Page 33 - XiteBio Product Guide
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                XiteBio® Yield+ PGPR

                                  About Bacillus

XiteBio® Yield+ is a revolutionary early post-emergent, naturally occurring biological based on a
proprietary PGPR. The active ingredient of XiteBio Yield+ is a unique strain XSB375 of Bacillus firmus, a
competent and vigorous colonizer of plant roots. As an efficient root colonizer this bacterial strain utilizes
rhizospheric spaces competitively for nutrients and other resources compared to the other soil
microorganisms. In addition, these bacteria have the unique capability of stress tolerance to cope with
unfavourable conditions during plant growth.

Bacillus firmus XSB375 also has the ability to solubilise immobile phosphates in the soil to HPO42– or
H2PO4-playing a major role in the transformation of nutrients. This conversion allows the phosphorous to
become more available to the growing crop, improving the health, vigour and yield of the crop.

Because these bacteria have the unique capability of stress tolerance to cope with unfavourable
conditions in the tank-mix, this allows these bacteria to survive more easily and for a longer period of
time while still retaining all their plant growth promoting characteristics and abilities while they reach the
soil and the crop’s root zone. This also allows them to survive unfavourable conditions, such as dry spells,
in the plant root zone and quickly resume promoting plant growth and maximizing yield with better
conditions.
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