Saflufenacil is a ureamidine protoporphyrin oxidase (PPO) inhibitor developed by BASF and classified in Group 14 by the International Herbicide Resistance Action Committee (HRAC). Protoporphyrin prooxidase (PPO) is a membrane protein that plays a key role in the synthesis of chlorophyll in plants. The mechanism of action of PPO inhibitors is to simulate the properties of protoporphyrinogen IX, occupy the binding site of PPO, and inhibit the activity of PPO enzymes, because protoporphyrinogen IX cannot be converted into protoporphyrin IX, resulting in excessive accumulation of protoporphyrin IX, *** protoporphyrin IX flows into the cytoplasm and is converted into photosensitive protoporphyrin X in the cytoplasm, resulting in the rapid loss of cell membrane permeability and function, chloroplast pigment whitening, rapid dehydration and wilting of leaves, resulting in the death of weed plants.
Benpyrisulfachlor has a wide range of crop applicability and excellent broadleaf weed killing spectrum, and has huge market potential for weeding in no-tillage, non-cultivated land, orchards, beans, and wheat crops, and can be used in more than 30 crops such as soybeans, corn, grains, sugarcane, fruits and vegetables, rice, cotton, sorghum, etc., and controls more than 90 kinds of broad-leaved weeds. Benzosulfachlor is mainly absorbed through roots and seedlings, has foliar killing and soil residual activity, and can be bidirectionally conducted in plants. It can be conducted both from the xylem and down from the phloem, so that it is distributed throughout the plant.
The characteristics of benzosulfachlor are obvious:
The first is "fast", after comparing the weeding speed of paraquat, glyphosate and glufosinate, it was found that the weeding speed of benzosulfachlor was second only to paraquat.
The second is "high", benzosulfachlor activity is very high, with a very small dose can achieve excellent weeding effect, only 1g can remove weeds in 1 acre of land, as "more than 20 years of successful development of new herbicides", representing a new level of broad-leaved weed control.
The third is "increase", the uniqueness of phenylpyrisulfonchlor is that it has an "additive effect" when mixed with glyphosate, which can not only promote the absorption and conduction of glyphosate by weeds, but also begin to die after 1 to 3 days of drug use, usually reducing the amount of glyphosate by 30~50%, and can also prevent and control a variety of dicotyledonous weeds that are resistant or even resistant to glyphosate, triazines, sulfonylureas (ALS inhibitors) herbicides, and its soil residual activity can extend the validity period to 60 days.
Fourth, "resistance", under the conditions of temperature 5 °C, 6 °C and 8 °C, phenylpyrisulflor is still effective against difficult weeds such as small flying grass, thistle, wild chrysanthemum, acid film, etc., which is very suitable for use in low temperature or mountainous areas in winter and spring, and can well grasp the important spring market of biocidal herbicides.
Fifth, "sealing", benzosulfachlor has a certain soil sealing activity, high safety for broad-leaved crops with large seeds such as soybeans, peanuts and cotton, mainly used for stubble removal before sowing, and has a good sealing effect on small-seeded broadgrass germinating in the later stubble field while killing grass.
Sixth, "selection", benzosulfachlor only has an inhibitory effect on grass crops, if grass crops such as rice, wheat, corn and other sensitive periods such as seedling stage are avoided, phenylpyrisulfachlor can be used before and after seedlings.
Seventh, "withering", benzosulfonchlor and paraquat and dicao fast also have the effect of inducing drying, and its unit dosage is lower, as its cost performance gradually becomes prominent, the growth potential in the withering market will not be underestimated.
Product Introduction
Chinese generic name: benzopyrisulfachlor
International common name: Saflufenacil
CAS accession number: 372137-35-4
Molecular formula: C17H17ClF4N4O5S
Chemical Name: 2-Chloro-4-fluoro-5-[3-methyl-2,6-dioxiisoline-4-(trifluoromethyl)pyrimidine-1-yl]-N-[methyl(propyl-2-yl)sulfonylsulfonyl]benzamide
Relative molecular weight: 500.054443