each plant as an additional measure of fitness. Once it has become established, like many perennial grasses (Snaydon 1978, Eriksson 1992), tall fescue spreads largely th ...
Ostoja, SM, EW Schupp, S. Durham, and R. Klinger. 2013. Seed
... and R.S. Nowak. 2011. Effects of resource availability and propagule supply on native species recruitment in sagebrush ecosystems invaded by Bromus tectorum. Biological Invasions 13: 513526. Schupp, E.W., P. Jordano and J.M. Gómez. 2010. Tansley Review: Seed dispersal effectiveness revisited: a conc ...
... and R.S. Nowak. 2011. Effects of resource availability and propagule supply on native species recruitment in sagebrush ecosystems invaded by Bromus tectorum. Biological Invasions 13: 513526. Schupp, E.W., P. Jordano and J.M. Gómez. 2010. Tansley Review: Seed dispersal effectiveness revisited: a conc ...
Integrated Pest Management by Dale Bottrell
... chemical pesticides have been the foundation of agricultural, public health, and residential pest control for several decades. He expressed concern that of the approximately 1,400 chemicals used in pesticide products, some pose’ an unacceptable risk to human health and the environment. The President ...
... chemical pesticides have been the foundation of agricultural, public health, and residential pest control for several decades. He expressed concern that of the approximately 1,400 chemicals used in pesticide products, some pose’ an unacceptable risk to human health and the environment. The President ...
the PDF document (part 2)
... . Species that disperse seeds in summer include willows, trembling aspen, and balsam poplar. The dispersal period for these species is usually not more than month. . Fall and winter seed dispersal occurs in most western conifers, as well as birch, alders, and some willows (McCaughey et al. ; ...
... . Species that disperse seeds in summer include willows, trembling aspen, and balsam poplar. The dispersal period for these species is usually not more than month. . Fall and winter seed dispersal occurs in most western conifers, as well as birch, alders, and some willows (McCaughey et al. ; ...
The History and Use of Kudzu in the Southeastern United States
... Some Alabama farmers still harvest kudzu from fields managed for this purpose by annual or biennial harvesting. It is most frequently used in this manner during dry periods, since its deep root system allows it to obtain moisture for growth when other forage species cannot. All types of grazing anim ...
... Some Alabama farmers still harvest kudzu from fields managed for this purpose by annual or biennial harvesting. It is most frequently used in this manner during dry periods, since its deep root system allows it to obtain moisture for growth when other forage species cannot. All types of grazing anim ...
1 Turlock Mosquito Abatement District CEQA PRELIMINARY
... span of one or two years. Vector control staff involved with performing surveillance duties are aware of the consequences of their actions in the field. Staff are instructed to be respectful of the environment and associated wildlife and are to proceed with an attitude to limit their impact to only ...
... span of one or two years. Vector control staff involved with performing surveillance duties are aware of the consequences of their actions in the field. Staff are instructed to be respectful of the environment and associated wildlife and are to proceed with an attitude to limit their impact to only ...
Native Bunchgrass and Invasive Weed Establishment in Low
... play in regulating and facilitating plant growth and plant-plant interactions, be it at the individual, population, or community level. Some aspects of this role can be generalized, while others appear to vary based on individual circumstances, results of mechanisms we do not yet fully grasp. Much o ...
... play in regulating and facilitating plant growth and plant-plant interactions, be it at the individual, population, or community level. Some aspects of this role can be generalized, while others appear to vary based on individual circumstances, results of mechanisms we do not yet fully grasp. Much o ...
Proceedings of the Managing Sharp Rush (Juncus acutus)
... Victoria and South Australia, particularly on low fertility disturbed areas such as mine dumps, coastal flats and other moist low-lying sites, especially if saline.” But, with reference to WA, this section concludes with the following statement. “Spiny Rush also occurs in Western Australia but is no ...
... Victoria and South Australia, particularly on low fertility disturbed areas such as mine dumps, coastal flats and other moist low-lying sites, especially if saline.” But, with reference to WA, this section concludes with the following statement. “Spiny Rush also occurs in Western Australia but is no ...
plant endophyte in food chain – friend or foe?
... have attracted increasing attention since observations of toxicosis on livestock grazing fungal-infected tall fescue [Schedonorus phoenix (Scop.) Holub.] pastures in USA and New Zealand in the mid-20th century and the majority of research on grass endophytes has focused on endophyte-mediated resista ...
... have attracted increasing attention since observations of toxicosis on livestock grazing fungal-infected tall fescue [Schedonorus phoenix (Scop.) Holub.] pastures in USA and New Zealand in the mid-20th century and the majority of research on grass endophytes has focused on endophyte-mediated resista ...
Rainforest Regrowth Benefits
... Tracey 1994). This variation in structure influences the carbon storage potential of rainforest. Within the category ‘wet rainforest’, there are many different types of rainforest, reflecting the influence of temperature, moisture, soil fertility and drainage (Webb 1968; Webb and Tracey 1981). ‘Dry ...
