Phosphite: a novel P fertilizer for weed management and pathogen control

被引:90
作者
Achary, V. Mohan M. [1 ]
Ram, Babu [1 ,3 ]
Manna, Mrinalini [1 ]
Datta, Dipanwita [1 ]
Bhatt, Arun [3 ]
Reddy, Malireddy K. [1 ]
Agrawal, Pawan K. [2 ]
机构
[1] Int Ctr Genet Engn & Biotechnol, Crop Improvement Grp, New Delhi, India
[2] Indian Council Agr Res, Natl Agr Sci Fund, New Delhi, India
[3] Govind Ballabh Pant Engn Coll, Dept Biotechnol, Pauri Garhwal, Uttarakhand, India
关键词
pathogen management; phosphate fertilizer; phosphite dehydrogenase; phosphorus use efficiency; stimulant; weedicide; PSEUDOMONAS-STUTZERI; PHOSPHORUS-ACID; GLYPHOSATE RESISTANCE; POTASSIUM PHOSPHONATE; STARVATION RESPONSES; FOLIAR APPLICATIONS; PHYTOPHTHORA ROOT; DOWNY MILDEW; IN-VITRO; GROWTH;
D O I
10.1111/pbi.12803
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The availability of orthophosphate (Pi) is a key determinant of crop productivity because its accessibility to plants is poor due to its conversion to unavailable forms. Weed's competition for this essential macronutrient further reduces its bio-availability. To compensate for the low Pi use efficiency and address the weed hazard, excess Pi fertilizers and herbicides are routinely applied, resulting in increased production costs, soil degradation and eutrophication. These outcomes necessitate the identification of a suitable alternate technology that can address the problems associated with the overuse of Pi-based fertilizers and herbicides in agriculture. The present review focuses on phosphite (Phi) as a novel molecule for its utility as a fertilizer, herbicide, biostimulant and biocide in modern agriculture. The use of Phi-based fertilization will help to reduce the consumption of Pi fertilizers and facilitate weed and pathogen control using the same molecule, thereby providing significant advantages over current orthophosphate-based fertilization.
引用
收藏
页码:1493 / 1508
页数:16
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