By Elroy L. Rice (Auth.)
An intensive revision and replace of the 1st variation, this moment version is designed to create an understanding of the speedily constructing box of allelopathy. the writer appraises present wisdom in definite serious components, reminiscent of roles of allelopathy within the prevention of seed decay and within the nitrogen cycle, the chemical nature of allelopathic compounds, elements affecting concentrations of allelochemics in crops, stream of allelochemics from crops and absorption and translocation by way of different crops, mechanisms of motion of allelopathic brokers, and elements deciding on effectiveness of allelopathic compounds after egression from generating organisms. components within which extra simple and utilized learn is required are emphasised. A dialogue of terminology and early heritage of allelopathy is by way of a dialogue of the real roles of allelopathy in forestry, agriculture, plant pathology, and typical ecosystems. A separate directory of the phyla of vegetation tested to have allelopathic species can also be included.
Allelopathy, moment Edition, is a complete evaluation of the literature on allelopathy, integrating details on allelopathy with very important details on ecological and agronomic difficulties, bringing up greater than one thousand references. between those that will locate this to be a important resource of knowledge are ecologists, horticulturists, botanists, plant pathologists, phytochemists, agricultural scientists, and plant breeders
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Extra info for Allelopathy
Ellis and McCalla (1973) reported that the P. urticae population comprises 90% of the total fungal population in the soil where stubble-mulch wheat farming occurs. They pointed out that the toxic effects of patulin had been demonstrated on young seedlings, germinating seeds, isolated plant tissues, and plants that had continuous applications of patulin until maturity. However, the effect of a single I I . A l l e l o p a t h i c Effects of C r o p Plants o n O t h e r C r o p Plants 47 application on wheat plants subsequently grown to maturity had not been tested.
Thus, the evidence is substantial that the stimulating effect of corn cockle on wheat yield in mixed stands is an allelopathic effect. The amount of agrostemmin necessary to increase wheat yield is phenomenally small. Altiera and Doll (1978) investigated the effects of decomposing residues of Amaranthus duhius, Eleusine indica, Leptochloa filiformis, and Tagetes patula on seed germination of corn (maize), beans, sorghum, and several weedy spe- I. Effects of W e e d I n t e r f e r e n c e o n C r o p Y i e l d s 31 cies.
Seedling growth of all species, except S. pyramidatus, I. Effects of W e e d I n t e r f e r e n c e o n C r o p Y i e l d s 39 was inhibited by the soil collected under Polygonum in March. These results indicated that soil phytotoxicity was closely associated with prostrate knotweed. Experiments were conducted to determine the source of toxins in the soil under P. aviculare. Artificial rain was allowed to fall on fresh mature plants of P. aviculare. The leachate, which dripped from the leaves, was collected and used to water the same five test species that were growing in greenhouse potting soil.
Allelopathy by Elroy L. Rice (Auth.)