Tri­als show Sea­sol as­sists frost re­sis­tance

North East & Goulburn Murray Farmer - - Frost Control -

HOW do the team at Sea­sol In­ter­na­tional know that its prod­ucts can help im­prove plant re­sis­tance to frost?

Sea­sol In­ter­na­tional agron­o­mist Peter Brown said it is due to the early lab­o­ra­tory work un­der­taken by the Univer­sity of Tas­ma­nia which demon­strated that Sea­sol im­proved frost re­sis­tance by in­creas­ing the con­cen­tra­tion of the sap in­side plant cells, which in turn low­ers the tem­per­a­ture at which they freeze.

“Due to the highly vari­able and un­pre­dictable na­ture of frosts, re­sults from field re­search are very hard to ob­tain,” Mr Brown said.

“How­ever, early lab­o­ra­tory work showed that Sea­sol was ef­fec­tive for in­creas­ing frost re­sis­tance.

“While not a ‘cure all’ for com­plete frost pro­tec­tion, Sea­sol is a fast-act­ing way to in­crease plant re­sis­tance to frost, but it still needs a cer­tain amount of time to build this ef­fect.”

He added that the dam­age caused by a frost de­pends on more than just the min­i­mum tem­per­a­ture, but that is the rea­son the ex­perts talk about frost re­sis­tance.

“In­creased cell-sap con­cen­tra­tion helps the plant to bet­ter re­sist the stress that ac­com­pa­nies ex­po­sure to low tem­per­a­tures,” Mr Brown said.

“But the most im­por­tant ad­vice is don’t wait.

“Start ap­pli­ca­tions as early in the sea­son as pos­si­ble or what is even bet­ter would be at post-har­vest the sea­son be­fore.”

Ac­cord­ing to Mr Brown the best strat­egy is to use ap­pli­ca­tion tim­ings and rates that are fo­cused on achiev­ing this ben­e­fit – soil ap­pli­ca­tion prior to bud­burst and a fo­liar spray as soon as there is suf­fi­cient leaf area avail­able.

For more in­for­ma­tion con­tact Sea­sol In­ter­na­tional on 1800 335 508.

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