The phrase "apparently sufficiently" is correct and usable in written English.
It can be used to indicate that something seems to be adequate or enough based on available evidence or observation.
Example: "The results of the experiment were apparently sufficiently conclusive to warrant further investigation."
Alternatives: "seemingly adequate" or "apparently enough".
After a couple of sessions, the producer was apparently sufficiently impressed to comment: "You are the moan of the suffering woman, the groan of the dying man.
Ḥusayn, however, apparently sufficiently convinced of British support, announced the launch of his Arab revolt against the Ottomans in June 1916.
Some of its users were apparently "sufficiently spooked by Symantec's unilateral action" after those warnings that they followed its advice to remove Kazaa.
The effects of changes at the border were apparently sufficiently strong for San Diego to declare a state of economic emergency.
That was apparently sufficiently off message for Moe Lane to suspend my posting privileges on the RedState Blog.
The devices in these products are new, exciting, and apparently, sufficiently reliable that one of the best-selling gun magazines can tout them to readers.
I was, apparently, not sufficiently professional.
And just as she endured merciless criticism and abuse from social media bullies over her hair four years ago, Douglas again became the focus of collective scrutiny over her appearance, still apparently not sufficiently coiffed for the Twitter hordes.
The Economist's visit was approved before the monks protested on March 10th and 11th, but the authorities apparently felt sufficiently in control to allow the trip to go ahead as planned from March 12th.
And let's not forget Planned Parenthood, which apparently is sufficiently ubiquitous as to allow 4.7 million predominantly low-income women (79% with incomes below 150% of federal poverty level) to obtain services each year, many free or at reduced cost.
The difference between the immediately down-regulated level of CAX1 in Col-0 and the absence of CAX1 in the cax1-1 knockout mutant is apparently not sufficiently large at 180 min. after initiation of treatment to reveal many of the downstream molecular processes eventually leading to enhanced growth performance and reduced leaf Mg content of cax1-1 compared to Col-0 after several weeks of growth.
