32 results about "Root effect" patented technology

The invention relates to a natural high polymer polysaccharide insecticidal composition, which belongs to a highly-efficient, non-toxic, residual-free and pollution-free environmentally-friendly plant-source insecticidal composition special for the prevention and control of harmful insects and diseases of crops. The composition contains konjac glucomannan, cactus juice and alkyl polyglycosides, can control a plurality of diseases and the breeding of the harmful insects after being applied to the leaves of crop plants, suffocate a plurality of harmful insects or non-anaerobic germs due to anoxia and stick the limbs and wings of the plurality of harmful insects to make the harmful insects inconvenient to move and kill the harmful insects, is extremely easy to degrade, broad in insecticidal spectrum and low in cost, and can achieve a rooting effect particularly in the prevention and control of mite insects. Due to the adoption of a physical mechanism of body contact killing, the resistance of prevented and controlled objects to pesticides is difficult to produce. The composition also can be used as one of a plurality of environmentally-friendly pesticide synergist agents, does not produce chemical injuries to the crops, and can promote the theoretical growth of the crops, improve the quality, increase the yield and achieve remarkable effects.

The invention belongs to the technical field of agricultural microbiology, and discloses a special composite microbial fertilizer with the functions of strengthening seedlings and promoting roots for tobaccos. The special composite microbial fertilizer is prepared through adding, by dry weight, 1-4% of Bacillus thuringiensis bacterial solution and 1-4% of Paecilomyces lilacinus(Thorn.)Samson bacterial powder in a common tobacco seedling-raising substrate, wherein the abovementioned '%' represents the millilitre of the bacterial solution or the gram of the bacterial powder added per 100g of the common tobacco seedling-raising substrate, by dry weight. According to the special composite microbial fertilizer disclosed by the invention, specific tobacco rhizosphere functional bacteria are selected with regard to the tobaccos, and added into the common tobacco seedling-raising substrate in an activity-keeping manner, thus the raised seedlings can be strengthened, the root development can be promoted, high-quality seedlings with lots of active functional microbes in rhizospheres can be raised, the growth of the raised seedlings during a post-cultivation process can be promoted, the yield of the tobaccos can be increased and the quality of the tobaccos can be improved.

The invention discloses a tissue culture and rapid propagation method of millettiadielsiana harms. The method comprises the following steps: selecting and treating of an explant, primary culture, differential culture, multiplication culture and rooting culture, thus forming a complete set of millettiadielsiana harms tissue culture and rapid propagation technology. The tissue culture and rapid propagation method has the characteristics of being short in culture period, high in multiplication coefficient, fast in multiplication speed, good in rooting effect, maintaining the excellent hereditary character of mother plant and the like, the factorized rapid seedling of the millettiadielsiana harms can be achieved, the multiplication coefficient can achieve 15.0-18.0, and compared with the tissue culture and rapid propagation of sterile seedlings obtained by taking seed sprouts, single buds and stems with buds as materials, the tissue culture and rapid propagation method is good in multiplication effect, high in multiplication efficiency, the stages of sprouting and growing of seeds into sterile seedlings in the culture media can be reduced, so that the culture period is shortened, thus providing a tissue culture and rapid propagation production technology for the medicinal and appreciable dual-use excellent material.

The invention relates to the field of agricultural technology, and discloses a coffee cutting seedling culture method. The method comprises the following steps of: selecting a robusta coffee straight branch and cutting to obtain a cutting shoot; soaking the cutting shoot in 200mg / L IBA or 200-300mg / L NAA for 0.5-1.5h; inserting the treated cutting shoot into a cutting matrix for primary seedling culture; and then transferring to nutrient soil for later-stage seedling culture to obtain a coffee cutting seedling, wherein the nutrient soil is a matrix obtained by adding calcium superphosphate and surface soil into the excrement of animals for thorough decomposition. The traditional treatment method of a plant growth regulator is changed according to the robusta coffee growth characteristics, and reasonable nutrient soil is added to perform later-stage seedling culture; and the invention provides a systematic and comprehensive robusta coffee cutting seedling culture method which overcomes the shortcomings that the existing method is non-comprehensive and the rooting effect is bad, and is of far-reaching significance for increasing the output of the robusta coffee.