... Tracey 1994). This variation in structure influences the carbon storage potential of rainforest. Within the category ‘wet rainforest’, there are many different types of rainforest, reflecting the influence of temperature, moisture, soil fertility and drainage (Webb 1968; Webb and Tracey 1981). ‘Dry ...
Using Grass Carp in Aquaculture and Private Impoundments
... decrease with age. The most preferred plants are succulent and low-fiber. As carp grow, more plant species and less succulent ones are added to the diet. Table 2 illustrates preference rates based on research carried out in tank studies of mostly juvenile grass carp. It should be emphasized that eve ...
... decrease with age. The most preferred plants are succulent and low-fiber. As carp grow, more plant species and less succulent ones are added to the diet. Table 2 illustrates preference rates based on research carried out in tank studies of mostly juvenile grass carp. It should be emphasized that eve ...
usinggrasscarp3600
... decrease with age. The most preferred plants are succulent and low-fiber. As carp grow, more plant species and less succulent ones are added to the diet. Table 2 illustrates preference rates based on research carried out in tank studies of mostly juvenile grass carp. It should be emphasized that eve ...
... decrease with age. The most preferred plants are succulent and low-fiber. As carp grow, more plant species and less succulent ones are added to the diet. Table 2 illustrates preference rates based on research carried out in tank studies of mostly juvenile grass carp. It should be emphasized that eve ...
Prairie Primer - The Learning Store
... 1. Prairie plants put two-thirds of their few form hard seed covers to protect growth underground. Long roots seeds until conditions are proper for reach deep into the soil for moisture; germination. food reserves are protected from 5. Pollination takes advantage of the above-ground extremes (see fi ...
... 1. Prairie plants put two-thirds of their few form hard seed covers to protect growth underground. Long roots seeds until conditions are proper for reach deep into the soil for moisture; germination. food reserves are protected from 5. Pollination takes advantage of the above-ground extremes (see fi ...
A Beginner’s Guide to Water Management—Aquatic Plants in Florida Lakes Florida LAKEWATCH 1
... harder to solve. When nothing is done to manage them or their management is delayed, the abundance of aquatic plants in Florida’s waters can reach truly problematic levels. Ignored for long enough, small problems tend to become noticeable—and at that point they are frequently declared emergencies. ...
... harder to solve. When nothing is done to manage them or their management is delayed, the abundance of aquatic plants in Florida’s waters can reach truly problematic levels. Ignored for long enough, small problems tend to become noticeable—and at that point they are frequently declared emergencies. ...
A Beginner`s Guide to Water Management—Aquatic Plants in
... harder to solve. When nothing is done to manage them or their management is delayed, the abundance of aquatic plants in Florida’s waters can reach truly problematic levels. Ignored for long enough, small problems tend to become noticeable—and at that point they are frequently declared emergencies. ...
... harder to solve. When nothing is done to manage them or their management is delayed, the abundance of aquatic plants in Florida’s waters can reach truly problematic levels. Ignored for long enough, small problems tend to become noticeable—and at that point they are frequently declared emergencies. ...
Methods for Sod-Seeding of Small
... crops being grown on poor soils. Traditionally, forage crops are planted on less productive land than are small grain and cash crops. Poor management practices such as poor fertility and weed control, ineffective irrigation and poor harvest management also contribute to low yields. Where productive ...
... crops being grown on poor soils. Traditionally, forage crops are planted on less productive land than are small grain and cash crops. Poor management practices such as poor fertility and weed control, ineffective irrigation and poor harvest management also contribute to low yields. Where productive ...
TB970 Forest Herbicide Effects on Pacific Northwest
... The use of silvicultural herbicides to control competing vegetation has evolved over the past 75 years and has become an integral component of today’s forestry management practices. Although the direct effects of herbicides on non-target biota are generally well understood and documented, comparativ ...
... The use of silvicultural herbicides to control competing vegetation has evolved over the past 75 years and has become an integral component of today’s forestry management practices. Although the direct effects of herbicides on non-target biota are generally well understood and documented, comparativ ...
mesquite seeds, bruchid beetles, and
... population parameters of these host and parasitoid populations and concluded that the major factor responsible for these different responses was the different functional responses of the two parasitoids (Kistler 1979, 1985). Coevolution of enemies with their prey has been conceptually well developed ...
... population parameters of these host and parasitoid populations and concluded that the major factor responsible for these different responses was the different functional responses of the two parasitoids (Kistler 1979, 1985). Coevolution of enemies with their prey has been conceptually well developed ...
Japanese Honeysuckle: From "One of the best" to
... character and potential problems of this plant before using it. Planted in the right situation it does no harm, but very few situations are right. Under most conditions, honeysuckle will have a damaging and ...
... character and potential problems of this plant before using it. Planted in the right situation it does no harm, but very few situations are right. Under most conditions, honeysuckle will have a damaging and ...